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Sign PDF

Sign contracts, forms and letters in a minute. Your signature is created on your device and saved in this browser for next time if you like.

Free, no sign-up. Runs in your browser: nothing is uploaded.

How to use Sign PDF

  1. Open a PDF.
  2. Draw, type or upload your signature.
  3. Place it on the page, add a date if needed, and download.

Features

  • Draw with mouse, finger or stylus
  • Typed signatures in handwriting styles
  • Upload a photo of your signature
  • Add date and initials
  • Remembered for next time (optional)

Supported formats

You can open

  • PDF

You get

  • PDF

Private by design

Your files are opened and processed by your browser on this device. They are never uploaded to openWorkstand or anyone else, so the Sign PDF is safe for contracts, IDs, photos and work documents, and it keeps working offline once the page has loaded. How local processing works

Good to know

  • This is a simple electronic signature. Some documents legally require a certified digital signature or a witness.
  • Password-protected PDFs must be unlocked first with Unlock PDF (you need the password).

When to use the Sign PDF

  • Sign a rental agreement without printing it.
  • Approve an invoice or a purchase order.
  • Add your initials to every page of a contract.

Examples

A rental or consent form

Open the form, create your signature by drawing, typing or uploading a photo of it, and place it on the signature line. Add the date next to it, then save the signed PDF. The original file is not changed.

Initials on every page

Some contracts ask for initials on each page. Add a text box with your initials (or type them as a signature), place it on the first page, then repeat on each page in the same corner before saving.

Troubleshooting

My signature looks thin or shaky

Drawing with a finger on a phone or a stylus usually looks more natural than a mouse. You can also type your name in a handwriting style, or upload a photo of a signature made with a dark pen on white paper.

The file does not open

Check that it is one of the supported formats above and opens in another app. Damaged files and password-protected PDFs cannot be read until they are repaired or unlocked.

It is slow or stops on a very large file

Everything runs on your device, so speed depends on its memory. Close other tabs, use a computer rather than a phone, or split the file into smaller parts first.

The download did not start

Look for your browser’s download bar or icon. Some browsers ask once before a site may download files; allow it and click the button again.

Frequently asked questions

Is this a legally binding signature?

In many countries a simple electronic signature like this is accepted for everyday agreements. Some documents require certified digital signatures; check the requirements that apply to you.

Are my files uploaded?

No. Your files are processed on your own device by your browser. They never leave your computer or phone, and there is no file size limit other than your device’s memory.

Step-by-step guides

Keep working with the result

After you download, choose “Save to Workstand” to keep the result in a folder on your computer, attach it to a project and create a follow-up task. It is saved by your browser, not uploaded.