Free browser utility
YouTube Timestamp Formatter
Paste messy timestamp lines, select a display style and sort or deduplicate them when needed.
✓ Local processing✓ No registration✓ No file upload
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Before
90 Introduction 1:5 Setup
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After
1:30 Introduction 1:05 Setup
How to use YouTube Timestamp Formatter
- Paste text or select local files in the tool area.
- Choose any options that match the source data.
- Run the conversion or repair and review the preview.
- Copy the result or download the generated file.
Privacy and local processing
This project performs processing, document generation or calculations in your browser. The page does not include an upload endpoint, analytics script or remote processing API call. Avoid pasting sensitive data into websites you do not control.
What this tool includes
- mixed timestamp parsing
- sorting and deduplication
- multiple output styles
Common uses
- video descriptions
- livestream notes
- podcast show notes
Practical tips
- Check the final order if the original list contains labels without timestamps.
Frequently asked questions
Does YouTube Timestamp Formatter upload my data?
No. The included tool runs locally in your browser and does not send the entered content to a processing server.
Can I use the result commercially?
The generated result is based on your own input. Review it for accuracy and any third-party rights before commercial use.