# Third-Party Notices

OKURAZU v1.9.4 includes the following libraries and data files. All files are served locally from the site; no CDN is used at runtime.

## pdf-lib 1.17.1

- Purpose: PDF merge, split, extraction, and metadata handling
- Repository: https://github.com/Hopding/pdf-lib
- License: MIT
- License text: `vendor/pdf-lib/LICENSE.md`

## fflate 0.8.3

- Purpose: ZIP creation for split PDFs and multiple processed images
- Repository: https://github.com/101arrowz/fflate
- License: MIT
- License text: `vendor/fflate/LICENSE`

## ExifReader 4.44.0

- Purpose: Metadata inspection for JPEG, TIFF, PNG, AVIF, WebP, GIF, JPEG XL, and related formats
- Repository: https://github.com/mattiasw/ExifReader
- License: MPL-2.0
- License text: `vendor/exifreader/LICENSE`

## PDF.js 6.3.289

- Purpose: Render PDF pages as local thumbnails for merge and split previews
- Repository: https://github.com/mozilla/pdf.js
- License: Apache-2.0
- License text: `vendor/pdfjs/LICENSE`

### PDF.js bundled CMaps and ICC profiles

- CMaps license: `vendor/pdfjs/cmaps/LICENSE`
- ICC profiles license: `vendor/pdfjs/iccs/LICENSE`

### PDF.js bundled standard fonts

- Foxit font license: `vendor/pdfjs/standard_fonts/LICENSE_FOXIT`
- Liberation font license: `vendor/pdfjs/standard_fonts/LICENSE_LIBERATION`

### PDF.js bundled WebAssembly components

- JBIG2: `vendor/pdfjs/wasm/LICENSE_JBIG2` and `vendor/pdfjs/wasm/LICENSE_PDFJS_JBIG2`
- OpenJPEG: `vendor/pdfjs/wasm/LICENSE_OPENJPEG` and `vendor/pdfjs/wasm/LICENSE_PDFJS_OPENJPEG`
- QCMS: `vendor/pdfjs/wasm/LICENSE_QCMS` and `vendor/pdfjs/wasm/LICENSE_PDFJS_QCMS`

## Generated social preview

- File: `assets/okurazu-social-preview.png`
- Purpose: Open Graph and social sharing preview
- Created for OKURAZU v1.9.2