Open Source Licenses

lamejs

• Project: https://github.com/zhuker/lamejs
• License: LGPL-3.0 (per package/CDN metadata)
• Usage: Browser-side WAV to MP3 conversion

We use this library as an external dependency and retain source/license references. If we modify the library itself, those modifications are provided under the applicable license terms.

Basic Pitch

• Project: https://github.com/spotify/basic-pitch-ts
• Copyright: Copyright 2022 Spotify AB.
• License: Apache-2.0
• Usage: Browser-side audio-to-MIDI transcription
• Local license: /js/basic-pitch/LICENSE.txt
• Local notice: /js/basic-pitch/NOTICE.txt

We use the library from a CDN module and serve the model assets locally, copied unmodified from the npm package.

TensorFlow.js

• Project: https://github.com/tensorflow/tfjs
• License: Apache-2.0
• Usage: Transitive runtime dependency loaded by the audio-to-MIDI transcription module, and loaded directly by the Image Upscaler

We do not copy or modify TensorFlow.js source in this repository.

ToneJS MIDI

• Project: https://github.com/Tonejs/Midi
• License: MIT
• Usage: Transitive runtime dependency loaded by the audio-to-MIDI transcription module

We do not copy or modify ToneJS MIDI source in this repository.

Salamander Grand Piano V3

• Author: Alexander Holm
• Source: https://archive.org/details/SalamanderGrandPianoV3
• License: CC BY 3.0
• Usage: Piano sound for MIDI playback previews and the MIDI to MP3 converter

Changes: mixed to mono, trimmed, shortened with a fade-out, level-matched and compressed to MP3.

Big Rusty Drums

• Author: Karoryfer Samples
• Source: https://github.com/sfzinstruments/karoryfer.big-rusty-drums
• License: CC0 1.0
• Usage: Drum sounds for MIDI playback previews and the MIDI to MP3 converter

Changes: mics mixed to mono, trimmed, shortened with a fade-out, normalized and compressed to MP3.

VSCO 2 Community Edition

• Author: Versilian Studios
• Source: https://github.com/sgossner/VSCO-2-CE
• License: CC0 1.0
• Usage: String sounds for MIDI playback previews and the MIDI to MP3 converter

Changes: mixed to mono, trimmed, looped with a crossfade, level-matched and compressed to MP3.

Black And Blue Basses

• Author: Karoryfer Samples
• Source: https://github.com/sfzinstruments/karoryfer.black-and-blue-basses
• License: CC0 1.0
• Usage: Bass guitar sounds for MIDI playback previews and the MIDI to MP3 converter

Changes: trimmed, shortened with a fade-out, level-matched and compressed to MP3.

Tesseract.js

• Project: https://github.com/naptha/tesseract.js
• License: Apache-2.0
• Usage: Browser-side OCR for the Image to Text (OCR) tool

We load this library from a CDN and retain its license and notice references. The underlying Tesseract OCR engine is also licensed under Apache-2.0.

pdf-lib

• Project: https://github.com/Hopding/pdf-lib
• License: MIT
• Usage: Browser-side PDF creation and editing for tools such as Image to PDF, PDF Compress, PDF Merge, PDF Split, PDF Rotate and PDF Extract Pages

We load this library from a CDN and do not modify its source.

PDF.js

• Project: https://github.com/mozilla/pdf.js
• License: Apache-2.0
• Usage: Browser-side PDF parsing and rendering for tools such as PDF to Word, PDF to TXT, PDF to Audio, PDF Extract Images and PDF Compress

We serve a copy of this library at /js/pdf.js and /js/pdf.worker.js, unmodified.

docx (docx-js)

• Project: https://github.com/dolanmiu/docx
• License: MIT
• Usage: Browser-side Word .docx file generation for the PDF to Word tool

We load this library from a CDN and do not modify its source.

Turndown

• Project: https://github.com/mixmark-io/turndown
• License: MIT
• Usage: Browser-side HTML to Markdown conversion for the HTML to Markdown and DOCX to Markdown tools

We load this library from a CDN and do not modify its source.

ffmpeg.wasm

• Project: https://github.com/ffmpegwasm/ffmpeg.wasm
• License: MIT (JavaScript wrapper) with the underlying FFmpeg core licensed under LGPL-2.1 or later
• Usage: Browser-side video conversion for the GIF to MP4, GIF to WebM, Video to GIF, MOV to MP4, WebM to MP4, Trim Video, MP4 to MP3, Compress Video and Remove Audio from Video tools

We load this library from a CDN as an external dependency and do not modify FFmpeg or its WebAssembly build. The unmodified FFmpeg source is available from the upstream FFmpeg project at ffmpeg.org.

SoundTouchJS

• Project: https://github.com/cutterbl/SoundTouchJS
• Original SoundTouch library by Olli Parviainen: surina.net/soundtouch
• License: LGPL-2.1
• Usage: Independent time-stretch and pitch-shift in the Audio Pitch and Speed Changer tool

We load this library as an ES module from CDN and do not modify its source. If we ever modify it, modifications would be published under LGPL terms.

JSZip

• Project: https://github.com/Stuk/jszip
• License: MIT or GPL-2.0+ (dual-licensed - we use under MIT)
• Usage: Packaging multiple files into a ZIP archive for tools like Extract Video Frames, PDF Split and Extract Images from PDF

We serve this library locally at /js/jszip.min.js and do not modify its source.

gif.js

• Project: https://github.com/jnordberg/gif.js
• License: MIT, with an embedded JavaScript port of NeuQuant by Anthony Dekker (1994) under a permissive academic license
• Usage: Browser-side animated GIF encoding for the Images to Animated GIF tool

We load this library and its accompanying Web Worker from CDN and do not modify its source.

ExifReader

• Project: https://github.com/mattiasw/ExifReader
• License: MPL-2.0 (Mozilla Public License 2.0)
• Usage: Browser-side EXIF, XMP, IPTC and ICC metadata parsing for the EXIF Viewer tool

We load this library from CDN and do not modify its source. If we ever modify MPL-licensed files, those modifications would be published under MPL terms.

MediaPipe Tasks Vision and Selfie Segmentation model

• Project: https://github.com/google-ai-edge/mediapipe
• License: Apache-2.0, covering the library and the Selfie Segmentation model
• Usage: Browser-side background replacement for the Passport Photo Maker tool

We load this library and model from CDN, only when a background is changed, and do not modify them.

jsQR

Version 1.4.0, used unmodified to decode QR codes locally in your browser. Source · Apache-2.0 license

pptx-preview

• Project: https://www.npmjs.com/package/pptx-preview
• License: free use of the published npm package, including commercial use, per the author's README
• Usage: Browser-side slide rendering for the PPTX to PDF tool

We load version 1.0.7 from CDN and do not modify its source.

UpscalerJS and ESRGAN Slim models

• Project: https://github.com/thekevinscott/UpscalerJS
• Author: Kevin Scott
• License: MIT, covering the library and the model weights
• Usage: Browser-side image upscaling for the Image Upscaler tool

We load upscaler 1.0.0 and @upscalerjs/esrgan-slim 1.0.0 from CDN and do not modify them.

jsPDF-AutoTable

• Project: https://github.com/simonbengtsson/jsPDF-AutoTable
• License: MIT
• Usage: Browser-side table layout for the Excel to PDF tool

Noto Sans

• Project: https://github.com/notofonts/latin-greek-cyrillic
• License: SIL Open Font License 1.1
• Usage: Embedded in PDFs made by the Excel to PDF tool when a sheet has non-Latin text