Video Captioner - Generate captions for video online

Video Captioner

Generate concise or detailed captions for video content.

Click to upload or drag video here
MP4, WebM, MOV supported

Upload MP4, MOV, or WebM. Duration-priced tools require uploaded files so the server can read video metadata.

Video durationUpload a video to read duration

Credits are calculated from server-read video metadata. Max 120 seconds.

Estimated credits

≤5s: 1 credit · 10s: 2 · 30s: 6 · 60s: 12 · 120s: 24

0

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No caption yet

Upload a video and select a detail level.

Caption generation

Generate video captions that describe what viewers can see.

Video Captioner creates natural-language descriptions for short clips. It is useful for cataloging content, writing social copy, preparing accessibility notes, or summarizing visual moments for review.

120s
Max video length
3 levels
Caption detail
1+
Credits by duration

Features

1

Adjustable detail

Choose low, medium, or high detail depending on whether you need a quick caption or a richer description.

2

Clip-friendly output

Generate text for short videos, ads, demos, tutorials, and user-generated content.

3

History built in

Past caption jobs are saved to history so you can reopen, copy, or compare results.

Workflow

01

Upload a clip

Add a video file so duration can be verified for credit calculation.

02

Choose detail

Select low, medium, or high caption detail before generating.

03

Copy caption

Use the result in descriptions, alt text, notes, or editorial workflows.

Use cases

Use video captioning to create quick descriptions for clips that need context.

Social video descriptionsAsset library captionsAccessibility notesCreative briefsAd reviewTutorial summaries

FAQ

No. Subtitle OCR extracts visible text already present in the video, while the captioner writes a new description of the video content.

Use low for short labels, medium for balanced descriptions, and high for richer visual detail.

The current captioner page supports clips up to 120 seconds.

Yes. Text results can be copied directly from the result panel.

Create a caption from a video clip.

Choose a detail level and generate a readable description for your video.

Generate a caption