How to use the tool
- Add a subtitle file or paste text.
- Review the detected format and encoding.
- Set the options and run the operation.
- Review warnings and download the result.
Important limitations
Advanced ASS styling, TTML regions and format differences may require simplification. The service reports these changes and leaves the source file unchanged.
FAQ
Are files uploaded to a server?
No. Processing takes place on the user’s device.
Can I add a local video?
Yes. The browser opens the file through a local Blob URL without uploading it.