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    Speed Run: The Complete List of Stra.ai Subtitle Shortcuts

    If you are editing subtitles regularly, the difference between clicking through menus and knowing your shortcuts is significant. This is the complete reference for every keyboard shortcut in the Stra.ai subtitle editor.
    Yo
    Yongho Kim
    Mar 27, 2026
    Speed Run: The Complete List of Stra.ai Subtitle Shortcuts
    Contents
    The full shortcut listWhen to use each oneA note on navigationWhat to do next

    The full shortcut list

    Action

    Shortcut

    Play and pause

    Space

    Add subtitle segment

    A

    Split segment

    Ctrl K (Windows) or Cmd K (Mac)

    Merge with next segment

    J

    Delete segment

    Del or Backspace

    Zoom in and out on timeline

    Ctrl and scroll wheel


    When to use each one

    Space is the one you will use constantly. Hit it to play, hit it again to pause. Keep one hand on the keyboard and one on the mouse while you review and you will move through a project twice as fast.

    A adds a blank segment at the current playhead position. Position the playhead at the start of a missing line, hit A, and a new segment appears ready to edit. No need to reach for the plus button.

    Ctrl K or Cmd K splits the selected segment at the playhead position. Use this when one block contains two separate lines that need different timing. Position the playhead exactly where the split should happen, then hit the shortcut.

    J merges the selected segment with the one immediately after it. Use this when two short segments read better as a single line. Select the first one and hit J.

    Del or Backspace removes the selected segment entirely. Select the block you want to remove in the work area or on the timeline and hit either key.

    Ctrl and scroll wheel zooms the timeline in and out. Scroll up to zoom in for precise frame-level timing adjustments. Scroll down to zoom out and see more of the video at once. This is the fastest way to navigate the timeline without touching the zoom controls.


    A note on navigation

    To move left and right along the timeline without zooming, hold Shift and scroll with your mouse wheel. This is not a shortcut list item but it is worth knowing alongside the shortcuts above.


    What to do next

    Now that you know the shortcuts, the rest of the subtitle workflow is covered here:

    • To review the full editor interface, go to AI Subtitles Overview: Navigating the Subtitle Interface

    • To adjust subtitle timing, go to The Timeline Masterclass: How to Sync Subtitles to Video Frames

    • To edit your translation, go to Subtitle Work Area: Pro-Tips for Editing Your Translation

    • To export your finished subtitles, go to Finalizing Your Subs: How to Export Your SRT Files

    • Ready to try dubbing? Start here: AI Dubbing Overview: How AI Voiceover Technology Works

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    Contents
    The full shortcut listWhen to use each oneA note on navigationWhat to do next

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