Sobriety Counter & Milestones - Online Recovery Tracker
Track days of sobriety with a motivational counter and milestone celebrations. Set quit date and see time elapsed in days, hours, minutes. Private & local.
UD5 Toolkit
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Track days of sobriety with a motivational counter and milestone celebrations. Set quit date and see time elapsed in days, hours, minutes. Private & local.
Estimate ovulation day and fertility window from last menstrual period. Displays probable conception dates. Informational only; processes locally in browser.
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
Answer questions and see typical milestones for 0-5 years. Educational reference for parents. Not a diagnostic tool.
Paste text and set display speed for Rapid Serial Visual Presentation. Train your reading speed.
Record audio directly from your microphone and download it as a WAV file. Perfect for quick notes. No upload, fully offline support.
Hear a word spoken by browser TTS and type the spelling. Choose difficulty or paste your own list. Great for kids. Local only.
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
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.
Hear text spoken word by word with boundary events. See the exact index and character. Advanced TTS dev tool.
Paste your speech, set time limit, and practice with a pacing indicator (words per minute). Refine delivery.
Timer to remind you to limit shower water exposure even with a cast cover. Keep your cast dry.
See a comprehensive table of which modern web APIs your current browser supports. Includes WebGPU, AVIF, and more.
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.
Request a USB device and communicate with it using the Web USB API. See vendor and product IDs. Experimental.
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.
Measure your visual and auditory reaction speed. Average and best times shown. No data collected. Pure Javascript timing.
Learn to aim a signal mirror by aligning a virtual finger and target. Simulates the retro‑reflective mesh technique. Practice before you need it.
Click any element on a demo page and see which events are attached. Visual debugger for event handling.
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 robots.txt content and parse it to check validity, find disallowed paths. Educational SEO tool. Local processing.
Generate CUIDs that are optimized for horizontal scaling and collision resistance. Great for client‑side IDs. Pure JavaScript.
Paste HTML and see a before/after comparison of minified output. Check the byte savings. All local.
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.
Generate a realistic, random user‑agent string for desktop, mobile, or bot. Perfect for API testing and scraping.
Build a properly formatted robots.txt file with user-agent rules and sitemap location. Validate syntax in real time. Essential for webmasters.
Turn your browser screen into a full‑color flashlight or strobe. Adjust brightness and color. Simple utility.
Simple phase cancellation tool: load a stereo track and attempt to remove center‑panned vocals. Not perfect, but fun to experiment.