SRT
SRT Subtitle File
SRT is a plain-text subtitle file format used worldwide for displaying time-synchronized captions in videos and movies.
What is SRT Subtitle File?
The SubRip Subtitle (.srt) format contains sequence numbers, start and end timestamps, and plain text of the spoken dialogue. Developed for the SubRip DVD-ripping software, it has since become the industry standard for web video, streaming platforms, and media players due to its simplicity and universal compatibility. You can easily manage and convert this format using tools like srt-to-vtt, vtt-to-srt, ass-to-srt, srt-to-ass, and sub-to-srt.
Advantages
- Human-readable plain text structure
- Supported by almost all media players and video editors
- Extremely lightweight file size
- Easy to edit manually using any text editor
Limitations
- Does not support advanced text styling, fonts, or positioning
- Prone to time-sync drift if frame rates mismatch
How to open SRT Subtitle File files
VLC Media Player
Notepad / TextEdit
PotPlayer
Adobe Premiere Pro
Subtitle Edit
Common use cases
- Adding subtitles to movies and TV shows
- Translating video content into multiple languages
- Creating closed captions for online courses and YouTube videos
- Archiving text transcripts of multimedia files
Explore other formats
Frequently asked questions
SRT stands for SubRip Subtitle, named after the software tool used to extract subtitles from DVDs.
You can open an SRT file in any plain text editor like Notepad or TextEdit to view or edit the text. To view it with a video, use a media player like VLC.
Yes, you can easily convert SRT files to VTT format and vice versa using online tools like ConvertX.