minipdftoosz
minipdftoosz
Everything runs in JavaScript (and WebAssembly) on your device. We can't see your PDF, and neither can our servers — because your file never touches them.
Drag your file onto the box, or click to pick one from your device.
Set the options in the sidebar. Defaults work for most.
Hit the big button. Your file is ready in seconds — never leaves your browser.
Common questions about add page numbers. Something else on your mind? Ask us.
Yes. Free forever. No sign-up. No credit card. No trial.
Never. Everything runs locally in your browser using JavaScript and WebAssembly.
Only limited by your browser’s memory. Most laptops handle 100MB+ with ease; very large files may be slower.
Once the page and its tool script have loaded, yes — processing runs entirely client-side.