Sign PDF Online Free
Draw, type, or upload your signature and place it on any PDF — all for free, all inside your browser. No account, no upload, no waiting.
No account needed · zero uploads, verifiable in DevTools
Open DevTools → Network while converting. You'll see zero outbound requests. Every byte stays inside your browser tab.
No. All processing happens entirely in your browser using WebAssembly. Your file never leaves your device.
In most countries, an electronic signature is legally valid for everyday documents. For regulated industries requiring qualified digital signatures (QES), you may need a certified provider.
Yes. You get 5 free tool uses per day. No account or credit card required.
Yes. Once the page is loaded, you can disconnect from the internet and the tool will still work perfectly.