Add DRAFT, CONFIDENTIAL, watermarks, or custom stamps to your PDFs. Fast, secure, and works entirely in your browser.
No signup required • Free tier available
Drop PDFs here
Trusted by freelancers and small teams worldwide
No complex software. No signup. Just choose your PDF and stamp.
Process hundreds of PDFs in seconds. No server upload means instant results.
Files never leave your browser. Zero server storage. Your documents stay yours.
Choose multiple PDFs at once. Stamp them all with the same settings in one click.
Pick any color for your stamps. Match your brand or use classic red for DRAFT.
Place stamps anywhere — corners, center, or diagonally across the page.
One-click stamps for DRAFT, CONFIDENTIAL, COPY, FINAL and custom text.
It's so simple, you'll wonder why you didn't try it sooner.
Drag and drop or click to select. Supports batching multiple files.
Choose text, color, size, opacity, and position. See a live preview instantly.
Get all your stamped files instantly. Download individually or all at once.
Built for freelancers, consultants, and small teams.
Mark contracts as "DRAFT" before sending to clients.
Add "CONFIDENTIAL" stamps to sensitive legal files.
Mark paid invoices or add "COPY" to duplicates.
Add date stamps or "FINAL" to completed reports.
Don't just take our word for it.
"Saved me hours every week. I used to stamp PDFs one by one — now it's just drag, click, done."
Michael Kim
Freelance Consultant
"The privacy aspect is huge for me. Files never leave my computer. That's peace of mind you can't put a price on."
Sarah Rodriguez
Attorney
"Bulk stamping is a game changer. I process 50+ contracts a month and PDFStamp handles it in minutes."
James Chen
Real Estate Agent
Start free. Upgrade when you need more.
Perfect for occasional use
For freelancers & power users
For teams & high volume
Got questions? We've got answers.
Yes! All processing happens in your browser. Your files never leave your device — we don't have a server to store them on.
Currently PDF files are supported. We're working on adding more formats in future updates.
Once you've loaded the page once, PDFStamp works offline! Your browser caches everything you need.
Free users can stamp PDFs up to 25MB each. Pro users get up to 100MB per file.
Choose multiple PDFs at once, configure your stamp settings once, and all files get stamped with identical settings. Download individually or together.
Absolutely. Cancel your subscription anytime with no penalties. Your files and templates are saved for 30 days.
Join thousands of freelancers who save hours every week.
Start Stamping FreeNo signup required • Works in your browser