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Sign PDF Online Free | WorkinTool

WorkinTool PDF Signer is a free online tool that can sign a PDF document electronically. The color, size, and location of the signature are optional. You can also save the e-signature to add to PDFs later.
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How to Sign a PDF Online Free

First Step
Upload a PDF file by selecting from the folder or dragging it. You can import a PDF that is within 2 MB.
Second Step
Design your signature. You can click the Store Signature button to use it next time.
Third Step
Adjust the location and size of the signature. Then press Download to save it to your local folder.

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How to Sign a PDF on Windows

If your file is more than 2 MB or you need to fill and sign a PDF at the same time, a more comprehensive desktop tool, WorkinTool PDF Signer , is recommended. The video below covers step-by-step tutorials on how to add a signature to a PDF on Windows.

WorkinTool Online PDF Signer Features

Free & Quick to Sign PDFs
Free & Quick to Sign PDFs
Our free online PDF signer can easily and quickly add signatures to PDF documents. No extra requests and hidden costs exist here.
Draw Personal Signature at Random
Draw Personal Signature at Random
With WorkinTool PDF signer, you can esign a document with a designed digital signature. You can adjust the color, size, and location of your signature.
Store Your Digital Signature
Store Your Digital Signature
With this feature, you don't have to make a signature every time. It is feasible to store the designed digital signature to add to PDF next time.
Guarantee File Security
Guarantee File Security
It will ensure the security of the uploaded contracts or other crucial PDF files. There is no backup for the uploaded file. Its server won't save or send your documents as well.
Sign PDF on Any Device
Sign PDF on Any Device
As an online tool, it is available on any device and system. You can use it to sign a PDF on Mac, Windows, iPhones, Androids, etc.

Desktop Software VS Online Tool

Desktop Software
Free Download For Win 11/10/8/7
Data privacy and information security are ensured
Faster uploading and downloading speed
No ads involved
Multiple PDF editing tools
Fill and sign a PDF together
No restrictions on uploaded files
Only for Windows
Online Tool
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No backup for uploaded PDF files, security is guaranteed
Stable uploading speed
No need to download, sign PDF everywhere with the Internet
No update hassle
Only for sign PDF
The maximum size of each uploaded file is 2 MB

WorkinTool PDF Signer

Start Free Trial Right Now!
Download our free desktop PDF signer. It can not only add a signature to PDF documents but also fill PDF with text, notes, and other contents. Other PDF converting and editing trouble can also be solved here.
Free Download For Win 11/10/8/7
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