Sign PDF Online
King Docs lets you add your signature to a PDF online, so you can sign contracts, forms and agreements without printing or scanning, right in your browser with no software to install. It's free to start, with paid plans for more.
- Free to start
- No software to install
- Works in your browser
Drop your PDF here
or choose a file from your device
Online tool coming soon
Why sign PDFs online?
Printing, signing and scanning takes time. Here's what changes when you sign on screen.
No printer, no scanner
Sign documents on the device you are already using, then send them straight back.
- No printing. Skip printing pages just to add a signature.
- No scanning. Your signed PDF is ready to send as soon as you have signed.
- Any device. Sign from a laptop, tablet or phone with a web browser.
What does signing a PDF online mean?
Signing a PDF online means placing your signature onto the page of a PDF document where it is needed. The signed file looks like the original with your signature in place, ready to save and share.
What you can do with Sign PDF
Practical ways to use Sign PDF.
1. Sign contracts and agreements
Return signed paperwork without leaving your desk.
- Sign employment and rental agreements
- Approve supplier and client contracts
- Countersign documents sent to you
2. Complete and sign forms
Fill in the details, then add your signature.
- Application and registration forms
- Consent and permission slips
- Expense and approval forms
3. Sign on the go
Handle paperwork from your phone or tablet when you are away from your desk.
- Sign while travelling
- Approve documents between meetings
- Got a Word file? Make it a PDF first
4. Keep signed documents organised
Put signed pages together and keep files tidy.
- Combine signed pages into one PDF
- Make signed files smaller before emailing
- Keep a clean copy for your records
Why King Docs
One place for every document.
Works in your browser
Use King Docs from any device with a web browser. There's nothing to download or install.
Every document tool in one place
Convert, compress, merge, split, sign and transcribe PDFs, images, audio and video without switching sites.
Free to start, with paid plans
Try the tools for free, then choose a paid plan when you need more.
Sign PDF FAQs
How do I sign a PDF online?
Add your PDF to the King Docs Sign PDF tool, place your signature where it is needed, then download your signed PDF. The online tool on this page is coming soon.
Is Sign PDF free?
King Docs is free to start, with paid plans for more.
Do I need to install any software?
No. King Docs runs in your web browser, so there is nothing to download or install.
Can I fill in a form before signing it?
Yes. Use Fill PDF to complete the form fields, then add your signature with Sign PDF.
Can I sign a Word document?
Convert it first with Word to PDF, then sign the PDF with Sign PDF.
Related tools
More ways to work with PDFs.
Ready to sign your PDF?
Add your signature in a few clicks, then explore the rest of the King Docs toolkit.