Validate Signature
Check a document’s digital signature.
Free · runs in your browser
Almost ready
This tool is on the way and will be free when it lands. In the meantime, the tools on the home page all work today — free, and no sign-up needed.
Use Validate Signature online to check a document’s digital signature — just add your PDF and download the result.
How to validate signature
- Upload your PDF. Drag and drop your PDF onto the Validate Signature page, or click to browse and select it.
- Set your options. Adjust the available settings so Validate Signature produces exactly the result you need.
- Download the result. Everything runs in your browser; your finished file downloads instantly.
Frequently asked questions
Is Validate Signature free?
Yes. Validate Signature is completely free to use, with no sign-up, no watermarks, and no limits on how often you use it.
Is it safe to use Validate Signature?
Yes. Validate Signature runs entirely in your browser, so your PDF is processed on your own device and isn’t uploaded to a server.
Do I need to install anything or create an account?
No. Validate Signature works in any modern web browser — there’s nothing to download and no account required.
What files can I use with Validate Signature?
Validate Signature accepts PDFs. Files up to 100 MB are supported.