Video2Audio Transcoder
A small web application that extracts and transcodes the audio track of video files into a range of formats with custom settings. Built with Flask and FFmpeg, it supports drag-and-drop uploads, batch processing, and downloading the processed audio.
The source code is available on GitHub.
Features
- Convert video files to audio formats: MP3, AAC, FLAC, WAV
- Configure bitrate, sample rate, and channels per file (bitrate applies to lossy formats only; it is ignored for FLAC and WAV)
- Batch upload and processing
- Download processed files directly from the browser
- Automatic detection of lossless versus lossy formats
- Per-file progress reporting during processing
Web UI
Installation
1. Clone the repository
git clone https://github.com/trholy/video2audio.git
cd video2audio
2. Build and run the app with Docker
docker compose up --build
3. Open the app
Point your browser to http://127.0.0.1:5000.
Usage
- Drag and drop video files into the upload area or click to select files.
- Configure your desired audio codec, bitrate, sample rate, and channels.
- Click Apply Settings.
- Select files to process and click Start Processing.
- Once processed, click Download Selected to save the audio files.
Project structure
video2audio/
├── .dockerignore
├── .gitignore
├── Dockerfile
├── LICENSE
├── README.md
├── docker-compose.yml
├── img
│ └── app_screenshot.png
├── processed
│ └── .gitkeep
├── processing
│ └── .gitkeep
├── setup.py
├── src
│ └── video2audio
│ ├── __init__.py
│ ├── app.py
│ ├── cli.py
│ ├── static
│ │ ├── css
│ │ │ └── style.css
│ │ └── js
│ │ └── main.js
│ ├── templates
│ │ └── index.html
│ └── transcoder.py
└── uploads
└── .gitkeep
License
This project is licensed under the MIT License. See the LICENSE file for details.