Illya Starikov
Tea Brewing Guide
If you are cold, tea will warm you; if you are too heated, it will cool you; if you are depressed, it will cheer you; if you are excited, it will calm you.

For over 5,000 years, tea has shaped civilizations, sparked wars, and remains the world's second most consumed beverage after water. Yet most of us are brewing it wrong. The difference between a transcendent cup and a bitter disappointment often comes down to just 10 degrees of temperature or 30 seconds of steeping time. From the delicate sweetness of white tea that once graced Chinese emperors' lips to the robust black teas that fueled the British Empire, each variety demands precise treatment to unlock its hidden complexity.
This guide distills centuries of tea mastery into exact temperatures, steeping times, and techniques for all six major tea types plus popular herbal infusions. Whether you're seeking the meditative ritual of gongfu brewing or simply want your morning cup to taste extraordinary, these time-tested methods will transform dried leaves into liquid poetry—because life is too short for badly brewed tea.
White Tea
- Water Temperature 175-185°F (79-85°C), up to 212°F for aged varieties
- Time 1-5 minutes (Western) or 30-60 seconds (gongfu)
- Re-steeps 3-10 times
- Caffeine Content 15-37 mg per 8oz cup
- Pairs With honey, rose petals, light fruits
- Holds For 15-20 minutes at serving temperature (140-150°F)
Silver Needle (Bai Hao Yin Zhen)
- Temperature 175-185°F
- Time 45-60 seconds
White Peony (Bai Mudan)
- Temperature 175-185°F
- Time 4-5 minutes
Instructions. Start with one teaspoon (2-3g) per 6-8 ounces of filtered water. For Western brewing, steep 1-5 minutes, tasting after one minute and checking every 30 seconds. Gongfu style uses 30-60 second infusions, increasing by 5-15 seconds with each steep. Skip the rinse for fresh white teas, but aged varieties benefit from a quick 5-10 second wash to remove storage flavors. The minimal processing preserves extraordinary antioxidant levels and creates characteristic subtle, sweet flavors.
Context. White tea represents the least processed of all true teas, undergoing only withering and drying without rolling or firing. This gentle treatment preserves the highest levels of antioxidants among all tea types. Silver Needle (Bai Hao Yin Zhen), made purely from unopened buds, commands premium prices and contains surprisingly high caffeine due to its bud-only composition. White Peony (Bai Mudan) balances buds and leaves for a fuller body and more moderate caffeine profile.
History. White tea production began during China's Song Dynasty (960-1279), though the modern style emerged in Fujian Province during the 1700s. Originally reserved for Chinese royalty, white tea gained its name from the silvery-white hairs covering the unopened buds. The Communist Revolution nearly destroyed white tea production as farmers focused on more profitable crops, but renewed interest in the 1980s sparked a revival.
Trivia. Some aged white teas from the 1960s now sell for over $1,000 per pound. The antioxidant content in white tea can be 3x higher than green tea. Moonlight White from Yunnan Province gets picked at night to preserve volatile aromatics. White tea can actually be re-steeped more times than most green teas despite its delicate nature.
Yellow Tea
- Water Temperature 167-176°F (75-80°C)
- Time 2-5 minutes
- Re-steeps 3-5 times
- Caffeine Content 50-63 mg per 8oz cup
- Pairs With nothing - best enjoyed pure to appreciate its rarity
- Holds For 20-25 minutes at serving temperature (140-150°F)
Instructions. Use 2-3 grams per 6 ounces of water, starting with two minutes and adjusting to taste. The unique "sealed yellowing" (men huang) process requires precise brewing to showcase the honey-like sweetness without masking the subtle transformation. No rinse necessary. Glass vessels beautifully display the leaves' golden color during brewing.
Context. Yellow tea represents China's rarest tea category, distinguished by the men huang (sealed yellowing) process where warm, damp leaves undergo a unique oxidation process. This labor-intensive step can take 3-7 days and reduces the grassiness of green tea while creating distinctive mellow sweetness. Only a handful of authentic yellow tea producers remain, making these teas increasingly difficult to source.
History. Yellow tea's production dates to the early Tang Dynasty (618-907), when it was created exclusively as imperial tribute tea. Jun Shan Silver Needle from Hunan Province was reportedly Mao Zedong's favorite tea. The complex processing nearly vanished during the Cultural Revolution, with techniques passed down through only a few master craftsmen in Hunan, Anhui, and Sichuan provinces.
Trivia. True yellow tea is so rare that many Chinese tea drinkers have never tasted it. The yellowing process can reduce caffeine by up to 20% compared to green tea, though yellow teas still contain substantial caffeine. Some producers now skip the yellowing step to save time, selling green tea as "yellow tea" to unsuspecting buyers. Authentic Huo Shan Huang Ya requires 60,000 hand-picked buds to make just one kilogram.
Green Tea
- Water Temperature 175-180°F (79-82°C)
- Time 1-3 minutes for most varieties
- Re-steeps 3-5 times
- Caffeine Content 20-50 mg per 8oz cup
- Pairs With jasmine, mint, lemon (never milk)
- Holds For 25-30 minutes at serving temperature (140-150°F)
Japanese Varieties
Sencha
- Temperature 158-176°F
- Time 60 seconds first infusion
Gyokuro
- Temperature 140°F
- Time 2-3 minutes
Matcha
- Temperature 160-175°F (whisking temperature)
- Time Immediate consumption
- Caffeine Content 70-80 mg per 8oz cup
Hojicha
- Temperature 176-194°F
- Time 30-60 seconds
Genmaicha
- Temperature 176-194°F (varies by grade)
- Time 60 seconds
Kukicha
- Temperature 158-176°F
- Time 60 seconds
Bancha
- Temperature 194°F
- Time 30-60 seconds
Chinese Varieties
Longjing (Dragon Well)
- Temperature 176°F
- Time 1-2 minutes
Gunpowder Green
- Temperature 158-176°F
- Time 60 seconds
Jasmine Green
- Temperature 175-185°F
- Time 2-3 minutes
Instructions. Use one teaspoon (2-3g) per 6-8 ounces of filtered water. Japanese greens require lower temperatures than Chinese varieties due to steam-fixing versus pan-firing. Premium gyokuro needs barely steaming water to preserve umami sweetness. Never rinse quality Japanese greens—it wastes their most delicate flavors. For matcha, sift 1-2 grams into a bowl, add 2 ounces of 167°F water, and whisk vigorously in M or W motions until frothy.
Context. Green tea undergoes immediate heat application after plucking to prevent oxidation, preserving fresh, vegetal characteristics. Japanese methods use steam, creating bright green liquor and oceanic flavors, while Chinese pan-firing produces more varied profiles from nutty to floral. The whole-leaf consumption of matcha explains its exceptional caffeine content and sustained energy without jitters.
History. Green tea originated in China over 4,000 years ago, spreading to Japan via Buddhist monks in the 9th century. The Japanese developed their distinct steaming method during the 18th century. Gyokuro was invented in 1835 by Yamamoto Kahei, who experimented with shading tea plants. The isolation of EGCG (epigallocatechin gallate) in 1989 sparked global interest in green tea's health benefits.
Trivia. Shincha (first flush Japanese green tea) is often flown directly from Japan and sells out within weeks. Gunpowder green tea got its English name from its resemblance to gunpowder pellets—the Chinese call it "pearl tea." Tang Dynasty poets would hold tea competitions judging color, aroma, and foam quality. The most expensive green tea sold at auction was a Pre-Ming Long Jing for $1,500 per ounce.
Oolong Tea
- Water Temperature 185-195°F (85-90°C) for light; 195-212°F (90-100°C) for dark
- Time 30-60 seconds (gongfu) or 2-5 minutes (Western)
- Re-steeps 6-15 times, some aged varieties up to 25
- Caffeine Content 30-75 mg per 8oz cup
- Pairs With stone fruits, osmanthus flowers, roasted nuts
- Holds For 45-60 minutes at serving temperature (140-150°F)
Light Oolongs
Tieguanyin
- Temperature 185-203°F
- Time 10-30 seconds (gongfu)
Dark Oolongs
Da Hong Pao
- Temperature 194-212°F
- Time 15-20 seconds initially
Instructions. Ball-rolled oolongs absolutely require rinsing—pour hot water over compressed leaves, swirl 10-15 seconds, then discard. This awakens leaves and removes some caffeine. Gongfu brewing showcases oolong's evolution: start with 30-45 seconds for light varieties or 45-60 seconds for dark, adding 10-15 seconds per round. Use 5-7 grams per 100ml gaiwan. Flavors transform dramatically across infusions.
Context. Oolong's partial oxidation (8-85%) creates tea's most diverse category. Processing involves withering, bruising, partial oxidation, and firing. Light oolongs emphasize floral notes while dark varieties develop fruit and caramel. The spectrum demands adaptive brewing—each style has its sweet spot. Taiwan's high-mountain oolongs like Ali Shan concentrate flavor compounds from slow growth at elevation.
History. Oolong originated in Fujian's Wuyi Mountains during the Ming Dynasty (1368-1644). The name means "black dragon," possibly from the dark, twisted appearance of early varieties. Taiwan began oolong production in the 1860s, eventually developing the distinctive ball-rolling technique. The 1970s "oolong boom" in Taiwan established it as a premium export, with competition-grade versions fetching astronomical prices.
Trivia. Da Hong Pao from the original Wuyi mother bushes sold for $1.2 million per kilogram in 2002. Dong Ding oolong's name means "frozen summit"—pickers had to walk on tiptoes up the icy mountain. Oriental Beauty (Bai Hao) oolong requires leafhopper insects to bite the leaves, triggering defensive compounds that create honey notes. Some aged oolongs are re-roasted annually like wine vintages.
Black Tea
- Water Temperature 200-212°F (93-100°C)
- Time 3-5 minutes
- Re-steeps 2-3 times, Chinese blacks sometimes 4
- Caffeine Content 40-70 mg per 8oz cup
- Pairs With milk, honey, lemon, sugar, spices
- Holds For 60-90 minutes at serving temperature (140-150°F)
Regional Varieties
Ceylon
- Temperature 200-205°F
- Time 3-4 minutes
Assam
- Temperature 212°F
- Time 3-5 minutes
Darjeeling
- Temperature 185-205°F
- Time 3-4 minutes
Keemun
- Temperature 185-205°F
- Time 2-4 minutes
Yunnan Gold
- Temperature 194-212°F
- Time 2-4 minutes
Lapsang Souchong
- Temperature 190-212°F
- Time 2-3 minutes
Blends
Earl Grey
- Temperature 194-208°F
- Time 3-4 minutes
English Breakfast
- Temperature 212°F
- Time 3-5 minutes
Chai
- Temperature 212°F
- Time 3-5 minutes
Instructions. Use one teaspoon (3g) per 8 ounces, steeping robust Assams the full 5 minutes while delicate first-flush Darjeelings need just 3. Water just off the boil works for most varieties. No rinsing required unless using compressed cakes. Milk pairs excellently with Assam, Ceylon, and breakfast blends—add after brewing, never with lemon as acid causes curdling. For chai, simmer tea with spices in milk/water mixture.
Context. Black tea undergoes complete oxidation, creating robust flavors and the highest caffeine among traditional teas. British preference for black tea with milk arose from Chinese porcelain's delicacy—milk was added first to prevent cracking from hot tea. Assam's maltiness makes it breakfast blend backbone, while Ceylon's brightness works in iced tea. Kenya now produces more black tea than Sri Lanka.
History. Black tea emerged in Fujian during the Ming Dynasty as an accidental discovery when army movements delayed processing. British cultivation began in Assam in 1823 after Robert Bruce discovered indigenous tea trees. The Opium Wars (1839-1842 and 1856-1860) were partly triggered by British desperation to balance trade deficits from Chinese tea imports. Ceylon (Sri Lanka) pivoted to tea in the 1860s after coffee blight destroyed plantations.
Trivia. The Boston Tea Party (December 16, 1773) destroyed 342 chests of tea worth \$1.7 million in today's currency. Orange Pekoe refers to leaf grade, not flavor—the term comes from the Dutch House of Orange. Lapsang Souchong's smoke flavoring originated when army movements forced quick-drying over pine fires. The most expensive black tea ever sold was a 1950s Red Mark Dianhong at $1,360 per pound.
Dark Tea (Pu-erh)
- Water Temperature 195°F (90°C) for young sheng; 205-212°F (96-100°C) for aged/shou
- Time 10-30 seconds initial (gongfu), increasing gradually
- Re-steeps 15-30 times for quality aged teas
- Caffeine Content 30-70 mg per 8oz cup
- Pairs With chrysanthemum, dried fruits, nothing for premium aged varieties
- Holds For 60-120 minutes at serving temperature (140-150°F)
Young Raw (Sheng)
- Temperature 195°F
- Time 10-30 seconds
Aged/Ripe (Shou)
- Temperature 205-212°F
- Time 10-30 seconds
Instructions. Always rinse pu-erh—once for sheng, twice for shou. Use boiling water for compressed teas to help separation. Gongfu brewing essential: 7-10g per 100ml gaiwan, starting with 10-second infusions. Quality aged teas provide dozens of steeps with evolving flavors. Break compressed tea carefully along natural fault lines. Store in breathable wrappers away from odors—pu-erh actively absorbs environmental characteristics.
Context. Pu-erh represents China's only truly fermented tea (all other teas undergo oxidation, not fermentation). Sheng (raw) ages naturally over decades through microbial activity, while shou (ripe) uses accelerated wet-piling fermentation developed in 1973. The process involves Aspergillus niger and thermophilic bacteria thriving in 50-60°C heat. Storage conditions dramatically affect aging—Hong Kong's humidity accelerates transformation while Kunming maintains cleaner profiles.
History. Pu-erh originated as tribute tea for Beijing's imperial court, compressed for horse caravan transport along the Tea Horse Road to Tibet. The 600-mile journey through varying climates initiated fermentation. Menghai Tea Factory's development of shou pu-erh responded to Hong Kong demand for aged flavors without decades of waiting. The 2007 pu-erh investment bubble saw prices increase 1000% before crashing.
Trivia. A 1920s pu-erh cake sold for $1,300 per gram—more than gold. Genuine aged pu-erh develops "camphor" notes from storage near camphor wood in traditional Hong Kong warehouses. The seven-son cake tradition (357g) originated from standard loads of seven cakes per bamboo bundle. Some collectors "speed-age" pu-erh in controlled humidity chambers. Counterfeit vintage pu-erh is so common that authentication requires expertise rivaling art appraisal.
Chamomile
- Water Temperature 200-212°F (93-100°C)
- Time 5-10 minutes
- Re-steeps 1-2 times
- Caffeine Content 0 mg (caffeine-free)
- Pairs With honey, lavender, vanilla, lemon
- Holds For 45-60 minutes at serving temperature (140-150°F)
Instructions. Use 1-2 teaspoons dried flowers or 2-3 teaspoons fresh per cup. Longer steeping increases therapeutic compounds without bitterness. Cover while steeping to preserve volatile oils. Egyptian chamomile offers the sweetest, most apple-like flavor. For sleep benefits, drink 30-45 minutes before bed. Combine with passionflower and valerian for enhanced relaxation.
Context. Chamomile's apigenin content binds to brain receptors promoting calmness and sleep onset. Two main varieties exist: German (Matricaria recutita) with stronger therapeutic properties and Roman (Chamaemelum nobile) with sweeter flavor. The flowers must be harvested at peak bloom when essential oil content is highest. Quality chamomile shows intact flower heads with vibrant yellow centers.
History. Ancient Egyptians dedicated chamomile to their sun god Ra and used it for embalming. Greek physicians prescribed it for fevers—the name means "ground apple" in Greek. Medieval monks cultivated chamomile in monastery gardens as one of the "Nine Sacred Herbs." Peter Rabbit's mother famously gave him chamomile tea for stomach aches, cementing its place in children's literature.
Trivia. Chamomile can lighten hair when used as a rinse. The essential oil contains over 120 chemical compounds. Ancient Romans threw chamomile on floors to release fragrance when walked upon. Chamomile planted near other herbs reportedly improves their flavor and health. Some people allergic to ragweed may also react to chamomile.
Rooibos
- Water Temperature 200-212°F (93-100°C)
- Time 5-7 minutes or longer
- Re-steeps 2-3 times
- Caffeine Content 0 mg (caffeine-free)
- Pairs With vanilla, caramel, milk, citrus
- Holds For 60-90 minutes at serving temperature (140-150°F)
Instructions. Use 1-1.5 teaspoons per cup. Can steep indefinitely without bitterness due to lack of tannins. Red rooibos develops natural sweetness during oxidation, while green rooibos maintains lighter, more vegetal notes. Excellent hot or iced. Traditional South African "red cappuccino" uses steamed milk. For maximum antioxidants, steep at least 10 minutes.
Context. Rooibos grows exclusively in South Africa's Cederberg Mountains, 200km north of Cape Town. The needle-like leaves come from Aspalathus linearis, a legume that thrives in nutrient-poor, acidic soil. Contains unique antioxidant aspalathin and quercetin. The oxidation process turns leaves from green to characteristic red while developing vanilla-sweet notes.
History. Indigenous Khoisan people first harvested wild rooibos centuries ago, bruising and fermenting leaves in the sun. Dutch settlers adopted it as a tea alternative in the 1700s. Commercial cultivation began in the 1930s. Rooibos gained international recognition during WWII when Asian tea supplies were disrupted. The industry now supports over 5,000 South African jobs.
Trivia. Rooibos plants can live 50+ years but only produce seeds every third year. The tiny seeds must pass through fire or scarification to germinate. Red rooibos contains no oxalates, making it safe for kidney stone sufferers. Some athletes use it as a recovery drink due to electrolyte content. The Rooibos Council trademarked the name to prevent misuse like "Red Bush" knockoffs.
Peppermint
- Water Temperature 212°F (100°C)
- Time 5-7 minutes
- Re-steeps 1-2 times
- Caffeine Content 0 mg (caffeine-free)
- Pairs With honey, chocolate, green tea, ginger
- Holds For 30-45 minutes at serving temperature (140-150°F)
Mint Blends
- Temperature 212°F
- Time 5-10 minutes
Instructions. Use 1 tablespoon fresh leaves or 1 teaspoon dried per cup. Boiling water essential to extract menthol oils fully. Cover while steeping to prevent volatile compound loss. Crush fresh leaves slightly before brewing. For digestive benefits, drink after meals. Moroccan mint tea combines gunpowder green tea with fresh spearmint and copious sugar, poured from height for foam.
Context. Peppermint (Mentha × piperita) is a sterile hybrid of water mint and spearmint, containing 40-50% menthol in its essential oil. The cooling sensation comes from menthol triggering cold-sensitive receptors. Peppermint aids digestion by relaxing gastric muscles and increasing bile flow. Oregon grows 35% of US peppermint, with harvest timed for maximum oil content.
History. Peppermint's sterile hybrid nature means it doesn't exist wild—all cultivation comes from root division. First documented in England in 1696, though ancient Greeks and Romans used other mints medicinally. American colonists drank peppermint tea to avoid British tea taxes. The Wrigley company popularized peppermint flavoring globally through chewing gum starting in 1893.
Trivia. Peppermint oil is toxic to cats. The plant spreads aggressively via underground runners—always grow in containers. Medieval monks used peppermint to polish teeth and freshen reading rooms. Candy canes originated when a German choirmaster shaped peppermint sticks into shepherds' crooks. Studies show peppermint aroma can improve focus and reduce driving fatigue.
Ginger
- Water Temperature 212°F (100°C)
- Time 10-15 minutes simmering
- Re-steeps 1 time
- Caffeine Content 0 mg (caffeine-free)
- Pairs With honey, lemon, turmeric, black pepper, cinnamon
- Holds For 45-60 minutes at serving temperature (140-150°F)
Instructions. Use 1-2 inches fresh ginger root, sliced or grated, per cup. Simmering extracts more gingerols than steeping—bring water and ginger to boil, then simmer covered. Add lemon and honey after removing from heat to preserve vitamin C and enzymes. For maximum potency, grate ginger and include the juice. Fresh ginger tea helps with nausea, digestion, and inflammation.
Context. Ginger's bioactive compounds—gingerols, shogaols, and zingerone—provide anti-inflammatory and antiemetic properties. Fresh ginger contains more gingerols while dried has higher shogaol content from the drying process. Adding black pepper increases bioavailability. Ginger grows as a rhizome in tropical climates, with India producing 30% of global supply.
History. Ginger originated in Southeast Asia over 5,000 years ago, becoming one of the first Asian spices to reach Europe via Roman trade. Chinese sailors chewed ginger to prevent seasickness. Medieval Europeans believed ginger came from the Garden of Eden. During the plague, ginger was worth its weight in gold. Henry VIII recommended ginger tea as a plague preventative.
Trivia. Ginger can reduce exercise-induced muscle pain by 25%. The name comes from Sanskrit "srngaveram" meaning "horn root." Japan serves pickled ginger (gari) between sushi courses as a palate cleanser. Jamaican ginger beer traditionally ferments with a "ginger bug" starter culture. Fresh ginger stored in sherry develops complex flavors prized by Chinese tea masters.
Additional Herbal Blends
Hibiscus
- Water Temperature 200-212°F (93-100°C)
- Time 5-10 minutes
- Re-steeps 1-2 times
- Caffeine Content 0 mg (caffeine-free)
- Pairs With rose hips, citrus, berries
- Holds For 60-90 minutes at serving temperature (140-150°F)
Herbal Mixture
- Water Temperature 212°F (100°C)
- Time 5-7 minutes
- Re-steeps 1-2 times
- Caffeine Content 0 mg (caffeine-free)
- Pairs With honey, lemon
- Holds For 30-45 minutes at serving temperature (140-150°F)
Lavender
- Water Temperature 200°F maximum (93°C)
- Time 5-10 minutes
- Re-steeps 1 time
- Caffeine Content 0 mg (caffeine-free)
- Pairs With honey, chamomile, lemon balm
- Holds For 60-120 minutes at serving temperature (140-150°F)
Background Eraser
Remove white backgrounds from your images; background be gone!
Welcome! This free tool helps you remove white backgrounds from your images in seconds, right here in your browser.
What can I use this for?
- Product photos - Perfect for online stores or portfolios
- Logos and graphics - Make them work on any background
- Profile pictures - Remove distracting backgrounds
- Design assets - Create transparent PNGs for your projects
How to use
1. Upload your image
Click the camera icon or drag your image into the upload area. We support JPG, PNG, GIF, and WebP files.
2. Adjust if needed
Use the threshold slider to control how much white to remove. The default setting (30) works great for most images.
- Lower values (0-20): Only removes pure white or very close to white
- Medium values (20-50): Removes most white and light gray backgrounds
- Higher values (50-100): More aggressive, may remove light colored parts of your image
3. Download
Click "Download PNG" to save your image with a transparent background. Your new file will be ready to use anywhere!
Tips for best results
- Clean white backgrounds work best
- High contrast between your subject and background gives cleaner edges
- Adjust the threshold - move the slider left for less aggressive removal, right for more
- Preview first - you'll see the result before downloading
Good to know
- ✅ Completely free - No watermarks, no sign-ups
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Having trouble?
If the tool isn't removing the background well:
- Try adjusting the threshold slider
- Make sure your background is mostly white
- Images with shadows or gradients may need a higher threshold
Examples of what works well
- Product photos on white backgrounds
- Scanned documents or drawings
- Screenshots with white backgrounds
- Simple graphics and icons
Questions or feedback? Feel free to reach out. Happy creating! 🎨
Image Format Converter
Convert any image format with zero quality loss (i.e., where pixels go to change their clothes).
Image Format Converter
Convert any image format with zero quality loss (i.e., where pixels go to change their clothes).
Drop your image here
or click to browse • JPG, PNG, WebP, BMP, GIF, TIFF, ICO
Filename
Format
Dimensions
Size
✓ Conversion Complete!
Successfully converted to
Quick Start
- Upload - Drag & drop your image or click to browse
- Choose format - Select your desired output format
- Convert - Click the convert button
- Download - Save your converted image
Supported Formats
Input: JPG, PNG, WebP, BMP, GIF, TIFF, ICO
Output: PNG, JPEG, WebP, BMP, ICO
Features
- No installation required - Works directly in your browser
- Privacy-focused - Images are processed locally, never uploaded
- Quality control - Adjustable quality slider for JPEG/WebP formats
- File information - Shows dimensions, size, and current format
- Free to use - No limits or subscriptions
Format Guide
Format | Best For | Notes |
---|---|---|
PNG | Logos, screenshots, transparency | Larger files, lossless compression |
JPEG | Photos, web images | Smaller files, adjustable quality |
WebP | Modern websites | Best compression, not universal |
BMP | Uncompressed storage | Large files, maximum quality |
ICO | Website favicons | Multiple sizes in one file |
Quality Settings
For JPEG and WebP conversions:
- 90-100% - Best quality, larger files
- 70-90% - Balanced (recommended)
- Below 70% - Smaller files, visible quality loss
Tips
- Original files are never modified
- Converted files are saved with "_converted" suffix
- For web use, 80-85% quality is usually optimal
- WebP offers best size/quality ratio for modern browsers
Common Use Cases
- Converting PNG screenshots to JPEG for smaller email attachments
- Creating WebP versions of images for faster website loading
- Converting various formats to PNG for transparency support
- Making ICO files for website favicons
Troubleshooting
Image won't upload? Check it's under 50MB and a supported format
Blurry output? Increase quality slider above 90%
Need batch conversion? Process images one at a time using "Convert Another"
AI Trivia Game
These are today's contestants... Claude, ChatGPT, and Gemini
Today at work, we got into a conversation about what was the best AI chatbot. Everyone had their own camp and their reasons for which one was best. Best is subjective, so what do you think is the best chatbot? Prompt:
We're going to be writing a web application for my personal blog: https://starikov.co. My website is a black website with white text. My website is a ghost site. This application should be self contained to a single div, it shouldn't leak design into the greater website/on the main feed. It should be very modern, clean, and sleek. It should be good all around, scaleable in every way. It should be generally accessible. It should use modern web standards, and work great in Chrome and Safari. Again, don't like into the greater sit: it should be a single div with all of it's style and such contained, injectable into a Ghost post. It should be fully text-width.
This is going to be a fully interactive trivia game. I should be able to hardcode a javascript dictionary with quiz show questions. It can be anywhere between 1 (a freebie, you get free points) to 10 options. It should keep track of how many you get correct. You should be able to specify bonus rounds, by default make the last two bonus. It should be interactive with animations, especially congrulatory messages. You should be able to click any option but only accept answers when the user clicks a submit button.
At the end please show a congratulatory messages with their final score. It should break down every question they got right or wrong through the quiz. The more questions they get right the more grandiose the congrats animation.
Preload this game show with Google trivia, heavily focusing on ChromeOS questions. Please make it scaling in difficulty. 10 questions.
It should be a modern website with modern styling. Please keep it a div self contained to a ghost site.
I choose ChromeOS in honor of my bff Stefan.
Claude Opus
ChatGPT
4o
o3
o4-mini-high
Gemini 2.5 Pro
Unicodex
Gotta glyph 'em all!
YourTube History
Like and subscribe to find out what you've subscribed to!
Like and subscribe to find out what you've subscribed to!
Drop your watch-history.html file here
or click to browse from your device
⚙️ Parameters
📈 Watch Statistics
Your YouTube journey at a glance
Download your stats as an image to share on social media
🎬 Top Videos
Rank ↕ | Video Title ↕ | Channel ↕ | Plays ↕ | First Watched ↕ |
---|---|---|---|---|
📂
Upload your watch history to see your top videos |
Processing Your Watch History
Initializing...
What This Tool Does
This parser processes your YouTube watch history to reveal:
- Your most-watched videos with play counts
- Favorite channels based on total views
- Viewing statistics (total videos watched, daily average, estimated hours)
- Peak viewing hours
- Date range of your watch history
Requirements
- A web browser (Chrome, Firefox, Safari, or Edge)
- Your YouTube watch history file from Google Takeout
Getting Your YouTube History
Step 1: Access Google Takeout
- Go to
https://takeout.google.com
- Sign in to your Google account if not already signed in
Step 2: Select YouTube Data
- Scroll down and find "YouTube and YouTube Music"
- Check the box next to it (if not already selected)
- Click "All YouTube data included" to customize
- Ensure "history" is selected
- Click "OK"
Step 3: Configure Export
- Click "Next step"
- Choose delivery method: "Send download link via email"
- Choose frequency: "Export once"
- Choose file type: ".zip"
- Choose file size: 2 GB should be sufficient
- Click "Create export"
Step 4: Download Your Data
- Wait for an email from Google (may take minutes to hours)
- Click the download link in the email
- Extract the ZIP file
- Navigate to:
Takeout/YouTube and YouTube Music/history/
- Locate the file named
watch-history.html
Using the Parser
Step 1: Upload Your File
- Open the YouTube History Parser webpage
- Click the upload area or drag your
watch-history.html
file onto it - The file will be validated automatically
Step 2: Configure Analysis Parameters
- Number of Top Videos: How many videos to display (default: 100)
- Minimum Play Count: Filter out videos watched fewer times
- Date Range: Analyze specific time periods (optional)
- Channel Filter: Search for specific channels
- Sort By: Choose ordering method
- Exclude YouTube Music: Toggle to filter out music content
Step 3: Analyze
- Click "Analyze History"
- Wait for processing to complete
- Review your statistics and top videos
Step 4: Export Results (Optional)
- Export CSV: Download spreadsheet-compatible file
- Export JSON: Download structured data file
Understanding Your Results
Statistics Section
- Data Period: Date range of your watch history
- Total Watch Events: Number of times you've watched any video
- Unique Videos: Different videos you've watched
- Unique Channels: Different channels you've watched
- Estimated Hours: Rough viewing time (assumes 10-minute average)
- Daily Average: Videos watched per day
- Favorite Channel: Most-watched channel by play count
- Most Rewatched: Single video with highest play count
- Peak Viewing Hour: When you watch most videos
Top Videos Table
- Rank: Position by play count
- Video Title: Name of the video with link
- Channel: Creator's channel name
- Plays: Number of times watched
- First Watched: Earliest viewing date
Privacy Notice
All processing occurs locally in your browser. Your watch history file never leaves your device. No data is uploaded to any server.
Troubleshooting
File Won't Upload
- Ensure file is named
watch-history.html
or has.html
extension - Verify file is from Google Takeout YouTube export
- Check file isn't corrupted (should open in browser)
No Data Showing
- Confirm you selected the correct date range
- Check minimum play count isn't too high
- Verify YouTube history was included in your Takeout export
Missing Videos
- Some deleted videos may not display properly
- YouTube Music content is excluded by default (toggle setting to include)
- Very old entries might have incomplete data
Tips
- Use the search box to find specific videos or channels
- Click column headers to sort differently
- Adjust date filters to analyze specific periods
- Export data for further analysis in spreadsheet software
Multiple YouTube Accounts?
The YouTube History Merger tool bleow combines multiple watch-history.html
files from different Google accounts into a single unified timeline. This is useful when you have multiple YouTube accounts (personal, work, legacy accounts) and want to analyze your complete viewing history across all accounts. The tool processes files of any size (tested up to 35MB+) and automatically removes exact duplicate entries that occur within 10 seconds of each other, while preserving legitimate re-watches of the same video at different times.
To use the merger, simply drag and drop or select multiple watch-history.html
files from your various Google Takeout exports. The tool will parse each file, extract all watch entries with their timestamps, sort them chronologically (newest first), remove duplicates, and generate a single merged watch-history.html file that maintains the exact same format as the original exports. This merged file can then be used with the YouTube History Parser above to analyze your complete viewing history across all accounts. The merger displays statistics showing total entries processed, unique entries retained, duplicates removed, and the date range of your combined history.
Drop YouTube watch-history.html files here
or
Supports large files (35MB+)
Your merged history is ready!
All videos sorted by date with duplicates removed.
Download Merged HistoryMissouri S&T Satellite Team: Mr & Mrs Satellite
Missouri made. Space grade.
In February 2015, Missouri University of Science and Technology won the Air Force's Nanosat-8 competition, beating MIT, Georgia Tech, and seven other universities. Their winning design: two satellites that would perform proximity operations in space, demonstrating inspection capabilities for non-responsive spacecraft. Nearly a decade later, these satellites are finally ready for launch.

Background
Missouri S&T hired Dr. Hank Pernicka in 2001 to establish their aerospace engineering program. By 2005, the university was competing in national satellite competitions. Dr. Pernicka set clear expectations for his students: "dealing with spacecraft, close to 100% is required for success."
The Missouri S&T Satellite Team (M-SAT) grew from a single course to a 50-person multidisciplinary team by 2015. Their competition history included third place in Nanosat-4 and second place in Nanosat-7, where they notably outperformed MIT.
The Nanosat-8 Competition
The University Nanosat Program, funded by the Air Force Office of Scientific Research, challenges universities to develop flight-ready satellites. Nanosat-8, launched in 2012, focused on proximity operations and space situational awareness – capabilities with direct military applications.
Ten universities competed over two years. The final review occurred January 18-19, 2015, at Kirtland Air Force Base. Winners would receive Air Force launch services for their satellites.
The Mr & Mrs Sat Design
Missouri S&T proposed a two-satellite system:
- MR SAT (Missouri-Rolla Satellite): The inspector satellite
- MRS SAT (Missouri-Rolla Second Satellite): Simulates an uncooperative space object
The mission addresses a practical problem. When satellites malfunction or stop responding, operators need to assess damage without risking astronaut spacewalks or expensive replacement missions. Mr & Mrs Sat demonstrates autonomous inspection at a 10-meter distance.
Key Technical Innovations
Stereoscopic Imaging: Custom dual-camera system creates real-time 3D images, allowing precise position and velocity measurements in space.
R-134a Propulsion: Instead of expensive spacecraft propellants, the team used R-134a refrigerant – the same compound found in automotive air conditioning. The cold gas system, stored in a container roughly the size of a 2-liter bottle, provides six degrees of freedom for formation flying. Cost: about $20 per bottle versus thousands for traditional propellants.
Autonomous Control: The Self-sufficient, Accelerated Spacecraft Integration Flight Control System (SASI FCS) maintains formation without ground intervention, critical for practical operations.
Development Challenges
Dr. Pernicka warned students the project would be "underfunded and due in two years – a ridiculous deadline for normal satellite design." Air Force safety requirements added complexity.
Anna Schroeter, Program Manager, coordinated 9 subsystems and 25+ personnel. Her responsibilities included budget proposals, Air Force coordination, and systems integration across multiple engineering disciplines.
The psychological toll was significant. As Dr. Pernicka noted, "Sometimes they fail spectacularly. It's part of the business." Students invested years in projects that could fail during launch or in orbit.
From Competition to Flight Hardware
Winning in 2015 guaranteed launch services but required transforming academic designs into flight-qualified hardware. This meant:
- Space qualification for every component
- Redundancy for all critical systems
- Testing for launch vibrations, thermal cycling (-100°F to +200°F), and radiation exposure
The process took nearly a decade. By Summer 2024, flight-ready satellites were delivered to the Air Force Research Laboratory. Multiple student generations contributed to the project through graduation cycles and the COVID-19 pandemic.

Mission Profile
The satellites will likely launch on a SpaceX Falcon 9, possibly via the International Space Station. Once deployed, they'll demonstrate:
- Automated proximity operations
- 3D imaging and reconstruction
- Formation flying using low-cost propulsion
Primary mission duration: 4 months
Expected operational life: 2-4 years
Applications include military satellite inspection, commercial satellite diagnostics, and development of future servicing missions.
Educational Impact
The program has produced over 11,000 alumni across 25 years. Many work at NASA, SpaceX, Boeing, and other aerospace companies. Students gain end-to-end spacecraft development experience unavailable in traditional academic programs.
Joseph Nguyen exemplifies the program's reach. A first-generation college student who initially found undergraduate research "a little too challenging," he became Student Director. His scholarship letter stated: "As the first male in my family to attend college, your scholarship will financially assist my family in the expenses of my attendance. I hope to make my community proud and hope to make you proud as a student who dared to change his future."
Technical Significance
The R-134a propulsion system demonstrates how cost constraints drive innovation. If university students can achieve precision formation flying with hardware store refrigerant, the approach could benefit budget-conscious small satellite operators.
The stereoscopic imaging system addresses growing needs for space situational awareness as orbit becomes more congested. Autonomous inspection capabilities have clear national security applications.
Looking Forward
Mr & Mrs Sat awaits launch within 1-2 years. The approaching milestone represents a decade of student effort, technical problem-solving, and persistence through setbacks.
When these satellites finally reach orbit, they'll prove that the greatest space achievements don't always come from billion-dollar budgets or prestigious institutions – sometimes they come from Missouri students with the audacity to make hardware store refrigerant fly. In the cold vacuum above, Mr & Mrs Sat will dance on air conditioning dreams, showing the world that innovation thrives on constraint, that ridiculous deadlines can forge real spacecraft, and that true engineering genius isn't about having the most resources but about having the nerve to reach for the stars with whatever's in your toolbox. They'll orbit as monuments to every student who dared to believe that a hardware store trip could be the first step to space – and that sometimes, the most extraordinary achievements begin with the most ordinary tools.
