Free browser utility
Subtitle Case Converter
Choose a case style and apply it only to spoken text. Basic subtitle tags remain in place.
✓ Local processing✓ No registration✓ No file upload
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Before
THIS IS A SUBTITLE TITLE
→
After
This Is a Subtitle Title
How to use Subtitle Case Converter
- 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
- sentence and title case
- timestamp preservation
- tag-aware conversion
Common uses
- style guide cleanup
- all-caps caption repair
- title formatting
Practical tips
- Review acronyms and names after sentence-case conversion.
Frequently asked questions
Does Subtitle Case Converter 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.