Sign any PDF, free forever. No login. Nothing leaves your device.
Add your signature, checkmarks, text and dates right in your browser. Your file is never uploaded to a server — every edit happens locally on your device.
Drop a PDF here
or tap to choose a file — it stays on your device
Your file never leaves your device
100% in-browser
Your document is opened and signed locally with WebAssembly. No upload, no cloud, no account.
Free forever
Every feature is free with no signup and no watermark. We keep the lights on with unobtrusive ads.
Legally sound
Simple electronic signatures are valid under the U.S. ESIGN Act and the EU's eIDAS. We embed an audit hash on export.
A real PDF editor, not just a signature box
Sign your way
Draw with your finger or mouse, type your name in a signature font, or upload an image of your signature.
Check ✓ and cross ✗ marks
Tick boxes and mark fields on forms with one tap — perfect for applications and contracts.
Add text, dates & more
Drop text anywhere with adjustable fonts, sizes and colors. Drag to reposition, resize, edit or delete.
Unlimited undo & autosave
Every change is saved on your device automatically. Undo and redo as far back as you like.
Works on every screen
Phones, foldables, tablets and desktops — a fluid, touch-friendly interface that adapts to your device.
Your language
Use the app in your language and type signatures and text in any script, including right-to-left.
How to sign a PDF in three steps
Open your PDF
Drag a file in or pick one. It loads instantly and stays on your device.
Add your signature & fields
Place a signature, checkmarks, text or a date. Move and resize anything.
Download the signed PDF
Export a flattened, signed PDF with an audit hash. Done — no account, ever.