SRT Formatter
SRT Formatter renumbers your cues in order and repairs the spacing so the SRT is valid.
SRT Formatter is a browser-based text tool on TextToolsBase. SRT Formatter renumbers your cues in order and repairs the spacing so the SRT is valid. To use it, paste or type your text and view the result directly in your browser — no signup and nothing to install.
After editing subtitles by hand, the cue numbers fall out of order and the blank lines between cues go missing, which breaks players.
This formatter rebuilds your SRT: it renumbers every cue from 1 in order and restores the blank line between cues so the file validates.
How to use SRT Formatter
- Paste your messy or edited SRT into the left panel.
- The tool renumbers the cues and repairs the spacing live.
- Copy the valid SRT from the right panel or download it as an SRT file.
What you can do with it
- Renumber cues after deleting some lines.
- Repair spacing before uploading subtitles.
- Tidy an SRT that was edited by hand.
Good to know
A valid SRT separates cues with a blank line and numbers them sequentially from 1. This tool keeps each timestamp and its text but fixes the numbering and the cue spacing.
Frequently asked questions
What does renumbering do?
Every cue is renumbered in sequence starting at 1, regardless of the numbers in the input.
Does it change the timestamps?
No. The timestamp line of each cue is kept; only the numbering and spacing are repaired.
Why do cues need blank lines?
SRT separates cues with a blank line, and missing separators can stop players from reading the file correctly.