Concat
Open source
FreeFree forever
Overview
Concat provides a fast video editing workflow with auto-captions text-to-speech voice cloning background removal keyframes effects titles and multi-track editing. Everything runs locally through a native Rust engine with GPU acceleration and offline AI models. It also exposes JSON-RPC gRPC and MCP APIs so scripts and AI agents can automate video editing tasks.
Key features
- Auto-captions with local Whisper
- Text-to-speech and voice cloning
- Background removal
- Keyframe animation
- 170+ effects filters transitions and text animations
- Multi-track editing
- Magnetic timeline
- Voice enhancement
- H.264 HEVC and AV1 export
- Up to 4K 60 FPS
- 10-bit color
- GPU-accelerated rendering
- JSON-RPC and gRPC APIs
- MCP support
- CLI automation
- Offline local processing
