Subtitle Timing Sync Tool

SRT Timing & Sync Adjuster

Fix subtitle sync lag, delay, or drift instantly. Shift all timestamps by exact milliseconds, scale playback speeds (23.976fps to 25fps), and download fixed .SRT, .VTT, or .ASS files.

Time Offset Shift (Delay / Advance)+0.000s

Positive numbers delay subtitles (appear later), negative numbers advance subtitles (appear earlier).

Speed / FPS Drift Ratio1.000x

Scale timing for framerate conversions (e.g. 23.976fps to 25fps = 0.959x).

Adjusted Subtitle Output Preview

0 cues

Frequently Asked Questions

Everything you need to know about generating, styling, and exporting subtitles for free.

Is Subtitle Generator Free completely free to use?+

Yes, 100% free with no hidden paywalls, no credit card requirements, and no watermarks on your videos or subtitle files.

How do I generate subtitles from an existing script or text?+

Simply click the "Script to Subtitles" tab in our studio, paste your raw transcript or lyrics, adjust your preferred reading speed (WPM), and click "Auto-Generate Subtitle Cues". Our algorithm will segment the sentences into optimal lines and calculate exact timestamps automatically.

Can I burn the animated subtitles directly into my video file?+

Yes! In the Live Video Studio tab, you can customize the caption animations, positions, and fonts, then click "Export Video (Burn-In Subtitles)" to render and download your video with hardcoded subtitles directly in your browser.

What subtitle export formats are supported?+

You can export industry-standard .SRT (SubRip) files, .VTT (WebVTT) files for web players, and .TXT plaintext transcripts, as well as copy timestamped cues directly to your clipboard in one click.

Is my audio and video data kept private and secure?+

Absolutely. Subtitle Generator Free operates client-side inside your browser sandbox. Your media files and scripts are processed locally and are never stored or uploaded to third-party databases.

What video aspect ratios are supported for social media?+

Our studio supports 9:16 vertical (TikTok, Instagram Reels, YouTube Shorts), 16:9 widescreen (YouTube, TV, Presentations), and 1:1 square (Instagram feed, LinkedIn, Facebook).