TwitchDownloader
Free, open-source CLI and GUI to download Twitch VODs, clips, and chat — and render chat overlays.
Visit TwitchDownloader → Free, open source · Windows / Linux / macOS (CLI + GUI)
Pros
- +Free and open source
- +Downloads VODs, clips, and chat JSON
- +Renders chat to MP4 / MOV with embeddable BTTV / FFZ / 7TV emotes
- +Scriptable via CLI for batch jobs
- +Active development and broad community
Cons
- −No highlight detection — you scrub manually
- −Chat render is slow on long streams
- −Requires downloading the entire VOD locally
- −GUI is Windows-first; CLI is the cross-platform path
Best for
Solo editors who want full local control, no subscription, and are comfortable with command-line workflows.
Verdict
The free baseline. If you only need to download chat + render an overlay occasionally, this is enough. It does not help you find moments — that's your problem to solve.