Documentation

Documentation

Everything about the editor, subtitle styles, export and the API โ€” from first upload to automated pipelines.

Quick start

Create your first AI subtitles: upload a video, review the transcript, adjust the style, and export the result.

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Uploading and processing media

Add a local media file, follow each processing stage, and recover from common failures.

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Automatic speech recognition

Understand how the transcript is produced and what to review after automatic recognition.

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Editing text and timing

Work with the transcript, subtitle cues, and time boundaries in the editor.

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Editor interface overview

Learn the main areas of the workspace on desktop, tablet, and mobile devices.

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Scenes and subtitle cues

Add, edit, split, merge, and remove subtitle cues.

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Working with the transcript

Review individual words, delete text, search and replace, change case, and apply corrections.

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Using the timeline

Navigate the video, read the waveform, zoom the timeline, and adjust cue boundaries precisely.

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Video preview

Playback, text placement, social platform previews and checking the finished file.

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Recent projects

Open a saved project, start a new one, or remove a project from the list.

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Subtitle styling

Configure fonts, colors, outlines, backgrounds, placement, and animation.

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Auto-placement and subtitle pace

Place captions with frame content in mind and choose how quickly cues change.

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Headlines and text blocks

Edit headlines, line roles, templates and text visibility in the frame.

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B-roll and zooms

Overlay your images and videos, zoom the frame and review effects.

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Exporting video and subtitle files

Export MP4, MOV, H.265, WebM, SRT, VTT and ASS; save edits and download the result.

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Troubleshooting

What to check when uploads fail, processing stops, or an export is unavailable.

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Supported formats

Confirmed export formats and recommendations for preparing source media.

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Public API

Run video processing from your own code: access key, credits, job status and downloading the result in a chosen style.

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