How to Add Stamp to PDF Free
Follow this simple 4-step guide to add a stamp to any PDF document online — completely free, no software download required.
✓ 100% free to start ✓ No account needed ✓ Works on any device
Watch the full process: upload PDF, place your stamp, and download — all for free.
More Tutorials →4 Steps to Add a Stamp to PDF Free
Open the Stamp Tool
Go to StampDocs and click "Add Stamp to PDF". The tool opens in your browser — works on Windows, Mac, iPhone, and Android. No registration required for basic use.
Upload Your PDF
Drag and drop your PDF file into the upload area, or click to browse your computer. Multi-page PDFs are fully supported — you can stamp any page.
Upload Your Stamp Image
Upload your stamp image — PNG (recommended), JPG, or SVG. Use a transparent PNG for the cleanest result. Click anywhere on the PDF to place the stamp, then drag corners to resize.
Download Stamped PDF
Preview your stamped document, then click Download. Your original PDF stays unchanged — you get a new file with the stamp embedded. Share or print as needed.
Tips for Best Results
Use Transparent PNG
Avoid white boxes around your stamp — export as PNG with transparency
High Resolution
Use at least 300 DPI stamp images for crisp, professional results
Stamp Multiple Pages
Navigate between pages and place stamps on each page individually
Save Your Stamps
Create an account to save stamp images for quick reuse across documents
Why Stamp PDFs Online for Free?
Desktop PDF editors like Adobe Acrobat charge monthly fees and require installation. StampDocs lets you add stamps to PDF files directly in your browser — free to start, with no learning curve. Upload, click, download. Done in under a minute.
Whether you need to stamp an invoice as PAID, add a company seal to a contract, or mark a document as APPROVED, the free online tool handles it without printing or scanning.
Under 1 Minute
Upload, stamp, download. The fastest way to add a stamp to PDF free.
Safe & Private
HTTPS encrypted. Files auto-deleted. Your documents stay private.
Any Stamp Image
Company seal, approval mark, signature — upload any PNG, JPG, or SVG.
FAQ
How do I add a stamp to a PDF for free?
Open StampDocs, upload your PDF and stamp image, click to place the stamp, and download. Free daily stamping included.
Do I need to install software to stamp a PDF?
No. Everything runs in your browser. No download or plugin required.
What stamp image format works best?
PNG with transparent background. JPG and SVG also work.
Can I add multiple stamps to one PDF?
Yes. Place stamps on any page and resize each one independently.
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Add a stamp to your PDF in 4 simple steps. No software, no credit card.
Add Stamp to PDF Free