remotion-dev/remotion

Make videos programmatically with React — compose video frames as React components, render to MP4.

What it is

A TypeScript framework that lets developers define video content as React components: each frame is rendered by React, then ffmpeg encodes the sequence into MP4 / GIF / WebM. Used for procedurally-generated YouTube content, data-driven explainers, social-media video templates, and bulk video personalization. Commercial license required for some use cases (verify SPDX NOASSERTION).

Key features

React components → video frames.
Composition system with timeline, audio, transitions.
ffmpeg-based encoding.
Browser preview + headless render via remotion render.
Lambda render for cloud-scale parallel rendering (paid).
License is NOASSERTION — see Remotion's specific commercial-license requirements.

Tech stack

TypeScript primary.
React on the composition side.
ffmpeg for encoding.

When to reach for it

You're generating videos programmatically (data viz, automated explainers, personalized video at scale).
You want React skills to transfer to video production.

When not to reach for it

You want a video-editor UI — DaVinci Resolve, Premiere, Final Cut.
You're allergic to commercial-licensing complexity — Remotion's license requires payment for some commercial uses.

Maturity signal

49k stars, 3.4k forks, last push recent. Open issues = 127. Commercial license is the recurring caveat.

Alternatives

ffmpeg directly — for non-React programmatic rendering.
Motion Canvas — alternative animation-via-code library.

Wiki: remotion-dev/remotion