New Features:
- Digital Signature tool: Sign PDFs with X.509 certificates (PFX/PEM)
- Visible and invisible signatures
- All pages, first page, last page, or custom page selection
- Dynamic signature height based on text content
- Custom signature text, image, and styling options
- Validate Signature tool: Verify digital signatures in PDFs
- Extract and parse PKCS#7 signatures
- View signer and issuer certificate details
- Check certificate validity and expiry
- Optional custom X.509 certificate for trust verification
- Full/partial coverage detection
Infrastructure:
- Added Cloudflare Worker CORS proxy for certificate chain fetching
- Updated README with new tools and proxy deployment instructions
Documentation:
- Added Digital Signature and Validate Signature to README tools table
- Added CORS proxy deployment guide for self-hosters
- Add new tool to apply cryptographic signatures to PDFs using X.509 certificates
- Support PKCS#12 (.pfx, .p12) and PEM certificate formats
- Create PKCS#7 detached signatures compatible with all major PDF viewers
- Optional visible signature with customizable position, image, and text overlay
- Add translations for English, German, Vietnamese, and Chinese
- Add post-processing step using pdf-lib to fix ISO 19005-2/3 clause 6.2.10
- Add Group dictionaries with ICC-based color space to all pages
- Fix XObjects (Form XObjects) that have DeviceRGB in their Group dictionaries
- Reference OutputIntent's ICC profile as the blending color space
- Enable page compression for smaller output files
This ensures PDFs with transparency pass VeraPDF validation for PDF/A-2b and PDF/A-3b.
- Centralize CDN versions/URLs in cdn-version.ts
- Switch LibreOffice to @bentopdf/libreoffice-wasm package
- Fix service worker fallback to support all WASM packages
- Remove dead code and silence production logs
