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Magnum

Image processing library · magnum.graphics

MIT License

Copyright © 2010–2024 Vladimír Vondruš and contributors

Corrade

C++ utility library · magnum.graphics/corrade

MIT License

Copyright © 2007–2024 Vladimír Vondruš and contributors

Magnum Plugins

Image format plugins (PNG, JPEG, WebP, KTX, DDS, etc.) · magnum.graphics

MIT License

Copyright © 2010–2024 Vladimír Vondruš and contributors

stb

Single-file image libraries (stb_image, stb_image_write, stb_image_resize2) · github.com/nothings/stb

MIT License / Public Domain

Copyright © 2017 Sean Barrett

libpng

Official PNG reference library · libpng.org

libpng License

Copyright © 1995–2024 The PNG Reference Library Authors

libjpeg-turbo

JPEG codec with SIMD · libjpeg-turbo.org

IJG License / BSD-3-Clause / zlib License

Copyright © 2009–2024 D. R. Commander and contributors

libwebp

WebP codec library · Google

BSD-3-Clause License

Copyright © 2010 Google Inc.

Emscripten

C++ to WebAssembly compiler · emscripten.org

MIT License

Copyright © 2010–2024 Emscripten contributors

FFmpeg

Audio & video processing framework · ffmpeg.org

LGPL 2.1+ (GPL 2+ when compiled with x264 for the MP4 variant)

Copyright © 2000–2024 FFmpeg developers

Source code: FFmpeg n5.1.4. Build configuration available for download (zip).

ffmpeg.wasm

FFmpeg WebAssembly port · github.com/ffmpegwasm/ffmpeg.wasm

MIT License

Copyright © 2019–2024 ffmpegwasm contributors

x264

H.264 video encoder (used in MP4 variant) · videolan.org

GPL 2+

Copyright © 2003–2024 x264 project

Source code: x264 (4-cores branch)

libvpx

VP8/VP9 video codec (used in WebM variant) · Google

BSD-3-Clause License

Copyright © 2010–2024 Google Inc. and The WebM Project Authors

libopus

Opus audio codec (used in WebM variant) · opus-codec.org

BSD-3-Clause License

Copyright © 2001–2024 Xiph.Org Foundation, Skype Limited, and contributors

libogg / libvorbis

Ogg container and Vorbis audio codec (used in WebM variant) · xiph.org

BSD-3-Clause License

Copyright © 2002–2024 Xiph.Org Foundation

Astro

Static site generator · astro.build

MIT License

Copyright © 2021–2024 The Astro contributors

wasm-media-encoders

MP3 and OGG Vorbis WASM audio encoders · github.com/arseneyr/wasm-media-encoders

MIT License

Copyright © 2020–2024 arseneyr

pdf-lib

PDF creation and modification library · pdf-lib.js.org

MIT License

Copyright © 2019–2024 Andrew Dillon

PDF.js

PDF rendering library · mozilla.github.io/pdf.js

Apache License 2.0

Copyright © Mozilla Foundation and contributors

wd-io-engine (WebDecks)

Presentation I/O engine powering the PPTX / ODP / Keynote converters (WASM build) · webdecks.app

Proprietary (Squareys)

Copyright © 2026 Squareys. Used under license by WebConverter.app.

libeot

Embedded-font (EOT / MicroType Express) decoder linked into the WebDecks presentation engine · github.com/umanwizard/libeot

Mozilla Public License 2.0 (MPL-2.0)

License text: MPL-2.0 · patent grant: PATENTS.

Inter

Typeface embedded into PDF output by the presentation converter · github.com/rsms/inter

SIL Open Font License 1.1

License text: OFL 1.1.

whisper.cpp

Công cụ suy luận chuyển giọng nói thành văn bản (bản dựng WASM) · github.com/ggerganov/whisper.cpp

MIT License

Copyright © 2023 Georgi Gerganov