falVideo to videoComing soon

fal-ai/workflow-utilities/auto-subtitle

Name: fal-ai/workflow-utilities/auto-subtitle
Brand: fal

fal-ai/workflow-utilities/auto-subtitle is a video to video tool from fal that runs in the background and returns video. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Priced by usage

Pricing

$0.039 per minute. Measured from the input file. The final charge comes from usage.

Limits

Runs: In the background
Returns: video
Longest queue wait: 3600s
Run deadline: 1800s
Largest inline input: 1024 KB
Largest input file: 500 MB
Largest output: 4768 MB
Outputs per run: 16

Input

Field	Kind	Default	Description
`video_url` required	URL or file	—	URL of the video file to add automatic subtitles to
`language`	text	en	Language code for transcription (e.g., 'en', 'es', 'fr', 'de', 'it', 'pt', 'nl', 'ja', 'zh', 'ko') or 3-letter ISO code (e.g., 'eng', 'spa', 'fra')
`font_name`	text	Montserrat	Any Google Font name from fonts.google.com (e.g., 'Montserrat', 'Poppins', 'BBH Sans Hegarty')
`font_size`	number (whole) 20 to 150	100	Font size for subtitles (TikTok style uses larger text)
`font_weight`	one of normal, bold, black	bold	Font weight (TikTok style typically uses bold or black)
`font_color`	one of white, black, red, green, blue, yellow, orange, purple, pink, brown, gray, cyan, magenta	white	Subtitle text color for non-active words
`highlight_color`	one of white, black, red, green, blue, yellow, orange, purple, pink, brown, gray, cyan, magenta	purple	Color for the currently speaking word (karaoke-style highlight)
`stroke_width`	number (whole) 0 to 10	3	Text stroke/outline width in pixels (0 for no stroke)
`stroke_color`	one of black, white, red, green, blue, yellow, orange, purple, pink, brown, gray, cyan, magenta	black	Text stroke/outline color
`background_color`	one of black, white, red, green, blue, yellow, orange, purple, pink, brown, gray, cyan, magenta, none, transparent	none	Background color behind text ('none' or 'transparent' for no background)
`background_opacity`	number 0 to 1	0	Background opacity (0.0 = fully transparent, 1.0 = fully opaque)
`position`	one of top, center, bottom	bottom	Vertical position of subtitles
`y_offset`	number (whole) -200 to 200	75	Vertical offset in pixels (positive = move down, negative = move up)
`words_per_subtitle`	number (whole) 1 to 12	3	Maximum number of words per subtitle segment. Use 1 for single-word display, 2-3 for short phrases, or 8-12 for full sentences.
`enable_animation`	true or false	true	Enable animation effects for subtitles (bounce style entrance)

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "fal-ai/workflow-utilities/auto-subtitle",
    "input": {
      "video_url": "https://v3b.fal.media/files/b/kangaroo/oUCiZjQwEy6bIQdPUSLDF_output.mp4"
    }
  }'