Simple Professional Tool to Sign PDF Documents
Online PDF signing is made easy with the handy PDF signature tool — sign PDF files and other documents in seconds with no downloads needed.
Supports PDF, DOC, DOCX, JPG, PNG
Files stay private
Signing PDFs has always been a struggle, but with pdf.net, I can easily do it even from my phone without any downloads.
John Thompson
Legal assistant, uses pdf.net daily
Drop file here to sign
Supports PDF, DOC, DOCX, JPG, PNG
Files stay private
Start editing your PDF
I managed to change text, annotate the file, reorganize pages, and convert my document from and to PDF, all with a single editing tool. Just amazing.
Latoya Jenkins
Head of Accounting
How to sign a PDF file
1
Upload your file
2
Add your digital signature to it
3
Download the signed file
Why people prefer pdf.net
Simple and easy for daily use
Our online PDF editor features a clean, intuitive, and user-friendly interface designed for amateurs and professionals alike. You can navigate it with ease and edit your PDF file, even if you’ve never done it before.
All-in-one PDF editor
Our editor offers a robust and comprehensive set of features that allow you to customize your documents, merge them, sign them, and much more. No need to transfer your files between several applications anymore.
Keeping formatting without issues
No more messy documents and inconsistent formatting across multiple systems or devices. Our online PDF editor is cross-platform compatible and maintains uniformity whether you’re using a PC, MacOS, smartphone, or tablet.
People all over the world trust pdf.net to edit their docs
I used many online editors, but this is the first one that consistently maintained formatting when I converted PDF into DOC and PNG files.
Astrid Larsen
Freelance graphic designer
I used many online editors, but this is the first one that consistently maintained formatting when I converted PDF into DOC and PNG files.
Astrid Larsen
Freelance graphic designer
This editor instantly became my go-to for PDFs because it makes adding and rewriting text easy and intuitive.
Rajesh Patel
Student at UCLA
I had a long PDF file that I needed to split into ten shorter documents. This online PDF editor helped me do that in under five minutes.
Wei Zhang
Provides tax consulting services
I had half an hour to edit and sign one PDF before sending it to the client, and this tool saved my day.
Maria Hernandez
Real estate agent
Frequently asked questions
Is your eSignature tool legally binding?
Yes, the eSignature tool is legally binding, as it simply uses a digital copy of your signature. When you eSign PDF files, you express your approval of the content of the documents just as you would with a handwritten signature.
How secure is my document after signing?
Your document is completely secure after signing, as our servers use advanced end-to-end encryption to ensure maximum privacy.
Are there any limitations on the file size?
There is a 20 MB file size limit to the documents you can upload to pdf.net. If you want to add your electronic signature to PDF files that are larger than 20 MB, we recommend compressing the document first to reduce its size.
Do I need to install any software to use the signature tool?
You don’t need to install any software to use our signature tool; you can simply sign PDFs online by uploading your documents and adding your signature.
Can I add multiple signatures to a PDF?
You can’t add multiple signatures to a PDF at once. You can only insert one signature on PDF files at a time. If you want to add multiple signatures, you can repeat the process for adding PDF signatures.
Can I use pdf.net on a Mac, Linux, or smartphone?
You can use pdf.net on a Mac, Linux, or smartphone to sign PDF documents. The online PDF editor offers the same functionality and ease of use, regardless of the device type.