Building a local-first, multiplayer web video editor with instant file playback
austin_malerba · x · 2026-10-15
Developer austinmalerba is pitching "the best damn video editor the web has seen": local-first, multiplayer, offline-capable, Figma-level UX, and agentic control — powered by ElevenLabs, editframe, mediabunny, mobx, and some homegrown libraries.
Engineering details he shares: files live in the browser's private file system so they're instantly editable and playable; uploads are resumable; multiplayer makes files instantly available to peers; render-optimized previews still take upload time, so the goal is graceful UX while peers wait for file data.
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