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The subtitle editor is a timeline-based tool for creating and editing captions against a video. It pairs a video player with a subtitle list and a visual timeline so you can sync captions precisely.

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Load a video

Open the editor and load a video — either from a local file or from your media assets. When you open the editor from a video asset that already has captions, those captions load automatically.

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Create and edit captions

  • Add a caption at the current playback position
  • Edit each caption’s start time, end time, and text directly in the list
  • On the timeline, drag a caption’s edges to change its in and out times, or drag its body to move it while keeping its duration
  • Delete captions you don’t need
  • Seek the video to a caption and play from it to check the sync

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Validation

The editor flags common subtitling problems as you work, including minimum duration, line length and line count, reading speed, overlaps with neighboring captions, and gaps that are too small.

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Import and export

You can import existing subtitles and export your work in standard caption formats, including SubRip (SRT) and WebVTT. When you opened the editor from a media asset, you can also save the captions back to that asset so they travel with the video.