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Dev.to
7/15/2026
How to Process Video in Retool with FFmpeg Micro API

How to Process Video in Retool with FFmpeg Micro API

Short summary

A tutorial showing how to integrate FFmpeg Micro, a hosted REST API for video transcoding, into Retool internal tools. Steps include creating a REST API resource in Retool, adding a Bearer token, and writing JavaScript queries to submit transcode jobs. Use cases listed include thumbnail generation, ad campaign video reformatting, and batch compression.

  • Create a REST API resource in Retool pointing at FFmpeg Micro's endpoint
  • Submit transcode jobs with JavaScript queries specifying format, quality, and resolution
  • Poll for completion and retrieve signed download URLs
  • Use cases: thumbnails, ad reformatting, batch compression, social clip generation

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