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video models

AI Video Subtitle Remover API

Upload an MP4, optionally choose one rectangle in original video pixels, and remove burned-in subtitles asynchronously through PiAPI.

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Video subtitle removal pricing

The source duration is rounded up to whole seconds, with no five-second minimum.

Video subtitle removal

$0.006 /source second

  • Automatic or fixed source-pixel region
  • MP4 input and video result

Video subtitle removal features

A focused video-to-video contract for fixed subtitle areas and automatic text detection.

MP4 upload

Upload one source MP4 and receive a processed video URL after the asynchronous task completes.

Original-pixel region

Set x, y, width, and height against the source video's original pixel dimensions.

Automatic detection

Omit a region to detect visible text throughout the frame; other visible text may also be removed.

Workspace History

Review the completed video result and its task record in Workspace History.

Use the video subtitle remover

Create your API key

Sign up and grab an API key from the PiAPI workspace — free credits are included on sign-up.

Top up credits

Add credits on the billing page when you are ready to scale beyond the free tier.

Call the API

POST your first task following the API docs, then poll the task until the result is ready.

Iterate in the playground

Prototype prompts and settings in the the playground above before wiring them into your product.

Create a task

curl -X POST 'https://api.piapi.ai/api/v1/task' \
  -H 'X-API-Key: YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "Qubico/video-toolkit",
  "task_type": "remove-subtitle",
  "input": {
    "video": "YOUR_VIDEO_URL"
  }
}'

Retrieve the result

curl 'https://api.piapi.ai/api/v1/task/{task_id}' \
  -H 'X-API-Key: YOUR_API_KEY'

video_url / video

Pricing

  • per_second: $0.006 / second

Video subtitle removal FAQ

What does the subtitle remover change?

It removes burned-in subtitle pixels and fills the affected background. It does not edit a separate subtitle track.

How do I select a subtitle region?

Upload an MP4 and optionally provide a JSON region with x, y, width, and height in the source video's original pixel coordinates.

What is the current price?

The current price is $0.006 per source-video second rounded up, without a five-second minimum.

Where can I find completed results?

The completed video URL appears in the task result and the task remains available through Workspace History.

More questions? See the API docs.