Sign PDF
Add your signature to any PDF — type, draw, or upload an image. Free to sign, no account needed.
- 🔒 Files deleted after 1 hour
- ⚡ Secure 256-bit SSL
- ⭐ 4.8/5 from 12k+ users
The ultimate solution to convert and manage PDF documents with ease
PDFSwitch AI meets all requirements to convert, edit and manage your PDF documents.
PDF editing made easy
Edit your PDFs effortlessly with our intuitive tools. Add text, images, annotations, or even e-signatures, all in just a few clicks.
100% safe and secure
PDFSwitch AI keeps your documents and privacy safe. You can boost security with features like file password encryption, encrypted storage, and more.
15 million people, 180 countries, one simple tool
More than PDF editing, much more
How to sign pdf
- Upload your PDFDrag & drop your file into the upload area, or click to browse.
- Add your signatureThe editor opens with the Sign panel ready. Type, draw, or upload a signature image, then place it on the page.
- Place initials, dates & checksDrop in initials, today's date, or checkmarks anywhere you need them.
- Download your signed PDFClick Done to export your signed document.
Why choose PDFSwitch AI
All-in-one PDF editor
Sign, edit, annotate, convert and protect — everything in one browser tab, no installs.
Serious about privacy
Your file is encrypted in transit and automatically deleted within 1 hour. Your signature never leaves your control.
No setup needed
Works on Windows, macOS, iOS and Android straight from the browser. Sign anywhere, on any device.
Type, draw or upload
Create a signature the way you like — pick a cursive font, draw with your mouse or finger, or upload an image.
Legally useful fields
Add initials, auto-stamp today's date, and drop checkmarks for forms and agreements.
Fast and intuitive
No technical skills required — upload, sign, and download in seconds.
Frequently asked questions
Is signing a PDF free?
Yes — signing is free. You only pay when you download the finished document.
Can I draw my own signature?
Yes. You can type a signature in a cursive font, draw it with your mouse or finger, or upload an image of your handwritten signature.
Are my documents safe?
Files are encrypted in transit and automatically deleted within 1 hour. We never share your documents.
What file size can I sign?
Up to 100 MB per PDF on the free tier.