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English and Chinese are currently available.
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English and Chinese are currently available.
3-step PDF stamping flow
Upload a PDF, add stamps, signatures, or marks, and export a ready-to-send file in one flow.
Get Started
Choose Upload PDF for your file, or Try sample PDF to experience the full flow instantly.
Upload a PDF, place stamps, signatures, shapes, and sketch marks directly on top, then export a new PDF.
Upload a PDF, choose a stamp preset, click anywhere to place it, then download the result.
01
Step 1 Upload PDF
Upload your local PDF and let the workspace render pages.
02
Step 2 Add stamp
Choose a stamp/signature preset, click to place, drag to adjust.
03
Step 3 Download
Export a new stamped PDF in one click.
Drop a PDF here, or click to upload
Click "Choose PDF" in the workspace, then pick a stamp preset and click on the page to place it.
Need a custom seal first? Design it in Stamp Generator, then return to stamp your PDF.
Open Stamp GeneratorPage previews stay on the left, editing stays in the middle, and page-level layer groups stay on the right.
Mix approval stamps, signatures, shape callouts, and freehand review marks in one flow.
Duplicate or remove pages, keep overlays grouped by page, and export the revised PDF order.
AI Summary
Add Stamp to PDF is a free browser tool that lets you add stamps, signatures, and annotations to PDFs in seconds. Features include a three-column workspace with page thumbnails, a central editing canvas, and per-page layer management for precise stamp placement. No signup required—upload, stamp, and export directly from your browser with local processing for privacy.
4.9(1893)
Why users trust this PDF stamping tool
From upload to stamped export, everything stays in one browser flow.
Upload PDFs and add stamps without upfront cost.
Try the stamping workflow before committing to an account.
Smart stamp placement and layer management for faster workflows.
PDFs are processed in your browser, keeping documents private.
Export stamped PDFs without watermarks or quality loss.
See stamp changes immediately before final export.
Use Cases
From contract approval to invoice stamping, these are the most common ways users apply stamps to PDF documents.


Don't just place stamps randomly. Our three-column interface helps you manage stamps, signatures, and annotations with per-page precision.
Don't just place stamps randomly. Our three-column interface helps you manage stamps, signatures, and annotations with per-page precision.

Combine stamps, signatures, and annotations in one interface for complete PDF document preparation.
Combine stamps, signatures, and annotations in one interface for complete PDF document preparation.

From contract approval to invoice stamping, these capabilities cover the most common PDF annotation workflows.
Upload PDFs and preview each page before adding stamps and annotations.

Position stamps, signatures, and shapes precisely on any PDF page.

Organize stamps in layers with independent control for each element.

Add freehand annotations, review marks, and custom sketches to documents.

Duplicate, delete, or reorder pages before exporting the final PDF.
Who it is for
The tool fits people who need to add stamps, signatures, and annotations to PDF documents.
Add company seals and approval stamps to contracts and agreements before final export.
Apply approval stamps and signatures to invoices, receipts, and payment documents.
Add signatures and legal stamps to agreements, confirmations, and legal documents.
Stamp official documents, internal forms, and company correspondence efficiently.
Add review marks, comments, and annotations to documents during approval processes.
Apply business stamps and signatures to quotes, orders, and customer documents.
Comparison
The difference is not just placing stamps, but managing the full annotation workflow with per-page control.
| Feature | Add Stamp to PDF | Generic PDF editor | Desktop software | Manual service |
|---|---|---|---|---|
| Getting started | ✅ Upload and start immediately | ⚠️ Often requires account | ❌ Software installation | ⚠️ Wait for service provider |
| Three-column workspace | ✅ Thumbnails + edit + layers | ⚠️ Single view mostly | ⚠️ Custom setup needed | ❌ No direct control |
| Multiple stamp types | ✅ Stamps + signatures + shapes + freehand | ⚠️ Limited stamp options | ✅ Possible with effort | ⚠️ Depends on provider |
| Per-page layer control | ✅ Independent layer groups per page | ❌ Basic layer support | ⚠️ Manual management | ❌ No transparency |
| Page operations | ✅ Duplicate, delete, reorder pages | ⚠️ Basic page control | ⚠️ Not PDF-focused | ⚠️ Requires communication |
| Instant preview | ✅ Real-time stamp preview | ✅ Usually good | ✅ Yes | ❌ Revision delays |
| Privacy | ✅ Local browser processing | ⚠️ Cloud-based | ✅ Local processing | ❌ Shared with provider |
| Cost | ✅ Free to start | ⚠️ Freemium limits | ❌ Subscription required | ❌ Per-document cost |
| PDF export | ✅ Direct PDF export with stamps | ⚠️ May need conversion | ⚠️ Export settings needed | ⚠️ Delivery format varies |
| Overall efficiency | ✅ Purpose-built for PDF stamping | ⚠️ General-purpose tool | ⚠️ Powerful but complex | ❌ Slower turnaround |
Real workflows from users who stamp PDFs regularly
The ability to place company seals on contracts and manage them by page saves hours compared to manual printing and scanning.
We stamp hundreds of invoices monthly. The per-page layer management makes batch processing much cleaner.
Common questions about adding stamps to PDF documents
Upload, stamp, and export
No registration required. Upload your PDF, add stamps and signatures, and download the stamped result.
Generate an approval stamp, company seal, or name stamp before placing it on the PDF
Try AI Stamp Generator →Extract a clean transparent stamp image from scans before using it in your PDF workflow
Try Stamp Extractor →





Contract approval workflows
Place company seals and approval stamps on contracts and agreements before final export.
Invoice and receipt stamping
Apply finance stamps and approval marks to invoices, receipts, and payment documents.
Document annotation and review
Add signatures, shape callouts, and freehand marks for document review and feedback.
Multi-page stamp application
Apply stamps across multiple pages with per-page layer management and preview.

Export the stamped PDF with all annotations applied and ready for use.

Adding signatures and approval marks directly in the browser without installing software is exactly what our team needed.
The ability to place company seals on contracts and manage them by page saves hours compared to manual printing and scanning.
We stamp hundreds of invoices monthly. The per-page layer management makes batch processing much cleaner.
Adding signatures and approval marks directly in the browser without installing software is exactly what our team needed.
The ability to place company seals on contracts and manage them by page saves hours compared to manual printing and scanning.
We stamp hundreds of invoices monthly. The per-page layer management makes batch processing much cleaner.
Adding signatures and approval marks directly in the browser without installing software is exactly what our team needed.
The ability to place company seals on contracts and manage them by page saves hours compared to manual printing and scanning.
We stamp hundreds of invoices monthly. The per-page layer management makes batch processing much cleaner.
Adding signatures and approval marks directly in the browser without installing software is exactly what our team needed.
* These represent typical workflow scenarios rather than specific user endorsements.