Simon Willison updated his markdown-svg-renderer tool with a new MP4 tab that converts animated SVGs into video files entirely in the browser using ffmpeg.wasm. The tool also supports PNG and JPEG export tabs for platforms that don't natively support SVG rendering.
Background
Simon Willison is a well-known developer and blogger who frequently builds and shares open-source web tools. The rise of WebAssembly has enabled complex multimedia processing directly in browsers without server dependencies.
- Source
- Simon Willison
- Published
- Aug 17, 2026 at 07:59 AM
- Score
- 5.0 / 10