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Convert MP4 to VP9 via API

VP9 is Google's open video codec used by YouTube. Encode your content in VP9 for excellent compression and broad web browser support without royalty fees.

Try it in your browser

Loading FFmpeg engine... (~31 MB)

Use the API

curl -X POST https://renderio.dev/v1/commands \
  -H "X-API-KEY: ffsk_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
  "ffmpeg_command": "-i {in_video} -c:v libvpx-vp9 -crf 31 -b:v 0 -c:a libopus {out_video}",
  "input_files": {
    "in_video": "https://example.com/input.mp4"
  },
  "output_files": {
    "out_video": "output.webm"
  }
}'

Need an API key? Get your free API key to start processing files programmatically.

Common Variations

High quality (CRF 20)
-i input.mp4 -c:v libvpx-vp9 -crf 20 -b:v 0 -c:a libopus output.webm
Target 2Mbps bitrate
-i input.mp4 -c:v libvpx-vp9 -b:v 2M -c:a libopus output.webm
Fast encoding
-i input.mp4 -c:v libvpx-vp9 -crf 33 -b:v 0 -cpu-used 4 -c:a libopus output.webm

Related Operations

Need to process at scale?

Automate this with the RenderIO FFmpeg API. Process thousands of files programmatically or through no-code video automation.