subtitleedit

# <img src="src/ui/Assets/SE.png" alt="" width="32" height="32"> Subtitle Edit

The subtitle editor :)

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## 🌐 Documentation & FAQ
https://subtitleedit.github.io/subtitleedit/

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## 🚀 Automated Builds
You can find the latest cross-platform builds here:  
👉 [Releases](https://github.com/SubtitleEdit/subtitleedit/releases)

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## 💻 System Requirements

### Windows
- Minimum: Windows 10 version 22H2 (build 19045) or newer, fully updated. Older Windows 10 builds (2004/20H2/21H1/21H2) are end-of-life and may fail to start with a .NET runtime error (`0x80131506`).

### macOS

- **Minimum macOS version**: 12 (Monterey) or newer
- **Recommended**: macOS 14 (Sonoma) or newer - the oldest macOS that .NET 10 is supported on. Subtitle Edit still starts on 12 and 13, but that combination is not one the .NET runtime is tested against.
- The `.dmg` is self-contained: `libmpv` and `ffmpeg` are bundled inside `Subtitle Edit.app`, so no MacPorts or Homebrew install is required.

#### Installing Subtitle Edit on macOS

As of **v5.2.0**, the `.dmg` is signed with an Apple Developer ID and notarized by Apple, so it opens normally — no Terminal quarantine-removal step is needed:

1. **Download** and **double-click** the `.dmg` file to mount it.
2. In the window that appears, **drag `Subtitle Edit.app` into your `Applications` folder**.
3. Open **Subtitle Edit** from Applications (or Launchpad).

### Linux

#### Flatpak (any distribution)

A Flatpak package is available from the [Releases](https://github.com/SubtitleEdit/subtitleedit/releases) page. It bundles all required dependencies (mpv, ffmpeg) — no separate installation needed.

```bash
flatpak install SubtitleEdit-linux-x64.flatpak
flatpak run dk.nikse.subtitleedit
```

#### Native builds (`.tar.gz`)

Requires mpv and ffmpeg (ffmpeg is normally already installed) to enable video functionality.

##### Debian/Ubuntu
```bash
sudo apt update && sudo apt install -y mpv libmpv-dev ffmpeg
```

##### Arch
```bash
sudo pacman -S mpv ffmpeg
```

##### Fedora
```bash
sudo dnf install mpv-libs ffmpeg-free
```
(or `ffmpeg` from [RPM Fusion](https://rpmfusion.org/))

##### openSUSE
```bash
sudo zypper install mpv ffmpeg
```

> ⚙️ Note: The provided builds are self-contained and do not require a separate .NET installation.

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## 🔒 Privacy

**Subtitle Edit** is an offline, open-source application.  
It does **not** collect, store, transmit, or analyze the content of your subtitle files, media files, or any associated metadata — not for analytics, not for model training, and not for any other secondary purpose, now or in the future.

All core features, including editing, converting, video playback, and **local auto-backup**, run entirely on your device.

If you choose to use optional third-party online services within Subtitle Edit (such as translation, speech-to-text, text-to-speech, OCR, or dictionary/lookups), only the minimal data required to perform that specific request is sent directly to the selected provider