An SRT file is a plain-text caption file in the SubRip format. The extension is `.srt`. Video players and editors read the time-coded blocks inside it and show the matching line of text on screen while the video plays.
If you only need a readable document, TXT or DOCX is the right export. If you need timed captions a player can sync to the video, you want SRT or VTT. Wider format comparison: transcript format guide.
What is inside an SRT file
An SRT is built from repeating blocks, one per caption line (or short group of lines). Each block has three parts, in order:
A sequence number that just counts up from one. A time range showing exactly when the line appears and when it disappears, down to the millisecond. Then the actual text of that line, sometimes one sentence, sometimes a short phrase if the pacing is fast.
Blocks are separated by a blank line. There is no header line at the top of the file the way WebVTT has one, SRT just starts straight into block number one. You can open a `.srt` file in any plain text editor and read it exactly as described above, it is not a binary format hiding anything.
SRT vs VTT (quick decision)
Extension
- SRT (SubRip)
- `.srt`
- VTT (WebVTT)
- `.vtt`
Header
- SRT (SubRip)
- No header line, starts at block one
- VTT (WebVTT)
- Starts with a `WEBVTT` line
Native home
- SRT (SubRip)
- Editors, YouTube Studio, Premiere, most NLEs
- VTT (WebVTT)
- HTML5 `<track>`, many web players
Styling hooks
- SRT (SubRip)
- Minimal, plain timed lines
- VTT (WebVTT)
- More room for cue settings on the web
What most people default to
- SRT (SubRip)
- The "just make captions work" export
- VTT (WebVTT)
- Web embeds and some HTML5 workflows
Practical rule: If a tool or platform specifically asks for SRT, export SRT. If a player's docs say WebVTT or `.vtt`, export VTT. File Transcribe exports both once you sign in free. Full VTT breakdown: what is a VTT file.
SRT vs TXT: the mistake that trips people up
A TXT transcript is just the words, no timing at all. An SRT needs a start time and an end time for every line. You cannot rename a `.txt` file to `.srt` and expect it to work, the timing data simply is not there to begin with. If your only transcript is plain text with no timestamps, you need to go back to the original audio or video and generate a timed transcript, not edit the text file directly. Full walkthrough: how to export SRT from any transcript.
Where SRT shows up in real workflows
YouTube Studio accepts SRT directly for caption uploads, and it is the format most creators default to without thinking twice.
Video editors like Premiere, DaVinci, and CapCut import SRT for subtitle tracks, since it is the oldest and most universally supported timed caption format around. Step-by-step for one editor: how to add captions in Premiere from an SRT.
Meeting and call platforms sometimes export SRT-adjacent files alongside their native notes, though the quality and completeness varies a lot by platform, see how to get a transcript from a Zoom cloud recording for one specific example. Intent page: transcribe Zoom meetings.
When to export SRT from File Transcribe
Export SRT when:
- A platform, editor, or client explicitly asks for `.srt`
- You are working in Premiere, DaVinci, CapCut, or YouTube Studio and want the safest default format
- You are not sure which caption format a destination wants, SRT has the widest support of the two
Reach for VTT instead when:
- You are wiring captions into an HTML5 player or CMS that documents WebVTT specifically
- A host or LMS explicitly asks for `.vtt`
Workflow either way:
- Upload the video or audio on the homepage, guest upload works for a first draft.
- Fix speakers, names, and obvious errors in the segment editor.
- Sign in free if you need subtitle export.
- Download SRT (or VTT).
- Attach the file wherever the video lives.
SRT is not a transcript archive
A caption file is built for on-screen reading in short bursts, it chops speech into brief cues timed to match speaking pace. A full meeting record or interview writeup wants longer paragraphs, speaker labels, and a document you can search and quote from, not a stream of two-second cues.
Use both when the same recording needs to become a published video and an internal document. Upload once in File Transcribe, export DOCX or TXT for the written record and SRT for the caption track.
FAQ
What is an SRT file used for?
Timed captions or subtitles on a video. Players read the time-coded blocks and display each line in sync with the audio as it plays.
Is SRT the same as SubRip?
Yes. SubRip is the format name, `.srt` is the file extension almost everyone uses when talking about it casually.
Can I open an SRT file without special software?
Yes. Any plain text editor opens an SRT file. You do not need a video editor just to read or lightly edit the timing and text.
Does File Transcribe export SRT for free?
Yes on accounts with subtitle export enabled, which includes the free tier after signup. Guest uploads cover the transcript draft, sign in to download SRT or VTT. Confirm current limits on pricing.
Which is better for YouTube, SRT or VTT?
Both work. SRT is the more common default among creators and the format most editors export natively. Either satisfies YouTube Studio's caption upload requirement.
Do this next
Upload your video or audio on File Transcribe, fix the draft in the segment editor, then export SRT for whatever platform or editor is asking for it.
Related: What is a VTT file · How to get an SRT file from a video · How to export SRT from any transcript · Transcript format guide
More guides
- Transcription guides
- Try File Transcribe free
- Transcript format guide
- Best transcription software
- Transcribe Zoom meetings