Fix Subtitle Delay Online – Subtitle Time Shifter

Instantly sync your subtitles with your video. Upload your .srt or .vtt file, set the time shift, and download the fixed file—no watermark, no signup.

Upload & Configure

Use + for delay, - for advance. Units: ms, s, m, h

Shifted Result

Upload a subtitle file and set a shift amount to see the result

How to Fix Subtitle Delay Issues

Shift Subtitles Forward or Backward

Use the time shift input to delay or advance all subtitle timings. Enter values like +2s to delay or -1.5s to advance. Supports ms, s, m, h.

Why Are My Subtitles Out of Sync?

Subtitles can go out of sync due to editing, encoding, or mismatched sources. This tool lets you quickly realign them without extra software.

Quick Start Guide

Upload SRT, Adjust Time, Download

Just upload your .srt or .vtt file, set the shift, and download the fixed file. No watermark, no registration, and works in your browser.

Step-by-Step

  1. Upload your .srt or .vtt subtitle file.
  2. Enter the time shift amount (e.g., +2s, -1.5s).
  3. Click Shift Times to process.
  4. Preview and download your adjusted file.