Daily Time Block Planner – Online Hourly Schedule
Divide your day into blocks with color codes. Drag tasks into slots. See free time at a glance.
UD5 Toolkit
Divide your day into blocks with color codes. Drag tasks into slots. See free time at a glance.
Fill in daily work hours and tasks, and generate a printable PDF timesheet. Clean, professional layout. Local.
Run a CPU‑heavy calculation (e.g., prime numbers) in a Web Worker and see the UI stay responsive. Code snippet provided.
Create multi‑step keyframe animations by adding stops and properties. Play and pause. Copy the complete CSS. Intuitive UI.
Enter a cron expression and get a plain English description of when it runs. Understand complex schedules instantly. Developer friendly.
Visualize random-width plank layout and calculate total square footage plus waste for hardwood or laminate flooring.
Create CSS animations and transitions without coding. Define keyframes, easing, and duration. Copy the @keyframes and animation code instantly.
Set up resources and processes and run the Banker's algorithm to check for safe states. Classic OS deadlock avoidance demo.
Try the experimental masonry layout in CSS Grid (enabled via flag). See how items flow. Copy the code. For cutting‑edge browsers.
Start recording and watch for Long Tasks that block the main thread. See task duration and attribution. Improve Interaction to Next Paint.
Drag tasks into a 2x2 grid (Urgent vs. Important or Impact vs. Effort). Visual decision aid. Local.
Build a responsive masonry layout using the column‑count property. No JavaScript. Copy the minimal CSS.
Demonstrate how to yield heavy computation to user input using the isInputPending API. Keep UI responsive.
Paste a corpus of text and generate new random sentences that mimic the style using Markov chains. Local only.
Use your microphone to dictate text and see it appear live. Also upload an audio file for transcription (limited). All local.
Use your microphone to dictate text and see it appear live. Also upload an audio file for basic transcription. All local.
Build <link> tags for preload, prefetch, preconnect, and dns‑prefetch. Improve page load speed with correct priorities. Copy the optimized HTML.
Paste a git log and generate a polished changelog grouped by type (feat, fix, etc.). Follows Keep a Changelog format. Local.
Repeat the growing color sequence. How far can you go? Classic memory game with sound and animations.
Toggle browser‑generated bold and italic when a real italic is missing. Understand and control font fallback rendering.
Take a normal sentence and reverse the word order. Sound like Yoda or just play with language.
Click for an endless stream of random dad jokes and puns. Copy and share. Guaranteed to make you groan. All local.
Decode Base64 encoded strings back into viewable images and download them as PNG. Useful for debugging APIs and data URIs. Secure local processing.
Paste Pug template code and compile it to HTML. See the rendered output instantly. For static site devs.
Re‑order words to sound like Master Yoda. Not perfect, but amusing, this tool is. Local and quick.
Use the document.fonts API to check if a font is loaded. Watch the ready promise. Avoid FOUT. JavaScript demo.
Convert units of force: Newton, kilonewton, pound-force, dyne. Handy for physics homework and engineering. Private, no upload.
Enter a hexadecimal string and decode it as a 32‑bit or 64‑bit floating‑point number. Low‑level developer tool.
List assignments with estimated minutes. See total time and break into Pomodoro sessions. Stay motivated.
Select 10 clothing items and generate all possible outfit combinations. Visual grid. Travel light.