MU Tools — Your handy toolbox, right next to your work
MU Tools is a minimal collection of free online utilities for those "just one more thing" moments at work. No signup, no install — everything runs entirely in your browser, so the text you type and the files you drop in never leave your device.
Why MU Tools
- Free & no signup — open a tool and start using it immediately
- Private by design — all processing happens locally in your browser
- Works anywhere — desktop and smartphone, nothing to install
- 40+ tools across the categories you actually need
What's inside
- Image — Compressor, Cropper, Resizer, Merger, Image to Text (OCR), WebP Converter, Favicon Generator, Slack Emoji Generator
- PDF — Splitter, Merger, Text Extractor, Sign & Annotate, PDF ⇄ Image Converter
- Web analysis — Heading Extractor, Site Metadata Extractor, OGP Checker, IP Lookup, Whois Lookup
- Color & Design — Color Picker, Color Code Converter, Contrast Checker, Palette Generator, CSS Gradient Generator
- Text — Character Counter, Text Diff, JSON Formatter, Regex Tester, Cron Builder, Markdown Editor, Password Generator
- Encoding — Base64, Image ⇄ Base64, URL Encode/Decode, JWT Decoder, Hash Generator
- Data conversion — Unit Converter, UNIX Timestamp Converter, CSV ⇄ JSON Converter
- Other — QR Code Generator, Random Picker, Pomodoro Timer
Free, fast, and friction-free — MU Tools keeps the small utilities you reach for every day one click away.
