The SRT format is a simple and widely used subtitle format supported by most video players and editing software.

Format

• The file consists of sequentially numbered subtitle blocks.
• Each block contains four parts:
  1. Sequence Number: A numeric counter indicating the order of the subtitle.
  2. Timecode: The start and end time of the subtitle, separated by -->.
     • Standard format: hours:minutes:seconds,milliseconds (e.g., 00:00:20,000).
     • Leniency: Lingohub supports both comma (,) and period (.) as the decimal separator for milliseconds.
  3. Text: The subtitle content itself, which can span multiple lines.
  4. Blank Line: A mandatory blank line indicating the end of the subtitle block.
• Key Mapping: In Lingohub, the timecode range (e.g., 00:00:00,000 --> 00:00:02,500) is used as the key for the segment.

Used by

• YouTube (captions)
• Facebook (video captions)
• VLC Media Player
• Most video editing software (Adobe Premiere, Final Cut Pro, DaVinci Resolve)

Examples

Here is a valid SRT file example:

1
00:00:00,000 --> 00:00:02,500
Welcome to the Example Subtitle File!

2
00:00:03,000 --> 00:00:06,000
Line 1
Line 2

3
00:00:07,000 --> 00:00:10,500
You can use SRT files to add subtitles to your videos.

References

• Wikipedia: SubRip