YouTube Studio
Upload the SRT in the subtitles section of any video. YouTube indexes the text for search and uses it as the base for automatic translation into other languages.
AI-Powered SRT Generation
Free SRT Generator
Turn Any Video into an SRT File
Upload a video. AI timestamps every word to the millisecond. Edit in your browser. Download an SRT file. Your video never leaves the browser.
Free account, no credit card·60 min/month free·Video stays in browser
subtitles.srt
1
00:00:01,240 --> 00:00:03,680
Welcome to the tutorial.
2
00:00:04,100 --> 00:00:06,950
Today we will walk through
the complete workflow.
3
00:00:07,400 --> 00:00:10,120
Let's start with the basics.
SRT/VTTExport formats
msTiming precision
30Caption styles
0Video frames uploaded
Get Started
Generate Your First SRT File
Upload your video, review the AI transcript, edit timing to the millisecond, and download your SRT. No software to install. Your video stays in the browser.
MP4, WebM, MOV · up to 10 min
The Format
What Is an SRT File?
SRT (SubRip Text) is the most widely supported subtitle format in video editing and publishing. YouTube Studio, Premiere Pro, DaVinci Resolve, Final Cut Pro, Facebook, and most learning management systems accept SRT files directly. The format is plain text, which means you can open and edit it in any text editor.
Each subtitle block has three parts: a sequence number, a time range in HH:MM:SS,mmm format, and the caption text. The comma separates milliseconds (VTT uses a period instead). A blank line marks the end of each block. That is the entire specification. Any srt file generator that produces valid output gives you a file compatible with nearly every video platform and editor on the market.
SRT Format Structure
1
00:00:01,240 --> 00:00:03,680
Welcome to the tutorial.
2
00:00:04,100 --> 00:00:06,950
Today we will walk through
the complete workflow.
3
00:00:07,400 --> 00:00:10,120
Let’s start with the basics.
Sequence·Timestamps·Caption text
How It Works
How to Generate an SRT File from a Video
Four steps, under two minutes. This video to srt generator turns raw video into a downloadable subtitle file.
1
Upload Your Video
Drop an MP4, WebM, or MOV file. Your video stays on your device, up to 1080p. No video data is transmitted.
2
AI Transcription
Audio is extracted in the browser and sent to AI. Every word gets its own millisecond timestamp. Language detection is automatic.
3
Edit Captions & Timing
Split, merge, edit text, adjust timestamps in MM:SS.mmm format. Every change previews in real time.
4
Download SRT
Pro/Max plans: download SRT or VTT. Free plan: export 720p MP4 with captions burned in (Chrome/Edge 120+).
Ready to generate your SRT file?
Free plan includes 60 min/month transcription, 720p export.
SRT vs. VTT
Both formats carry the same core data. The differences matter when you choose where to use the file. SnapSubtitles generates both from the same word-level transcript.
SRT Format
.srt
YouTube, Premiere Pro, DaVinci Resolve, Final Cut Pro
- Universal platform support: YouTube, Premiere, DaVinci, Final Cut, Facebook
- Plain text, editable in any text editor
- No header line required
- Millisecond precision with comma separator (HH:MM:SS,mmm)
- The safer default for most video workflows
VTT Format
.vtt
Web players, HTML5 video, browser-based platforms
- Native browser playback via HTML5 <track> element
- CSS styling support for web-based players
- Requires WEBVTT header line
- Millisecond precision with period separator (HH:MM:SS.mmm)
- Best for HTML5 web video and custom players
SRT is the safer default because more tools support it. Use VTT when embedding subtitles in a web page via the HTML5 <track> element. SnapSubtitles lets you switch between SRT and VTT download without re-editing. Your captions, timing, and text stay identical.
Compatibility
Where to Use Your SRT File
Premiere Pro
Import the SRT file as a subtitle track. Premiere renders captions on the timeline and lets you adjust position and styling before final export.
DaVinci Resolve
Import SRT as a subtitle track. DaVinci places captions on the timeline with full control over font, color, and positioning.
Upload the SRT when publishing a video post. Facebook displays captions to viewers who watch with sound off, which is the majority of mobile viewers in feed.
Learning Management Systems
Canvas, Moodle, and Blackboard accept SRT uploads alongside video content. Captions improve accessibility compliance and help non-native speakers.
Any Text Editor
SRT is plain text. Open the file in Notepad, VS Code, or any editor to make manual adjustments. The format is simple enough to read and edit by hand.
Why SnapSubtitles
Why SnapSubtitles Produces Better SRT Files
Most srt file generators transcribe audio at the sentence level. SnapSubtitles works from word-level timing, producing tighter caption boundaries and finer editing control.
More accurate block boundaries
The AI transcription returns word-level timing for every spoken word. When the editor groups words into caption blocks, each boundary sits at a real word boundary with a verified timestamp. The start time of a block is the start time of its first word. The end time is the end time of its last word. No guessing, no half-second drift.
Millisecond editing before download
Adjust any timestamp in MM:SS.mmm format before exporting the SRT. Split a block at any word, and each half keeps precise timing. Most online srt file generators offer no editing at all.
Privacy by default
Your video stays in your browser. The editor extracts compressed audio and sends only the audio to the transcription service. Video frames are never transmitted. The SRT file is generated from transcript data already in your browser.
Editing
Splitting Long Captions into Shorter SRT Cues
Long cues that display three or four lines at once are harder to read. Because AI transcription provides word-level timestamps, you can split any cue at a precise word boundary.
For vertical video, see how to add subtitles to YouTube Shorts with styles optimized for 9:16 format. You can also convert WebM screen recordings to SRT using the same workflow.
Split at any word boundary
Place the cursor between two words and split. The editor creates two new cues, each inheriting the exact start and end times of the words it contains. No re-timing, no guesswork.
Better readability on every screen
Short cues (one to two lines each) reduce cognitive load. On mobile screens and in social video where the viewport is narrow, shorter cues are easier to read and less likely to overlap with on-screen graphics.
Avoid platform UI conflicts
YouTube Shorts, TikTok, and Instagram Reels place like, comment, and share buttons along the edge of the screen. Shorter cues with careful positioning reduce the risk of text overlapping these elements.
FAQ
Frequently Asked Questions
Everything you need to know about generating SRT subtitle files.
Generate Your First SRT File
Upload your video, review the AI transcript, edit timing to the millisecond, and download your SRT. No software to install. Your video stays in the browser.