Download. Convert.Purr.
From a link to a finished MP4 or MP3. LiquidCat handles downloading, converting and re-encoding in one native app, powered by yt-dlp and FFmpeg.

Everything media, in one place.
The power of yt-dlp and FFmpeg without the command line, wrapped in an app that's a joy to use.
Download anything
Video or audio from YouTube and hundreds of other sites. Paste many links at once or load them from a .txt file.
GPU accelerated
Your graphics card is detected automatically, with the CPU as a fallback.
Convert & trim
Re-encode local files, extract audio and cut an exact segment.
Speaks your language
English, Spanish, Portuguese, French, German and Italian. It follows your system.
Native & light
Rust and Slint, drawn on the GPU. No WebView, no Electron.
Queue, history & presets
Line up as many jobs as you want and follow them in the floating Activity card. You get a notification when they're done.
Designed down to the last pixel.
LiquidCat 0.4.6 with Catppuccin Mocha, the default theme. Click a screenshot to see it full size.




Fifteen themes, fifteen cats.
Every theme brings its own cat, and Material and Fluent follow your system accent. Try one: this page will follow it too.
Your choice is remembered across the whole site.
Get LiquidCat 0.4.6.
Free and open source. No installer, no account and no Python: yt-dlp is downloaded and kept up to date for you.
Windows
StableA single portable .exe. FFmpeg is set up on first launch. If SmartScreen warns you, choose More info → Run anyway.
Linux
ExperimentalExtract and run ./LiquidCat. Install FFmpeg from your package manager.
macOS
ExperimentalNot notarized yet: the first time, right-click the app and choose Open. Install FFmpeg with brew install ffmpeg.
LiquidCat is meant for media you own or are allowed to download. You are responsible for respecting copyright and each platform's terms.
- Material 3 theme generated from your accent color with Google's color algorithm, with pill buttons and tonal colors.
- System accent color for Material (every system) and Fluent (Windows), updated live.
- Update checks on every launch, so new versions show up right away.
- The taskbar icon follows the theme again, and the scrollbar uses the theme's accent.