Verify Stamps Wherever You Work
Browser extensions, desktop integrations, and QR verification bring StampLedger directly into your existing workflow. No context switching.
Browser Extension
Verify PE stamps and check document integrity without leaving your browser. Works with Chrome, Edge, and other Chromium-based browsers.
- Instant Stamp Lookup
Enter any stamp ID to see full verification details, PE info, and license status
- Document Integrity Check
Upload a PDF to verify it hasn't been altered since it was stamped
- Right-Click Verification
Right-click any StampLedger verification link to verify inline
- Auto-Detection
Automatically detects and highlights StampLedger verification links on any page
SHA-256 hash matches stamp record. Document has not been modified since stamping.
Adobe Acrobat Extension
Verify engineering documents directly inside Adobe Acrobat Pro or Reader. One-click document hash verification from the StampLedger menu.
- Verify Current Document
Hashes the open PDF and checks it against all stamp records
- Stamp Lookup by ID
Enter any stamp ID to view full details and verification status
- Add Stamp Annotations
Add visual verification stamps with QR codes directly to PDFs
QR Code Verification
Every stamped document includes a QR code that links to its blockchain-verified record. Scan with any smartphone camera — no app required.
- No App Required
Works with the built-in camera app on iOS and Android
- Rich Verification Page
Shows PE details, license info, project info, and blockchain verification status
- Document Integrity Check
Upload the document on the verify page to confirm it hasn't been altered
- Printable Certificates
Generate and print official verification certificates for your records
Scan to see a live verification example
More Integrations Coming
We're building integrations with the tools engineers and inspectors use every day
Bluebeam Revu
Studio Session integration for real-time stamp verification. Verify stamps directly from Bluebeam markups.
Coming Q3 2026REST API
Full REST API for custom integrations with permit software like Accela, CityView, and Tyler Technologies.
Available NowMobile Apps
Native iOS and Android apps for inspectors with offline verification and GPS-tagged inspections.
Coming Q3 2026Build Your Own Integration
Our REST API gives you full access to stamp verification, document integrity checking, and verification certificates.
- Public verification endpoints (no auth required)
- Document hash verification
- Printable verification certificates
- Extension auth tokens for desktop apps
Body: { "sha256Hash": "..." }