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ADD SUBTITLES TO VIDEO
Add Subtitles to Video Free and Export a Captioned MP4
Start with a video, generate captions or import subtitles, fix the text and timing, choose a caption style and export a captioned MP4 or subtitle files.
Captioned MP4
Create captions
Style visually
Preview first
Publish ready
Captioned video project
Ready to export
How it works
Add subtitles to a video in a few steps
Start with a video, create editable captions, then export a finished captioned video for publishing.
Create captions
Generate subtitles automatically or import an existing SRT or VTT file.
Edit the captions
Fix words, adjust line breaks and sync subtitle timing.
Style the subtitles
Choose fonts, colors, outlines, backgrounds, placement and word highlights.
Export video
Export the finished captioned MP4, plus optional subtitle files if you need them.
Edit before export
Begin with captions, then polish the video
Start with a video that has no captions, create subtitles, clean them up, choose a style and export the final captioned video.
Open the Editor- Edit every subtitle block in the browser
- Create captions for a video that starts without subtitles
- Fix wording and line breaks before export
- Adjust timing against the video preview
- Preview captions before exporting video
- Export the final captioned MP4
Captioned video export
Export video with subtitles burned in
For this workflow, the main output is a finished video with captions visible. Subtitle files are optional supporting exports.
Captioned MP4
Render styled subtitles directly into your video so they are always visible.
Optional subtitle files
Download SRT or VTT files when a platform needs a separate caption track.
Caption styling
Make subtitles match your video style
Your captions are part of the final video. Choose readable caption styles for tutorials, social clips, product demos, courses and client-facing exports.
Make every subtitle line match your style.
Import subtitles
Already have subtitles? Use the SRT page instead
This page is for creating captions from scratch. If you already have an SRT or VTT file, use the import workflow to sync, style and export it with your video.
Add SRT to VideoUse cases
Add subtitles to videos people actually watch
Use Captn when you want captions that are readable, editable, styled, and ready for the platform where the video will be published.
YouTube videos
Add readable subtitles to long-form videos, then export a captioned MP4 or optional subtitle files for upload.
TikTok, Reels, Shorts
Create captioned short-form videos with bold subtitles that stay visible when viewers watch without sound.
Screen recordings
Subtitle walkthroughs and demos so every step is readable in the final exported video.
Podcasts
Turn talking-head clips into captioned video assets that are easier to follow and share on feeds.
Online courses
Publish lesson videos with readable captions and optional SRT or VTT files for learning platforms.
Webinars
Clean up webinar captions and republish replays as subtitle-ready videos for attendees and follow-ups.
Product demos
Add branded captions to client-facing demos and walkthroughs before exporting the final video.
FAQ
Questions before you add subtitles?
Quick answers about adding subtitles to video for free, editing captions, styling text, and exporting a captioned MP4.
Can I add subtitles to a video for free?
Yes. You can start free, add captions to a video, edit and style them, and export the result. Free upload and export limits apply.
Can I add subtitles before exporting the video?
Yes. You can create captions, edit subtitle text, adjust timing, style the subtitles and preview them before exporting the final video.
Can I export a video with burned-in subtitles?
Yes. Captn can export a captioned MP4 with subtitles rendered directly into the video, so captions stay visible wherever the file is uploaded.
Can I import an existing SRT or VTT file?
Yes. You can import an existing SRT or VTT file, edit and style it, then export a captioned video or a cleaned subtitle file.
Can I style the subtitles?
Yes. Captn supports fonts, colors, outlines, shadows, background boxes, placement, motion, and word-highlight styling.
Can I export SRT or VTT too?
Yes. This page focuses on captioned video export, but you can also download SRT and VTT subtitle files from the same project.
Will the preview match the exported video?
Captn is built around preview and export parity, so caption placement, wrapping, styling, and word highlights are designed to stay aligned.
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