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What is a SUB file?
File extension
.sub
Category
Subtitles file formats
Developed by
Tiamat Software
Mime type
text/x-microdvd
Format description
MicroDVD Subtitle files (SUB) contain subtitle text, start and end time points. SUB files are meant to be used together with the corresponding video the subtitles are for. MicroDVD Subtitle do not support text formatting.
Note: SUB files do not contain a video stream inside.
Common questions about converting to SUB
Can I convert to SUB in bulk?
Yes, MConverter supports batch converting to SUB. You can even drag and drop folders to convert to SUB. Pasting files and folders copied in the clipboard also works: use Ctrl+V.
Can I convert a file to SUB, if its size is 2 GB?
Yes, with MConverter Pro you can convert big files, up to 2 gigabytes each. The free version lets you convert files up to 100 MB. If you need to convert files over 100 megabytes to SUB, try MConverter Pro. If your files aren’t over 1 GB, then you can use MConverter Plus instead, as it’s cheaper.
Is converting to SUB safe with MConverter?
Yes, we encrypt your connection using industry standards. Plus, your files are only accessible by you. 4 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your files immediately after finishing the conversion by clicking the bin icon. Join thousands who have trusted us to convert over 11,818,900 files so far.
How long does it take to convert a file to SUB?
For most files with subtitles, the wait is just one or two seconds. However, MConverter also supports converting larger files with subtitles, meaning that it could take a while (up to over an hour, for example).