Tea Brewing Timer - Online Perfect Steep for Green Black Oolong
Select tea type and get recommended steeping time & temperature. Start a visual countdown with an alert. Make every cup perfect. No ads, local.
UD5 Toolkit
Brew every cup to perfection — select your tea, set the timer, and steep with confidence.
Select tea type and get recommended steeping time & temperature. Start a visual countdown with an alert. Make every cup perfect. No ads, local.
Set up high-intensity interval training rounds with work and rest periods. Audio alerts and customizable sets. Runs in background, no download.
Create a simple agenda with timeboxes for each topic. Visual countdown and alerts for each.
Calculate dehydrating time based on meat slice thickness and desired texture. Countdown timer with reminders.
Choose your cup size and sweetness level, and get exact proportions for tea, milk, syrup, and tapioca pearls. Perfect homemade boba every time.
Visual chart showing the typical colors a bruise goes through from red to yellow. Educational only.
Create linear and radial gradients on canvas. Adjust stops and colors visually. Copy the JavaScript code.
Schedule your iron supplement away from inhibitors (coffee, calcium). Visual reminder and log.
Calculate water and soda ash needed to pre‑soak fabric for tie‑dye. Achieve vibrant, long‑lasting colors.
Enter a URL and see the full HTTP response headers returned by the server. Detect redirects and server type. Useful for SEO and web debugging.
Select herb and method to see estimated drying time. Set a reminder to check. Preserve flavor.
Displays the national poison control number and basic first steps for common household ingestions. Seek medical help immediately.
Test min, max, and step constraints on `<input type='number'>`. See how invalid values are handled. Undocumented behavior.
Enter a hook size in any system and instantly see the equivalent in all other standards.
Visual guide to identify root-bound plants. Calculates next pot size up. Keep indoor plants healthy.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Enter a Sudoku puzzle and watch it solved step-by-step with techniques explained. Learn solving strategies. Local only.
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Perform common percentage calculations: find percent of a number, percentage increase/decrease, and more. Simple, fast, and always available for free.
Compare mouthpiece specifications side‑by‑side. See how changes affect tone and range. Educational for brass players.
Estimate daily hay and grain needed for a horse based on weight and workload. Follows 2% body weight rule. Educational reference.
Check HTTP status codes for multiple URLs at once. Identify broken links and redirects. All requests made via browser fetch.
When a yarn is discontinued, find equivalent alternatives by matching weight and gauge. Local reference.
Tap short/long on the screen to create Morse characters, and see the decoded text appear.
Study HSK 1‑6 vocabulary with digital flashcards. Show/Hide pinyin and translation. Track known words locally.
Enter number of eyelet pairs and lacing style to find the correct shoelace length in inches/cm. Never buy too short.
Enter mold dimensions or water weight to get total resin needed, including Part A and B.
Enter product size and price for two items to see true cost per unit (oz, lb, ml, etc.). Always find the better deal. Quick local math.
Find safe mixing ratios for the classic elephant toothpaste demonstration. Volume adjustments for different container sizes.
Mix your own feed by entering grain percentages and see the resulting crude protein. Formulate a balanced diet for your flock.