tolossy

A native desktop app with Web UI that converts any audio format to MP3 using FFmpeg.

Supported input formats: wav, flac, aac, ogg, opus, aiff, m4a, alac and other formats that FFmpeg supports.

Supported output formats: mp3

Encoding preset: VBR V0 for best possible quality.

Download

Download the executable for your operating system from the latest release.

Note: this app requires FFmpeg to be installed on your system.

Usage

1. Run the executable. Web UI will open in your default browser.

2. Select your audio files, then click Convert to mp3. By default, all converted files are saved in the tolossy directory on your desktop.

3. To exit the application, click the Quit button or just close the browser tab.

Build from source

$ git clone <this_repo>
$ cd tolossy

# Build the web UI. It will be embedded into the final executable.
$ cd ui
$ pnpm i
$ pnpm bulid

$ cd ..

# Build the native app. It expects the bundled web UI in ui/dist.
$ cd core
$ cargo build --release

# The final ececutable will be located in core/target/release/

License

MIT