offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers

Sign PDF Documents

Free PDF signature tool. Add your signature to PDF documents by drawing or uploading an image. Position signatures anywhere on any page — all in your browser.

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

Upload PDF file

Select a PDF file to add your signature. You can draw a signature or upload an image file.

Drag & drop files or browse

Supports: application/pdf Up to 1 file.

Tip: Draw your signature using mouse or touch, or upload a signature image. Position will be measured from the bottom-left corner of the page. Typical signature size: 200x100px.

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.