WASM in 2026: What I Found After Testing It for a Video Platform

An IT engineer at a video platform company evaluated WebAssembly for in-browser video processing using ffmpeg.wasm, finding it capable of encoding, transcoding, splitting, merging, and metadata extraction without server involvement. Performance was 2–5x slower than native for short clips but near real-time for video analysis, with the main limitation being browser memory constraints that require chunked processing for large files.