Apply Letterhead
EditPick a letterhead PDF (just the first page is used) and apply it as a background or overlay on every page of another PDF.
How to use Apply Letterhead
- 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 Apply Letterhead on PDF Modern?
PDF Modern’s apply letterhead 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
What is a letterhead PDF?
A 1-page PDF with your branding, header and footer — typically created in Word or Canva and exported to PDF.
Can I put it behind the content?
Yes — choose "Behind" so your text stays on top, or "Over" to overlay a watermark style.