Security PDF
Sign PDF
Stamp a dated signature onto the pages you choose.
Runs entirely in your browser — the file never leaves this device
100% FREE
No subscription required
COMPLETELY PRIVATE
Your files are never uploaded anywhere
CLIENT-SIDE PROCESSING
All conversions happen in your browser only
YOUR DATA IS YOURS
We process everything locally on your device
Drop your file here
or click to choose from your device
Select fileAbout Sign PDF
Add a typed signature with today's date to the pages you choose. Arabic names are supported.
How to use Sign PDF
- 1Click "Select file" or drag and drop a PDF into the box above.
- 2Set your text, the page numbers, the position.
- 3Press "Run Sign PDF". The conversion runs on your own device, usually in a few seconds.
- 4Download a signed PDF. Nothing is uploaded or stored on any server.
Tips for the best result
- By default the last page is signed.
- For legally binding e-signatures, check your local requirements.
Frequently asked questions
Is the Sign PDF tool free?
Yes. It is completely free, with no sign-up, no watermark and no daily limit.
Are my files uploaded to a server?
No. FlashFile processes your files entirely inside your browser, so they never leave your device.
Is there a file size limit?
There is no fixed limit. Files up to about 200 MB work on most computers; very large files depend on your device memory.
Keep going
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