Mingmist Tools
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SRT Subtitle Time Shifter

Move an entire SRT subtitle track earlier or later without uploading the file.

In-browser processingNo adsNo account

Tool workspace

Nothing is uploaded

You can also paste subtitle content. The browser reads the file locally.

Positive delays; negative advances.

How to use

  1. Choose an SRT file or paste its contents.
  2. Enter seconds: positive delays, negative advances.
  3. Review the output before downloading the new file.
+2.500 seconds: subtitles appear 2.5s later
-1.250 seconds: subtitles appear 1.25s earlier

Privacy and data handling

Input and output are processed by the current browser tab. The site has no content upload API and does not write your content to an account or cloud storage.

Formats and limitations

Supports standard HH:MM:SS,mmm timestamps. Negative results are clamped to 00:00:00,000. This tool does not correct progressive subtitle drift.

Frequently asked questions

What if the timing error grows later in the video?

That is usually progressive drift caused by a frame-rate or duration mismatch. This version only applies a fixed offset.