The SRT (SubRip Text) format is the most widely used subtitle format in the world. If you work with video, it's essential to understand how it works and how to edit it.
What is an SRT file?
An SRT file is a plain text file that contains subtitle information: the sequence number, start and end times, and the text to display. It's compatible with the vast majority of video players and streaming platforms.
SRT file structure
Each entry in an SRT file follows this pattern:
1
00:00:01,000 --> 00:00:04,000
Hello, how are you?- Sequence number: Numeric identifier for each subtitle
- Start time --> End time: Format HH:MM:SS,milliseconds
- Text: The subtitle content
How to edit an SRT file?
You can edit an SRT file in several ways:
- Text editor: Open the file with any text editor and modify directly
- Specialized tools: Use tools like SRT-Tools Sync for conversion and editing
- Online editors: Several platforms offer online SRT editors
SRT editing tips
- Keep times precise — a 100ms offset can be noticed by the viewer
- Don't exceed 2 lines per subtitle
- Use a maximum of 37-42 characters per line
- Leave at least 1 second between subtitles for comfortable reading