Sign PDF free
Use LocalSign to add a signature mark to a PDF for free. Draw your signature, upload a signature image, add text or a date, and download the updated PDF from your browser.
Why this is useful
Many PDFs that need a signature contain private information. LocalSign keeps the document on your device while you place the signature mark, so there is no file upload and no account to create.
How to use it
- Open the editor and choose a PDF, or try the sample PDF.
- Draw a signature or upload a signature image.
- Place and resize the signature where it belongs.
- Download the updated PDF from your browser.
Good to know
- Adds a visual signature mark only.
- Does not verify identity, certify signatures, or guarantee legal validity.
- Very large PDFs depend on your browser and device memory.
FAQ
Is LocalSign free to use?
Yes. LocalSign is free to use, with no account required.
Is my PDF uploaded?
No. The PDF is processed locally in your browser and is not uploaded to a server.
Is this a certified signature?
No. LocalSign adds a visual signature mark and does not provide certified or verified signatures.
Privacy & honesty
Your documents stay on your device — LocalSign has no servers that receive your files. Signatures, stamps, highlights, shapes, and other annotations are visual changes created by you. LocalSign does not verify, certify, notarize, or legally validate documents.