Video upload
Start with an MP4 or MOV video file.
Developer API
Subtitle Generator API - Automate Captioning at Scale
Learn about subtitle automation requirements. CapsAI does not currently offer a documented public subtitle API for customer integrations.
MP4 or MOV
current upload formats
3 minutes
current free allowance
One video
processed at a time
Features
Current browser-based caption workflow
Caption first draft
Generate timed caption text from speech in the uploaded video.
Text and timing review
Correct wording, names, line breaks, and caption timing in the editor.
Caption styling
Apply supported fonts, colors, positions, and animation treatments.
Captioned video export
Use a video export option available to your current plan.
No documented public API
CapsAI uses internal application endpoints, but a supported customer-facing subtitle API is not currently published.
Workflow
The current CapsAI workflow
Step 1
Upload a video
Choose an MP4 or MOV file that you own or have permission to process.
Step 2
Choose the spoken language
Select one of the languages currently shown in the product uploader.
Step 3
Review the first draft
Correct the generated caption text and timing in the editor.
Step 4
Export a captioned video
Choose an output available to your current plan.
Use Cases
Verified workflow limits
No documented public API
CapsAI uses internal application endpoints, but a supported customer-facing subtitle API is not currently published.
One uploaded video at a time
The current product does not expose batch processing or live captioning.
Plan-based output
Watermark and export quality benefits are shown on the current pricing page.
FAQ
Current CapsAI workflow FAQ
Can I integrate CapsAI through a public API?
No documented, supported public subtitle API is currently available for customer integrations.
Which files can I upload?
The current uploader accepts MP4 or MOV video files.
Can I edit the generated captions?
Yes. The editor supports caption text, timing, and style changes before video export.
How much can I try for free?
CapsAI currently includes 3 free minutes.
Start with the current video caption workflow
Upload an MP4 or MOV video, generate and review the captions, and use an output available to your plan.
Upload VideoRelated tools
Automatic Transcription - Speech to Text in MinutesTurn video speech into an editable transcript and subtitle first draft, then review the text and timing before publishing.Captions in 11 Spoken LanguagesExplore multilingual subtitle workflows for English, Hinglish, Hindi, and regional Indian language creator videos.Complete Subtitle Customization - Your Brand, Your StyleReview subtitle styling controls for fonts, colours, positioning, line breaks, and readable captions across video formats.