
FFmpeg fits on Vercel. Size isn't the problem
Read the measured numbers behind FFmpeg on Vercel. The binary is 76 MB against a 250 MB cap, and the 4.5 MB body limit is what actually stops you.
The Rendobar Blog
Engineering deep dives and developer guides on processing video at scale. How the Rendobar API works under the hood, FFmpeg techniques you can run today, and the stack that keeps it fast.

Read the measured numbers behind FFmpeg on Vercel. The binary is 76 MB against a 250 MB cap, and the 4.5 MB body limit is what actually stops you.
Read a media file's metadata with ffprobe, then watch the traps: rotation, HDR, fake image durations, missing channel layouts, and cover art as video.
Compare the best FFmpeg APIs for developers in 2026: Rendobar, Rendi, Transloadit, ffmpeg-api.com, and Shotstack, on price, raw commands, and MCP.
Read why ffmpeg.wasm can't run in a standard Cloudflare Worker. workerd blocks runtime WASM compilation, and the 31 MB core barely survives gzip.