Video caption questions
How do I add an SRT subtitle file to a video on iPhone?
Open the video in Captionry and import the SRT or WebVTT file as its captions. Captionry shows you every change before it applies the file, then burns the subtitles into the exported video, so they show in every app. The file must be saved as UTF-8 text. Importing and exporting are free.
What to know
- Burned-in subtitles are part of the picture: every app shows them, and viewers cannot turn them off.
- Captionry imports SRT and WebVTT files saved as UTF-8 text, as the main captions or as the second line.
- A different file replaces the captions on that line, and you see a preview of every difference first.
- Importing the file and exporting the video both happen on your iPhone.
Checked: October 2026 · Sources: w3.org
How to do it with Captionry
- Open Captionry and pick your video. Captionry first makes captions from the speech.
- Tap Languages, then Subtitle file under More options, and import your SRT or WebVTT file.
- Choose whether it is the main captions or the second line, and check the preview of changes.
- Pick a caption style and export. The video is saved to Photos with the subtitles burned in.
Related questions
Why won’t my SRT file import?
It must be UTF-8 text. Open it in a text editor, save it as UTF-8 and try again.
Can viewers turn the subtitles off?
No. Captionry burns subtitles into the picture. For a track viewers can switch off, use a player or editor that supports subtitle tracks.
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