Sign PDF
Add a PNG or JPG signature to a chosen page and position — processed locally and flattened into the PDF.
Your file is processed locally in your browser.
Drag files here
PDF, PNG, JPG · up to 100 MB each
Options
Add at least 2 files to continue.
How to use Sign PDF
- 1Add your files by dragging them into the upload area or using the file picker.
- 2Adjust the options to match what you need.
- 3Press “Sign PDF” and wait for the progress indicator to finish.
- 4Download the result — signed pdf.
Key features
- Runs fully in your browser — the file is never uploaded
- Works on desktop, tablet and mobile with drag and drop
- No watermarks added to your output
- Clear errors and a retry option if something goes wrong
Sign PDF FAQ
Related tools
Looking for something else? Browse all pdf security tools.