# Technical Documentation: JunkFood02/Seal

> ℹ️ **Provenance:** Multi-Tier Ingestion · [CodeWiki Reference](https://codewiki.google/github.com/JunkFood02/Seal)

### Overview (`README.md`)

<div align="center">

<img width="" src="fastlane/metadata/android/en-US/images/icon.png"  width=160 height=160  align="center">

# Seal

### Video/Audio Downloader for Android


English
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-zh_Hans.md">简体中文</a>
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-zh_Hant.md">繁體中文</a>
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-ar.md">العربية</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-pt.md">Portuguese</a>
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-ua.md">Українська</a>
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-th.md">ภาษาไทย</a>
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-fa.md">فارسی</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-it.md">Italiano</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-az.md">Azərbaycanca</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-ru.md">Русский</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-sr.md">Српски</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-ja.md">日本語</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-id.md">Indonesia</a>
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<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-hi.md">हिंदी</a>
&nbsp;&nbsp;| &nbsp;&nbsp;
<a href="https://github.com/JunkFood02/Seal/blob/main/translations/README-bn.md">বাংলা</a>



[](https://f-droid.org/en/packages/com.junkfood.seal)
[](https://github.com/JunkFood02/Seal/releases/latest/)
[](https://github.com/JunkFood02/Seal/releases/)
[](https://github.com/JunkFood02/Seal/blob/main/CHANGELOG.md)
[](https://github.com/JunkFood02/Seal/releases/)
[](https://github.com/JunkFood02/Seal/stargazers)
[](https://github.com/yt-dlp/yt-dlp/blob/master/supportedsites.md)
[](https://t.me/seal_app)
[
](https://matrix.to/#/#seal-space:matrix.org)


</div>


## 📱 Screenshots

<div align="center">
<div>
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/1.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/2.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/3.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/4.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/5.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/6.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/7.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/8.jpg" width="30%" />
<img src="fastlane/metadata/android/en-US/images/phoneScreenshots/9.jpg" width="30%" />
</div>
</div>

<br>

## 📖 Features

- Download videos and audio files from video platforms supported by [yt-dlp](https://github.com/yt-dlp/yt-dlp) (formerly youtube-dl).

- Embed metadata and video thumbnail into extracted audio files supported by [mutagen](https://github.com/quodlibet/mutagen).

- Download all videos in the playlist with one click.

- Use embedded [aria2c](https://github.com/aria2/aria2) as external downloader for all your downloads.

- Embed subtitles into the downloaded videos.

- Execute custom yt-dlp commands with templates.

- Manage in-app downloads and custom command templates.

- Easy to use and user-friendly.

- [Material Design 3](https://m3.material.io/) style UI, with dynamic color theme.

- MAD: UI and logic written with pure Kotlin. Single activity, no fragments, only composable destinations.



## ⬇️ Download

For most devices, it is recommended to install the **arm64-v8a** version of the apks

- Download the latest stable version from [GitHub releases](https://github.com/JunkFood02/Seal/releases/latest)
  - Install the [pre-release](https://github.com/JunkFood02/Seal/releases/) versions to help us test out new features & changes

- Stable releases are also available on [F-Droid](https://f-droid.org/packages/com.junkfood.seal/)



## 💬 Contact

Join our [Telegram Channel](https://t.me/seal_app) or [Matrix Space](https://matrix.to/#/#seal-space:matrix.org) for discussion, announcements, and releases!

## 💖 Sponsors

<p><a href="https://github.com/Opposum102"><img src="https:&#x2F;&#x2F;github.com&#x2F;Opposum102.png" width="60px" alt="User avatar: " /></a></p>


Seal will be always free and open source for everyone. If you like it, please consider [sponsoring me](https://github.com/sponsors/JunkFood02)!

## 🤝 Contributing

Contributions are welcome!

You can help translate Seal on [Hosted Weblate](https://hosted.weblate.org/projects/seal/).
	
[](https://hosted.weblate.org/engage/seal/)
	
>[!Note]
>
>For submitting bug reports, feature requests, questions, or any other ideas to improve, please read [CONTRIBUTING.md](https://github.com/JunkFood02/Seal/blob/main/CONTRIBUTING.md) for instructions and guidelines first.

## ⭐️ Star History

[](https://star-history.com/#JunkFood02/Seal&Timeline)


## 🧱 Credits

Seal is a simple GUI of [yt-dlp](https://github.com/yt-dlp/yt-dlp), based on [youtubedl-android](https://github.com/yausername/youtubedl-android)

Some of the UI designs and codes are borrowed from [Read You](https://github.com/Ashinch/ReadYou) and [Music You](https://github.com/Kyant0/MusicYou)

[dvd](https://github.com/yausername/dvd)

[Material color utilities](https://github.com/material-foundation/material-color-utilities)

[Monet](https://github.com/Kyant0/Monet)

## 📃 License

[](https://github.com/JunkFood02/Seal/blob/main/LICENSE)

>[!Warning]
>
>Except for the source code licensed under the GPLv3 license,
>all other parties are prohibited from using Seal's name as a downloader app,
>and the same is true for Seal's derivatives.
>Derivatives include but are not limited to forks and unofficial builds.

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- Files Extracted: 1
- Estimated Token Budget: ~1636 tokens
- Canonical Reference: https://codewiki.google/github.com/JunkFood02/Seal