Add stamps, signatures, QR codes, dates and watermarks to any PDF — placed exactly where you want them, baked into a clean export. Every byte stays in your browser.
No new tabs, no copy-paste, no waiting on an upload bar. Open, stamp, save — it all happens right where your file already is.
Launch PDFStamper on a local file or a PDF you already have open. It loads instantly — nothing is sent anywhere.
Place text, signatures, QR codes, dates, images or watermarks. Drag to reposition, snap to guides, align in groups.
Export a clean, flattened PDF with everything baked in — generated on your machine and downloaded straight to you.
From a quick "APPROVED" to court-ready Bates numbering, PDFStamper carries the precision tools of desktop software in a lightweight extension.
One panel, every marking you reach for — each shown here as it actually lands on the page. Mix and layer them freely.
Reusable APPROVED, REJECTED, CONFIDENTIAL, DRAFT & COPY presets, plus a layer stack you can show, hide, lock and duplicate.
Snap to grid and margins, distribute evenly, toggle rulers, and align selections left/center/right or top/middle/bottom.
Apply sequential, prefixed Bates stamps across every page — the legal-grade numbering discovery teams depend on.
Your file never touches a server. Rendering, stamping and export all run locally in your browser — offline-capable.
Export a reusable .pdfstamp recipe, restore an unsaved session, and re-apply your exact stamp layout to the next document.
Most PDF tools quietly ship your documents to a server to do the work. PDFStamper doesn't — there's no server in the loop at all. Contracts, IDs, financials and signatures stay on the one machine they belong to.
Open · stamp · export — all here
Your file never goes here
Start from polished, ready-made stamps — then tweak the color, size and rotation to taste, or save your own.
Add PDFStamper to Chrome and put a clean, professional mark on any document — without a single byte leaving your device.