Skip to content

Subtitle Sync

Adjust subtitle timing to sync with your video. Shift all subtitles forward or backward, or scale timing for speed-adjusted videos.

How to Sync Subtitles

Subtitle Sync helps you fix timing issues in subtitle files. Whether your subtitles are too early, too late, or out of sync due to video speed changes, this tool makes it easy to adjust.

Features

  • Support for SRT and VTT subtitle formats
  • Shift all subtitles forward or backward
  • Scale timing for speed-adjusted videos
  • Fine-tune with 0.1 second precision
  • Preview changes in real-time
  • Download adjusted subtitle file

Common Use Cases

  • Fix subtitles that appear too early or late
  • Sync subtitles for different video versions
  • Adjust for videos played at 1.25x or 1.5x speed
  • Fix gradually drifting subtitles
  • Convert between SRT and VTT timing

100% Private, Client-Side Processing

Your subtitle files never leave your device. All processing happens directly in your browser. No uploads, no servers, complete privacy.