This subtitle converter can quickly convert subtitles to SubRip (SRT) or any supported format.

It removes all custom styles and comments from the original file so you will get a clean subtitle.

Features

Supported Subtitle File Format

SAMI (Synchronized Accessible Media Interchange)
SubStation Alpha (or ASS)
MicroDVD
SubViewer 2.0
WebVTT (Web Video Text Tracks)
Youtube Specific XML Format (Read-Only)
Timed Text Markup Language

Automatic Encoding Converter

You don't need to worry about encoding problem anymore such as EUC-KR.

This software will detect your subtitle encoding type and convert into UTF-8 automatically.

Batch Conversion

You can convert all supported formats with one command line.

Downloads

https://github.com/Cryental/Kayla.NET/releases

Windows

Download Kayla.NET-Win64.exe from Releases and run.

Linux

Download Kayla.NET-Linux from Releases and run following commands:

$ chmod 777 Kayla.NET-Linux
$ chmod +x Kayla.NET-Linux
$ ./Kayla.NET-Linux

Tested with Ubuntu 20.04.

macOS

Download Kayla.NET-macOS from Releases and run following commands:

$ ./Kayla.NET-macOS

Tested with macOS 10.15.

How To Use

Syntax:
  -i, --input     Required. Set the files or folders to be converted.

  -o, --output    Required. Set the path to save the converted files.

  -f, --format    Set the output format. The default value is SubRip. You can use following formats:
                  MicroDVD (*.sub)
                  SAMI (*.smi)
                  SubStationAlpha (*.ass)
                  SubViewer (*.sub)
                  TimedText (*.xml)
                  WebVTT (*.vtt)
                  SubRip (*.srt)

  -s, --sync      Set seconds to adjust subtitle sync. e.g: 3 or -3
  
  -b, --batch     Set if you want to convert all supported files in a folder.
  
  Batch Convert: $ Kayla.NET --batch --format [Format] --input "/path/to/folder/sub.smi" --output "/path/to/folder/output" 
  Single File Convert: $ Kayla.NET --format [Format] --input "/path/to/folder/sub.smi" --output "/path/to/folder/output"
Example:
  $ Kayla.NET --format SubRip --input "/path/to/folder/sub.smi" --output "/path/to/folder/output"

Requirements

This software will work with Windows, Linux and macOS without any additional software.

Disclaimer

This software is licensed by GPL-3.0 License.

Some code snippets are from https://github.com/AlexPoint/SubtitlesParser.