Convert SRT to SMI (SAMI)
Turn SRT subtitles into SAMI (.smi) for Windows Media Player, PotPlayer and Korean media players.
Drop up to 10 subtitle files
SRT · VTT · ASS · SBV · SUB · STL — 100% in your browser, nothing is uploaded
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Need .smi subtitles for a Windows media player?
SMI (SAMI, Synchronized Accessible Media Interchange) is Microsoft's
HTML-based caption format — the default for Windows Media Player and
the standard across Korean media players like PotPlayer, KMPlayer
and GOM Player. Converting SRT to SMI wraps each subtitle in a <SYNC Start="ms"> block so your text plays in the
players that expect .smi files.
The conversion runs 100% client-side — your file never leaves your device.
All 21 tools → or or try the free SRT ↔ VTT converter
Only got the captions? Do more with them.
Whether you need one step or all of them — translate, transcribe, convert — the family's tools have you covered.