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Free Tool

Video Subtitle Generator

Get accurate AI captions for your video in seconds. Free for clips up to 2 minutes, no sign-up.

Your file is uploaded securely for transcription only and permanently deleted right after — we don't store or reuse it.

Want captions burned directly onto your video?

ShortPurify auto-generates styled, animated captions and burns them onto your clips — plus smart crop and one-click publishing to TikTok, YouTube Shorts, and Instagram Reels.

Try ShortPurify Free

No credit card required · Free plan available

How to add subtitles to a video for free

Upload a video or audio file up to 2 minutes long, click Generate Subtitles, and AI transcription runs in the background — usually finishing in under a minute. You'll get the full transcript plus downloadable SRT and VTT files ready to import anywhere.

Where to use your subtitle file

  • YouTube: Upload the .srt file directly in YouTube Studio's caption settings
  • Video editors: Most editors (Premiere, CapCut, DaVinci Resolve) import .srt files directly onto the timeline
  • Websites: Use the .vtt file with an HTML5 <track> element for accessible web video

Why add captions to your video?

Over 80% of social video is watched with sound off. Captions keep viewers watching longer, improve accessibility, and help platforms index your content for search — all of which tends to boost reach and watch time.

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