justuse.me
No upload · no sign-up · no watermark· 100% in your browser

The tool you need, already open.

122 privacy-first utilities — PDF, image, text, code, and more. Everything runs on your device. Pick a category below or search.

Browse by category →Monday late nighttuned to what people usually reach for now

Try one without leaving this page

Four of the most-used tools, fully working right here. The other 118 are one click away.

runs entirely on your device
LIVE · QR CODEopen →
Generate a QR code
Type anything — URL, text, Wi-Fi. Click to download.
LIVE · GENERATORopen →
Strong password
125 bits of entropy · regenerated locally
strong
LIVE · TEXTopen →
Word & character counter
Paste anything — it never leaves your browser.
15
words
84
chars
70
no-spc
1m
read
LIVE · CONVERTopen →
Color converter
Pick or type — HEX · RGB · HSL update together.
HEX
RGB
HSL

Picked for you, right now

Monday late night — tuned to what people usually reach for now
See all 121

Browse by category

8 neighborhoods · 121 tools · all free, all local.

Tool Categories · 121

JustUse.me is a free, privacy-first online toolbox with 120+ browser-based tools for everyday file tasks. Every tool runs entirely in your browser using WebAssembly and Canvas APIs — your files are never uploaded to any server. No account required, no watermarks, no hidden fees.

PDF

9Merge, split, compress, and convert PDFs online for free.

Image

19Compress, resize, and convert images instantly.

Text & Code

23Format JSON, count words, encode/decode Base64, and more.

Convert

11Convert between CSV, JSON, YAML, XML, and other formats.

Generator

14Generate QR codes, color palettes, and more.

Calculator

16Percentage, BMI, mortgage, loan, and other calculators.

Developer

15Regex tester, URL encoder, CSS generators, and more.

Utility

14Stopwatch, timer, unit converters, and everyday tools.

Common questions

Is JustUse.me really free?

Yes. 120+ tools, no caps, no watermarks, no sign-up. Support is optional.

Are my files uploaded?

Never. Everything runs client-side in your browser. Your files don't leave your device.

Does it work offline?

After the first load, most tools work offline — they're pure JavaScript in your tab.

What languages are supported?

English, Simplified Chinese, and Traditional Chinese. More on the way.