Add Stamps
Stamp PDF online, free: apply preset stamps or upload your own image, controlling position, size and opacity.
Apply electronic stamps to a document: use a built-in preset or upload your own stamp image, then set position, size, opacity and rotation per page.
Stamps can be applied to specific pages or page ranges, which suits batch confirmation, approval and archiving workflows.
Everything runs locally in your browser — nothing is uploaded to any server.
How to use
- Upload a PDF — Drop in the document to stamp.
- Choose or upload a stamp — Set position, size and opacity.
- Apply and download — Pick the target pages and export.
Related tools
- Sign PDF — Draw / type / image signature, click to place
- Edit PDF — Add text, highlights and box marks
- Add Watermark — Stamp text or image watermarks with tiling, rotation and CJK support
- Add Page Numbers — Add page numbers with position, format and start number options
- Bookmarks — Read existing bookmarks or build a new outline, Chinese supported
- Crop PDF — Drag a crop box or use presets — applies to all or selected pages
- Find & Redact — Search text and black it out, with per-match review
- Flatten PDF — Merge form fields into page content so they can no longer be edited
- Remove Annotations — Delete highlights, comments, links and all other annotations