Signerra
100% Free, Client-Side & Private
Sign PDFs Instantly & Securely
The easiest way to sign documents directly in your browser. Free forever. No uploads, no sign-ups, no server storage. Your data never leaves your device.
Drop your PDF here
or click to browse files
1
Upload Document
Drag and drop your PDF file. It opens instantly in your browser without uploading to any server.
2
Create & Place Signature
Draw your signature or upload an image. Click anywhere on the document to place it perfectly.
3
Download Securely
Get your signed document instantly. The signing process happens entirely on your device.
Why is this secure?
Unlike other tools, we don't store your files. This application runs entirely in your browser using WebAssembly technology. Your sensitive documents never touch our servers, ensuring 100% privacy and security.
No Server Uploads
Instant Processing
Local Encryption