How We Moved Video Rendering From the Server to the Browser
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The Problem With Server-Side Video Rendering If you have ever built a video editing tool, you know the pain of server-side rendering. Heavy FFmpeg processes, GPU provisioning, cold starts, job queues, and infrastructure costs that scale linearly with every export. For ClipCrafter -- an open-source app that turns long videos into short, captioned clips -- this was becoming unsustainable. Our previous architecture relied on Remotion running inside a Docker container on Railway. Every t