PDFCanon — Deterministic PDF Normalization & Canonical Hashing API
Convert untrusted PDFs into structurally normalized, canonical documents with stable SHA-256 hashes and compliance-ready audit reports.
PDFCanon strips JavaScript, embedded files, launch actions, and incremental revisions from uploaded PDFs. The result is a deterministic, hardened document with a stable canonical hash.
Key Features
- ✓ Deterministic structural normalization
- ✓ Canonical SHA-256 hashing
- ✓ JavaScript and active content removal
- ✓ Incremental update elimination
- ✓ Metadata canonicalization
- ✓ JSON compliance reports
- ✓ Webhook notifications
- ✓ Free tier — 100 PDFs/month, no credit card
Pricing
Free: $0/mo (100 PDFs) | Starter: $99/mo (10,000 PDFs) | Growth: $249/mo (50,000 PDFs) | Pro: $499/mo (200,000 PDFs)
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