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字幕のタイミング調整

字幕のタイミングをずらして同期

ブラウザで動作 · アップロード不要

このツールとページ内の説明は、現在は英語のみです。動作は同じで、すべてブラウザ内で実行されます。

Drag & drop a subtitle file

or

SRT, VTT, ASS, SSA, SBV, TTML, DFXP or LRC, or paste the subtitles below

Your files stay on your device. Nothing is uploaded.

Positive = show later (for example 1.5). Negative = show earlier (for example -2.25).
Use this when the subtitles drift more and more out of sync.
  • 何も端末から出ません
  • サーバーによるサイズ制限なし
  • 登録不要・透かしなし
  • 無料

How to sync subtitles

  1. Open your .srt or .vtt file, or paste the subtitles.
  2. Enter how many seconds to move them: a positive number makes them later, a negative number earlier.
  3. Download the fixed file.

Good to know

  • Find the right value by noting when a line is spoken in the video and when its subtitle appears.
  • If subtitles start in sync but drift more and more, the frame rate differs: use the frame rate fix.
  • Subtitles moved to before 0:00 are removed; one that is only partly before 0:00 starts at 0:00.

よくある質問

Can it fix subtitles that drift over time?

Yes, when the drift comes from a frame-rate difference (23.976, 24 and 25 fps). Choose the matching frame rate fix.

Is my file uploaded?

No. Everything happens in your browser.