Third-Party Licenses

Open source software and attributions used in ShortPNG • Updated July 13, 2025

Open Source Acknowledgment

ShortPNG is built with open source software. We're grateful to the developers and maintainers of these projects that make our service possible. Below are the licenses and attributions for the third-party libraries we use.

browser-image-compression

Version: 2.0.2MIT License
View on GitHub

Description

A JavaScript library for compressing images in web browsers. This library provides the core image compression functionality that powers ShortPNG's client-side processing capabilities, allowing users to compress images locally without uploading them to any server.

MIT License

Copyright (c) 2019 Donald Chan

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

heic2any

Version: 0.0.4MIT License
View on GitHub

Description

A browser-based library for converting HEIC/HEIF images (commonly used by Apple devices) to standard web formats like JPEG and PNG.

MIT License

Copyright (c) heic2any contributors

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

@imgly/background-removal

Version: 1.5.5SEE LICENSE IN LICENSE.md
View on GitHub

Description

A client-side AI-powered background removal library that runs entirely in the browser using WebAssembly and ONNX models. Used for the background removal feature in ShortPNG's advanced mode.

Development Dependencies

ShortPNG also uses the following development tools and libraries:

Next.js

React framework for production

MIT License

Tailwind CSS

Utility-first CSS framework

MIT License

shadcn/ui

Accessible UI components

MIT License

Lucide React

Icon library

ISC License

Questions About Licenses?

If you have any questions about the licenses or attributions, please contact us.