Add Stamps

Add image stamps to your PDF using the annotation toolbar.

This name will appear on stamps you create.

Click to select a file or drag and drop

PDF file

Your files never leave your device.

How to Add Stamps to PDF

1

Upload PDF

Select your PDF document. All processing happens locally - your files never leave your device.

2

Add Stamps

Use the stamp tool to place, resize, and rotate stamps. Add approval marks, signatures, or custom images.

3

Download PDF

Download your stamped PDF with all annotations embedded. Original content remains unchanged.

Best Practices for PDF Stamping

Recommended Uses

  • Adding approval stamps to contracts
  • Placing confidential labels on sensitive documents
  • Inserting digital signatures on forms
  • Adding date stamps to invoices and receipts

Tips & Warnings

  • Use PNG with transparency for best stamp appearance
  • Stamps are embedded as annotations (compatible with all PDF readers)
  • For advanced editing, use our Edit PDF tool

Frequently Asked Questions

You can use multiple image formats for stamps:

  • PNG: Recommended for stamps with transparency
  • JPG/JPEG: Suitable for photographic stamps
  • SVG: Vector format for sharp scaling
  • WebP: Modern format with good compression
  • Transparent backgrounds work best for clean overlays

Yes, you have full control over your stamps:

  • Before saving: You can resize, rotate, move, or delete stamps in the editor
  • After saving: Stamps become embedded annotations that can be edited in most PDF editors
  • Editing: Re-upload the PDF to make changes to existing stamps

Yes, stamps added using our tool are compatible with:

  • Adobe Acrobat Reader (all versions)
  • Preview (macOS)
  • Microsoft Edge and Chrome PDF viewers
  • Foxit Reader and other third-party PDF readers
  • Mobile PDF apps on iOS and Android
  • Professional PDF editors for further modification

No, the original PDF content remains completely unchanged:

  • Stamps are added as separate annotation layers
  • Original text, images, and formatting are preserved
  • No quality loss to existing content
  • File size increases minimally (typically 5-20KB per stamp)
  • Use our Compress PDF tool if file size is a concern

While this tool doesn't save stamp libraries locally, you can:

  • Save your custom stamp images to a folder on your device
  • Upload the same images each time you need them
  • Create templates with frequently used stamps
  • Bookmark the tool for quick access to your stamp images

Related PDF Tools

Sign PDF

Draw, type, or upload your signature.

Edit PDF

Annotate, highlight, redact, comment, add shapes/images, search, and view PDFs.

Watermark PDF

Stamp text or an image over your PDF pages.

Remove Annotations

Strip comments, highlights, and links.