How to Contribute to or Support the IINA Project

You can contribute to IINA in four ways listed on its official site: report issues or suggest features, contribute code on GitHub, help translate on Crowdin, or support the project with a donation. Which one fits you depends on your skills and how much time you want to give — none of these require you to be a programmer except the code path.

Report Issues and Suggest Features

This is the lowest-barrier way to help, and it's useful even if you don't write code. If you hit a bug, a crash, or a missing capability while using IINA, the project points you to its GitHub repository as the place to report issues and propose features.

A few things make a report more likely to be acted on:

• Check whether it's already reported. Search existing issues before opening a new one so you don't split discussion across duplicates.
• State your environment. IINA 1.5.0 requires macOS 12.0, or macOS 11.0 on Intel machines — mention your macOS version and whether you're on Apple Silicon or Intel, since behavior can differ.
• Describe what you expected vs. what happened. For playback bugs, note the file format and whether the problem reproduces with another file.
• For feature requests, explain the use case. "I want X because I do Y" is more actionable than "add X."

Contribute Code on GitHub

If you write code, the site lists contributing code on GitHub as a direct path. IINA is built on mpv, so work touches both the macOS app layer and the underlying playback engine, and it's maintained by its community rather than a single company.

Before writing anything substantial, the practical sequence is:

1. Browse the repository's open issues to find something unclaimed or labeled as needing help.
2. Comment on the issue to signal you're working on it, so effort isn't duplicated.
3. Follow the project's existing contribution conventions for branches and pull requests.
4. Expect review feedback — community-maintained projects depend on maintainers' spare time, so turnaround varies.

There's also a separate documentation page for plugin developers. If your interest is extending IINA rather than changing its core, plugins are the intended route: the site describes plugins as able to add subtitle sources, video tools, new interfaces, and other community-created features.

Help Translate on Crowdin

Translation is handled through Crowdin, and it's a good fit if you're fluent in a language other than English but don't code. You work through Crowdin's web interface rather than editing files directly, which keeps the process consistent across languages. The main thing to watch is context — UI strings are often short and ambiguous, so translate for meaning in the interface rather than word-for-word.

Support with a Donation

The site lists donation as a way to support the project financially. IINA is free and open source, and the site does not state a price, tier, or payment platform for donations — so treat the donation link as the authoritative source for how and where to give, rather than assuming a specific method.

Which Path Should You Pick?

A Note on Why This Matters

IINA states that it does not include tracking or telemetry. That's relevant to contributing: because the project isn't monetized through user data, community contributions and donations are what sustain it. Whichever path you choose, the site frames participation as open-ended — "you can take part in many ways" — so starting small with a single issue report or a handful of translated strings is a legitimate contribution, not a lesser one.