How to download and install IINA on Mac
IINA is a free, open-source media player made for macOS and built on mpv, and it comes from iina.io as one installer for every Mac. Here is how to install it and make it open your videos by default.

IINA
- macOS 12 or later (11 on Intel)
- One file for Apple Silicon and Intel
- Free, open source
Or the installer straight from the developer’s server:
The links go to the developer’s website (iina.io, dl.iina.io). MacWashing is not affiliated with the developer and keeps no installers.
Open Terminal (Applications › Utilities) and run:
brew install --cask iinaHomebrew downloads the app from the developer’s server, checks the file and puts the app in Applications.
No Homebrew yet? How to install Homebrew: one command from brew.sh.
Before you download
IINA has one installer that runs natively on Apple Silicon and Intel Macs, so there is no version to choose. Under Latest stable version, click the download button. Nightly builds on the same page are unsigned test versions, not for everyday use.
IINA needs macOS 12 Monterey or later on Apple Silicon and macOS 11 Big Sur or later on Intel. Download it only from iina.io.
How to install IINA
- Open the downloaded IINA
.dmgin your Downloads folder. - In the window that opens, drag IINA to the Applications folder.

- Eject the IINA disk: click the eject button next to it in the Finder sidebar.
- Open IINA from Applications and click Open when macOS asks about an app downloaded from the internet.
What to set up after the first launch
- Default player. Select a video in Finder, choose File › Get Info, pick IINA under Open with and click Change All. Repeat for other video formats you use, such as
.mkvor.mp4. - Updates. IINA checks for new versions by itself. Beta updates come only if you turn on Receive beta updates in IINA’s settings.
- Plugins. Plugins add subtitle sources and other features. They are code written by other people: install only the ones you trust.
- The installer. Move the
.dmgfrom Downloads to the Trash once IINA runs.
If IINA won’t install or open
- «IINA is damaged and can’t be opened». The download was incomplete. Delete the file and download it again from
iina.io. - IINA doesn’t start on an older Mac. Check your macOS version in About This Mac: IINA needs macOS 12 or later, or 11 or later on an Intel Mac. Older versions for older systems are listed on the same download page.
- Videos still open in another player. Set IINA as the default for that file type, as described above.
Alternatives to IINA
Keep your Mac tidy

System Junk in MacWashing finds the caches apps build up over time and shows how much space they take. And if you decide to remove IINA, the Uninstaller takes its files with it.
Free trial · macOS 14 or later
Questions and answers
Is IINA free?
Yes. IINA is free and open source, with no ads, tracking or telemetry. The project accepts donations on iina.io.
Is IINA in the Mac App Store?
No. IINA is published on iina.io and on its GitHub page. Download it there or install it with Homebrew.
Which formats can IINA play?
IINA is built on mpv, so it plays almost any video and audio file, including .mkv, .mp4, .avi and .webm, along with subtitles. It also supports Picture in Picture and Live Text.