Open-source licenses

Open-source software used by this site and its free web tools. The source code and full license text of each are in its repository. The GIF tools and ZIP saving are LumiBear’s own code.

• Mediabunny MPL-2.0

  Video compressor · Video trimmer

• PDF.js (pdfjs-dist) Apache-2.0

  Merge PDF · Split PDF (page previews)

• pdf-lib MIT

  Merge PDF · Split PDF · Images to PDF

• heic-to (libheif, libde265) LGPL-3.0

  Reading HEIC photos (image compressor · HEIC to JPG · images to PDF). Loaded as a separate file only when a HEIC photo is opened, used unmodified. libheif source: github.com/strukturag/libheif

• Pretendard SIL OFL 1.1

  Korean typeface

• Nunito SIL OFL 1.1

  Latin typeface