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SMI converter, in your browser.

Convert SMI (SAMI) files to SRT, VTT, ASS and TXT and more, or turn other files into SMI. Everything on this page is converted in your browser, so your files never leave your device.

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Convert SMI to…

8 formats

Convert to SMI from…

5 formats

About SMI

SAMI is an HTML-like subtitle format from Microsoft, with each cue a SYNC tag holding the start time in milliseconds. It can hold several languages in one file, selected by style class. It is most common in South Korea.

SMI is HTML-like and many players outside Windows and Korea do not read it. SMI can carry several languages in one file for the players that read it.

Stands for
Synchronized Accessible Media Interchange
Type
Subtitles
Compression
None
Introduced
The late 1990s, by Microsoft
Opens in
Windows Media Player, KMPlayer, PotPlayer, VLC and Korean-market players
Best for
Subtitles for Korean-market players and multilingual files
File extension
.smi, .sami
MIME type
application/x-sami

Questions

How do I open an SMI file?

SMI opens in: Windows Media Player, KMPlayer, PotPlayer, VLC and Korean-market players. If your device or app cannot open it, convert it to SRT or VTT above.

What can I convert SMI to?

toany converts SMI to SRT, VTT, ASS, TXT, SBV, TTML, CSV and JSON.

What can I convert to SMI?

toany creates SMI files from SRT, VTT, ASS, SBV and TTML.

Are my files uploaded?

No. Every SMI conversion listed here runs inside your browser. The files stay on your device.

Other subtitle formats

Subtitle converter