How to Extract Subtitle from MKV, MP4, VOB, etc. with the Best Subtitles Extractor

The video with subtitles is mainly in MKV format. The VOB format can also be subtitled, but it rarely appears alone. In addition, some MP4 can also be subtitled now.

What is an SRT file?

SRT or SubRip text is perhaps the most basic of all subtitle formats. In general, SRT files mainly contain the number of subtitles in the sequence, the start and end times when the subtitle appears, the subtitle content, and the blank line indicating the start of a new subtitle. SRT does not contain any video data. It's just a text file that allows you to create or edit with any text editor you want.

What is an SSA file?

SSA stands for Sub Station Alpha. It's the file format used by the popular subtitle editor, Sub Station Alpha. It allows you to add more special display effects such as location, karaoke and style management than traditional SRT and similar captions. SSA subtitles are saved in text format, but are more complex than SRT.

What is an ASS file?

Along represents the Advanced Sub Station Alpha, it contains all the functions of SSA and expands more effect on the basis of SSA. ASS subtitles allow for formatting and styling of subtitle text and are popular in animation and karaoke projects.

What is PGS Subtitle?

PGS (Presentation Grapic Stream) subtitles are based on images and usually have a lot of styles, colors, and so on. They are commonly used for karaoke in Disney movies or things like that. But it cannot be modified easily. Moreover, the size of PGSs is much bigger than that of SRT.

1. Auto Subtitle and Hardcode Subtitle

Sometimes, we would like to know how can generate automatic subtitles based on a speech from the video file we uploaded to YouTube and Facebook. Or, how do we add hard subtitles to video to make them part of the video and cannot be closed or removed?

Click here and get 3 free auto subtitle generators for captioning your videos >

Learn more about how to hardcode subtitles to video >