Resize Video for Instagram Reels via API

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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} -t 90 -vf \"scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:-1:-1:color=black\" -c:v libx264 -crf 23 -c:a aac {out_video}",
  "input_files": {
    "in_video": "https://example.com/input.mp4"
  },
  "output_files": {
    "out_video": "output.mp4"
  }
}'

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

Common Variations

-i input.mp4 -t 90 -vf "scale=1080:1920:force_original_aspect_ratio=increase,crop=1080:1920" -c:v libx264 -crf 23 -c:a aac output.mp4

-i input.mp4 -t 90 -filter_complex "[0]scale=1080:1920:force_original_aspect_ratio=increase,crop=1080:1920,boxblur=20[bg];[0]scale=1080:1920:force_original_aspect_ratio=decrease[fg];[bg][fg]overlay=(W-w)/2:(H-h)/2" -c:v libx264 -crf 23 -c:a aac output.mp4

-i input.mp4 -t 60 -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:-1:-1:color=black" -c:v libx264 -crf 23 -c:a aac output.mp4

Platform Specs

Related Operations