Convert Video
Convert Subtitle Format Online – SRT, VTT, ASS, SSA, SUB
VideoMuto converts subtitle files between formats — SRT, VTT, ASS, SSA, SUB — in your browser.
- No file limits
- No registration
- Free forever
- Videos never leave your browser
Conversion happens locally in your browser. Your files never leave your device.
Everything runs locally — your file never leaves this device.
convert a caption file from one format to another so it works with the player or editor you are using.
How to Convert Subtitle Formats
Add Your Subtitle File
Drop the SRT, VTT, ASS, SSA, or SUB file onto the page.
Choose the Target Format
Pick the format you need for your player or editor.
Download the Converted File
Click Convert and download the new subtitle file.
Why Convert Subtitle Formats?
Different players and editors accept different caption formats. A quick conversion makes any caption file work anywhere.
Local conversion means your captions never leave your device.
Subtitle Format Options
| Formats | SRT, VTT, ASS, SSA, SUB |
|---|---|
| Preserved | Cue text and timing |
| Output | Converted subtitle file |
| Registration | Not required |
| Upload | None, processed on your device |
Frequently asked questions
Which subtitle formats are supported?
SRT, VTT, ASS, SSA, and SUB.
Is timing preserved?
Yes. Cue text and timing are carried across the conversion.
Related tools
Your videos never leave your browser
All processing happens locally on your device. Nothing is uploaded to a server, stored, or tracked.