Speech to Text Dictation - Online Transcribe Audio & Mic
Use your microphone to dictate text and see it appear live. Also upload an audio file for transcription (limited). All local.
UD5 Toolkit
Real-time voice recognition & audio transcription — free, private, in-browser
Tip: For best results, play audio through speakers and ensure your microphone can capture the sound clearly. Use headphones placed near the mic or enable stereo mix on your system.
Use your microphone to dictate text and see it appear live. Also upload an audio file for transcription (limited). All local.
Paste a corpus of text and generate new random sentences that mimic the style using Markov chains. Local only.
Enter a cron expression and get a plain English description of when it runs. Understand complex schedules instantly. Developer friendly.
Re‑order words to sound like Master Yoda. Not perfect, but amusing, this tool is. Local and quick.
Take a normal sentence and reverse the word order. Sound like Yoda or just play with language.
Toggle browser‑generated bold and italic when a real italic is missing. Understand and control font fallback rendering.
Create half‑hour time blocks for your day. Drag to resize and reorder. Export as image. All local.
Divide your day into blocks with color codes. Drag tasks into slots. See free time at a glance.
Create CSS animations and transitions without coding. Define keyframes, easing, and duration. Copy the @keyframes and animation code instantly.
Run a CPU‑heavy calculation (e.g., prime numbers) in a Web Worker and see the UI stay responsive. Code snippet provided.
Decode Base64 encoded strings back into viewable images and download them as PNG. Useful for debugging APIs and data URIs. Secure local processing.
Demonstrate how to yield heavy computation to user input using the isInputPending API. Keep UI responsive.
Fill in daily work hours and tasks, and generate a printable PDF timesheet. Clean, professional layout. Local.
Paste a git log and generate a polished changelog grouped by type (feat, fix, etc.). Follows Keep a Changelog format. Local.
Enter a hexadecimal string and decode it as a 32‑bit or 64‑bit floating‑point number. Low‑level developer tool.
Paste Pug template code and compile it to HTML. See the rendered output instantly. For static site devs.
Visualize random-width plank layout and calculate total square footage plus waste for hardwood or laminate flooring.
Use the document.fonts API to check if a font is loaded. Watch the ready promise. Avoid FOUT. JavaScript demo.
Repeat the growing color sequence. How far can you go? Classic memory game with sound and animations.
Convert units of force: Newton, kilonewton, pound-force, dyne. Handy for physics homework and engineering. Private, no upload.
Click for an endless stream of random dad jokes and puns. Copy and share. Guaranteed to make you groan. All local.
Build <link> tags for preload, prefetch, preconnect, and dns‑prefetch. Improve page load speed with correct priorities. Copy the optimized HTML.
Start recording and watch for Long Tasks that block the main thread. See task duration and attribution. Improve Interaction to Next Paint.
Create multi‑step keyframe animations by adding stops and properties. Play and pause. Copy the complete CSS. Intuitive UI.
Drag tasks into a 2x2 grid (Urgent vs. Important or Impact vs. Effort). Visual decision aid. Local.
Set up resources and processes and run the Banker's algorithm to check for safe states. Classic OS deadlock avoidance demo.
Build a responsive masonry layout using the column‑count property. No JavaScript. Copy the minimal CSS.
Try the experimental masonry layout in CSS Grid (enabled via flag). See how items flow. Copy the code. For cutting‑edge browsers.
Analyze a monophonic audio recording and convert the pitch into a MIDI file. Perfect for capturing musical ideas. Client-side.
Use the Web Speech API to turn your spoken words into text with punctuation. Copy and paste anywhere. Privacy‑first.