Show HN: Testreel – Programmatic product demo videos from JSON and Playwright

I made Testreel as a programmatic alternative to ScreenStudio.

This has two primary value props: 1. Not having to manual re-record a demo because of a typo or misclick; just update the config and regenerate 2. Allows LLM agents to generate demo videos for your web app, complete with cursor overlay, and a customizable desktop background

Testreel is an npm package that lets you describe interactions (click, type, scroll, zoom etc.) in JSON, YAML or Playwright. Then generate a polished webm/mp4/gif video with cursor overlay, click ripples, gradient background etc.

Made with Claude Code. Built on Playwright + FFMPEG. MIT License.

Repo: https://github.com/greentfrapp/testreel

2 points greentfrapp 6 months ago 0 comments

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