New Features:
- Add Deskew PDF tool for straightening scanned/skewed PDF pages
- Add Font to Outline tool for converting text to vector paths
- Add translations for new tools in all supported locales (de, en, id, it, tr, vi, zh)
Improvements:
- Migrate GitHub issue templates from markdown to YAML forms
- Separate templates for bug reports, feature requests, and questions
- Add config.yml for issue template chooser
- Update sitemap.xml with new tool pages
- Update ghostscript loader and helper utilities
- Add CID inline image support via base64 data URI replacement
- Implement clickable link extraction from HTML anchors using regex
- Embed email attachments into PDF using pymupdf embfile_add
- Reduce font sizes for more compact PDF output (18px subject, 12px body)
- Format date with timezone (UTC+HH:MM) while preserving original time
- Clean email address formatting (Name (email) instead of <brackets>)
- Add UI options: page size selector, CC/BCC toggle, attachments toggle
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
