TXT to SUB Converter • Online & Free • MConverter

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How to convert TXT to SUB?

You can convert TXT to SUB with MConverter in three easy steps:

Choose TXT files from your device or cloud storage
At the top of this page, drag and drop your TXTs.

Alternatively, click on the Browse box to select files with your device's file picker, or copy and paste a TXT file by pressing Ctrl+V (or ⌘+V on Mac).

MConverter can easily import TXTs from Google Drive, OneDrive, and Dropbox.

Converting a folder with TXT files to SUB is also supported: simply paste, drag and drop it, or use the ADD FOLDER button.
Click or tap on SUB from the list of target formats
You could also use the search box at the top right to quickly find the format you need, whether it's SUB or something else.
Get your SUB files after MConverter has finished processing them
Click on DOWNLOAD ALL to save your SUBs to your default downloads folder, or select SAVE TO to choose another location.

You can also configure automatic file downloads during the conversion process or in the settings menu. When enabled, each SUB file is downloaded as soon as its conversion is complete, without waiting for the others to finish.

If supported by your device, you'll see a Share icon, allowing you to directly send converted files to other apps.

About the formats

File extension	.txt
Category	Document/Office file formats
Developed by	-
Mime type	text/plain

Format description

TXT files are regular text files. They cannot contain formatting.

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.