How Kinetic Typography Works
AnyTool produces audio-synced animated text videos entirely in the browser. A single time-based render function drives both the live preview and the exporter, so what you see equals what you export. A song is decoded with the Web Audio API; pasted lyrics are timed to it (with tap-to-time), and self-hosted fonts are loaded before rendering so glyphs appear in the canvas. Frames are encoded with WebCodecs VideoEncoder (H.264) and the audio with AAC, muxed into a real MP4 by a bundled muxer at faster-than-real-time speed, with a MediaRecorder WebM fallback. Landscape, vertical 9:16 and square 1:1 formats are supported.
- Runs client-side — song and lyrics are never uploaded
- One render function powers preview and export (WYSIWYG)
- Real MP4 (H.264/AAC) via WebCodecs, faster than real time
- Self-hosted designer fonts; tap-to-time word sync
- 16:9, 9:16 and 1:1 aspect ratios
- No watermark, no caps, no sign-up
