Meeting Speaker Timer - Online Countdown Per Agenda Item
Set a list of agenda items with allocated minutes. Advance through speakers and see remaining time visually. Keep meetings on track.
UD5 Toolkit
Set a list of agenda items with allocated minutes. Advance through speakers and see remaining time visually. Keep meetings on track.
Use your microphone to dictate text and see it appear live. Also upload an audio file for basic transcription. All local.
Use your microphone to dictate text and see it appear live. Also upload an audio file for transcription (limited). All local.
Hear text spoken word by word with boundary events. See the exact index and character. Advanced TTS dev tool.
Hear a word spoken by browser TTS and type the spelling. Choose difficulty or paste your own list. Great for kids. Local only.
Test your browser's built‑in speech recognition. Speak and see the transcribed text appear live. Must‑have for voice app devs.
Paste your script and get an approximate speech duration based on slow/average/fast pace. Avoid overtime.
Record audio directly from your microphone and download it as a WAV file. Perfect for quick notes. No upload, fully offline support.
Measure your visual and auditory reaction speed. Average and best times shown. No data collected. Pure Javascript timing.
Paste text and set display speed for Rapid Serial Visual Presentation. Train your reading speed.
Timer to remind you to limit shower water exposure even with a cast cover. Keep your cast dry.
Simple phase cancellation tool: load a stereo track and attempt to remove center‑panned vocals. Not perfect, but fun to experiment.
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
Answer questions and see typical milestones for 0-5 years. Educational reference for parents. Not a diagnostic tool.
Start a 10‑15 minute guided laser chase session that ends with the dot landing on a treat, preventing frustration from never catching the prey.
Learn to aim a signal mirror by aligning a virtual finger and target. Simulates the retro‑reflective mesh technique. Practice before you need it.
Compare :focus and :focus‑visible styling. See which one applies when using mouse vs. keyboard. Accessible focus management.
Estimate ovulation day and fertility window from last menstrual period. Displays probable conception dates. Informational only; processes locally in browser.
Track days of sobriety with a motivational counter and milestone celebrations. Set quit date and see time elapsed in days, hours, minutes. Private & local.
Convert pixel values to em and rem units based on a base font size. Bidirectional. Must‑have for front‑end developers.
Simple tracker to record potty attempts, successes, accidents. See patterns. Data stays local. Aids in toilet training journey.
Click any element on a demo page and see which events are attached. Visual debugger for event handling.
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
Fill in your details and generate a professional-looking invoice ready to print or save as PDF. No sign-up, all data stays on your device. Great for freelancers.
Paste HTML and see a before/after comparison of minified output. Check the byte savings. All local.
Get a short, thought‑provoking insight or proverb. A moment of reflection. Works offline.
Click for a warm, encouraging sentence to lift your spirits or support a friend. Small positive boost. No repeats.
Request a USB device and communicate with it using the Web USB API. See vendor and product IDs. Experimental.
Turn your browser screen into a full‑color flashlight or strobe. Adjust brightness and color. Simple utility.
Change the text input cursor color. See the effect live. Copy the minimal CSS. Simple but delightful.