- Add `generate-i18n-pages.mjs` script to pre-render localized HTML files at build time
- Add `generate-sitemap.mjs` script to generate language-aware sitemap.xml
- Create `navbar-simple.html` and `footer-simple.html` partials for simple mode
- Update all 80+ tool pages with language routing support
- Expand supported languages to 12: en, de, es, fr, it, pt, tr, vi, id, zh, zh-TW
- Update i18n.ts with new language names and support configuration
- Implement languageRouterPlugin in vite.config.ts for dev server routing
- Update nginx.conf for production static file serving from language directories
- Update TRANSLATION.md with new architecture documentation and language addition guide
- Fix relative paths in 404.html for static deployment compatibility
- Update package.json with new build scripts and dependencies
- Improves SEO through static pre-rendering and proper sitemap generation
## Simple Mode Enhancements
- Add `simple-index.html` as dedicated homepage for Simple Mode
- Hide marketing sections (FAQ, How It Works, Related Tools) on tool pages
- Add simplified navbar and footer for tool pages in Simple Mode
- Configure vite preview server to handle language-prefixed URLs
## Language Routing
- Add middleware to rewrite language-prefixed URLs (e.g., /de/merge-pdf.html)
- Support all languages: en, de, es, fr, id, it, pt, tr, vi, zh, zh-TW
- Create .htaccess with internal rewrites for Apache/Hostinger hosting
## Translation Updates
- Add missing translations for digitalSignPdf, validateSignaturePdf,
emailToPdf, fontToOutline, deskewPdf to es, pt, tr, zh-TW
- Add Digital Signature and Validate Signature to homepage translation keys
- Fix language regex patterns to include all supported languages
- Fix typo in encrypt-pdf.html
- Extract navbar component from index.html into src/partials/navbar.html
- Extract footer component from index.html into src/partials/footer.html
- Add update-partials.js script to automate partial injection into page templates
- Update all 80+ page templates to use injected navbar and footer partials
- Update vite.config.ts to support partial file processing
- Update package.json and package-lock.json with build script changes
- Sync all translation files (de, en, fr, id, it, pt, tr, vi, zh, zh-TW) with latest keys
- Improves maintainability by centralizing navbar and footer updates across all pages
- 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
- Simplify Dockerfile by removing redundant BASE_URL handling logic and complex RUN commands
- Change SIMPLE_MODE default from true to false for production builds
- Fix indentation inconsistencies in Dockerfile conditional statements
- Move favicon link tags from body to head section in all HTML files for proper semantic structure
- Replace inline favicon links with img tag in navigation logo across all pages
- Update README.md documentation to clarify BASE_URL trailing slash requirements
- Remove commented-out legacy Dockerfile code for cleaner maintenance
- Consolidate favicon declarations in document head for better performance and SEO
