Add PDF Border
EditFrame your PDF with a clean coloured border. Choose width, colour and inner padding — perfect for handouts, certificates and printable templates.
How to use Add PDF Border
- Open this page in any modern web browser — no download or installation required.
- Click Add file or drag and drop your PDF onto the drop zone.
- Adjust the available settings to fit your needs.
- Click the action button and save the processed file — the result is ready instantly.
Files never leave your browser. No upload to any server.
Processing runs locally on your device. No queues, no waiting.
No signup, no watermarks, no limits. Use as many times as you like.
Why use Add PDF Border on PDF Modern?
PDF Modern’s add pdf border tool processes your file entirely within your web browser using modern WebAssembly technology. Unlike traditional online PDF services that require uploading your documents to remote servers, your files never leave your device — ensuring complete privacy and security. Processing happens at the full speed of your CPU, not limited by upload or download bandwidth, so even large files are handled in seconds. There are no file-size restrictions, no daily usage caps, no watermarks on output, and no account creation needed. It is a fully free, open tool built for everyday document workflows at home, school or the office.
Frequently asked questions
Does the border crop my content?
No — the border sits inside the existing page area and never overwrites your content.
Can I use a double border?
Yes — pick the "double" style for an elegant inner-outer line, perfect for certificates.