SubRip

SubRip is the native subtitle format of the SubRip program. It is one of the most used formats for subtitles.

It may have the file extension .srt. It can be embedded in mkv files

Specification

Format

Subtitles are formatted as follows:

n

h1:m1:s1,d1 --> h2:m2:s2,d2

Line1

Line2

...

<blank line>

n = sequential number. This may also appear on the same line as start/stop times.
h1:m1:s1,d1 = start time
h2:m2:s1,d2 = stop time

Example

1
00:00:20,000 --> 00:00:24,400
a bla bla ble a bla bla ble
a bla bla ble
 
2 
00:00:24,600 --> 00:00:27,800 
a bla bla ble... 

Extensions

Some subtitles feature html tags inside the SubRip text:

• b: bold
• s: strikethrough
• u: underline
• i: italic
• font color=... face=...: font attributes