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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.
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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.webmTarget 2Mbps bitrate
-i input.mp4 -c:v libvpx-vp9 -b:v 2M -c:a libopus output.webmFast encoding
-i input.mp4 -c:v libvpx-vp9 -crf 33 -b:v 0 -cpu-used 4 -c:a libopus output.webmRelated Operations
Need to process at scale?
Automate this with the RenderIO FFmpeg API. Process thousands of files programmatically or through no-code video automation.