Typing Speed Test - Online WPM & Accuracy Checker
Measure your typing speed in words per minute and accuracy. Random word prompts. Compare results over time. No data sent.
UD5 Toolkit
Estimate how long it takes to read any text. Paste your content, adjust your reading speed, and get an instant time estimate.
Measure your typing speed in words per minute and accuracy. Random word prompts. Compare results over time. No data sent.
Enter a URL and get a rough client-side performance simulation: request count, DOM size, and potential speed tips. No real Lighthouse.
Quickly estimate your internet connection speed by downloading a small test file. See class and recommendations.
Enter hole saw diameter and material to find the recommended RPM and feed pressure. Prevent burning and kickback.
Measure your internet connection speed by downloading and uploading a small test file. Works from your browser.
Analyze text for screen reader friendliness: detect vague link text, missing alt suggestions. Get a report. Local.
Estimate hiking time using Naismith's rule (distance + elevation gain). Adjust for terrain and fitness. Plan your outdoor adventure.
List assignments with estimated minutes. See total time and break into Pomodoro sessions. Stay motivated.
Enter pins per roll and calculate total bowling score including strikes and spares. Supports 10 frames. Learn scoring rules visually.
Compute the selling price from cost and desired markup percentage, or find the markup from cost and price.
Enter number of rooms and get an estimate of how many moving boxes in each size you'll need. Plan your move efficiently. Local tool.
Based on desired annual income and billable days, calculate your minimum day rate. Don't undercharge.
Compute multiple readability scores (Flesch Reading Ease, Grade Level, ARI, SMOG). Paste any English text and see which grade level it's suitable for. Local.
Calculate your weekly, monthly, or annual pay based on hourly wage and hours. Include overtime rates. Accurate and private.
Send HEAD requests to popular websites and measure the roundβtrip time. Quick network health check. Clientβside.
Enter completed chores/reading minutes to calculate earned screen time. Customizable rates. Local tracking.
Convert torque units between Newton-meter, foot-pound, inch-pound, and more. Essential for mechanics and engineers. Instant local conversion.
See exact dimensions of your current browser inner/outer window, screen resolution, and pixel ratio. Developer debug.
Convert fuel economy units between miles per gallon (US/UK), liters per 100 km, and kilometers per liter. Useful for international car comparisons.
Enter a URL and click to check if it's reachable from your browser (CORS-limited, uses no-cors fetch). Quick manual test. Local only.
Estimate daily caloric needs for dogs and cats based on weight, activity, and life stage. Helps adjust portion sizes. General reference, not vet advice.
Enter distance and time to get your 500m split. Also predicts how a change in stroke rate affects power output.
Paste text to compute reading ease and grade level using Flesch-Kincaid, SMOG, and ARI. Improve your writing clarity. All in browser.
Estimate filament usage: enter weight or length and get the remaining value plus cost. PLA/ABS density reference. Local calculation.
Learn about fβstops and their effect on light and depth. Calculate equivalent exposure adjustments. Educational.
Fetch a page and list all loaded assets (CSS, JS, images) with their sizes. See total page weight. Quick performance check.
Analyze letter/symbol frequency with an interactive bar chart and heatmap. Useful for breaking simple ciphers, linguistics, and SEO keyword analysis. Local processing.
If your device has a barometer, read the pressure and see trend analysis for short-term weather prediction. Fully local sensor access.
Morse characters flash on screen; you must tap them correctly on a single button. Points for accuracy and speed. Learn Morse in a fun way.
Enter a reference port's high tide and see estimated tides for the next 3 days using rule of twelfths. Educational.