SRT to VTT Converter — Free Subtitle Format Converter
Convert SRT subtitles to VTT format or VTT back to SRT instantly. Free, browser-based, no upload required.
About SRT to VTT Converter
Convert SRT subtitle files to WebVTT format instantly in your browser. VTT is required for HTML5 video players and modern streaming platforms.
Need VTT to SRT? The reverse conversion works just as easily. SRT format is widely supported by video editors like Premiere Pro, DaVinci Resolve, and Final Cut Pro.
No uploads. The entire conversion happens inside your browser using JavaScript string processing. Fast, private, and completely free.
SRT vs VTT: when to use which format
SRT (SubRip) is the most widely supported subtitle format. It works with almost every video player, editing software, and platform including YouTube, Vimeo, VLC, Adobe Premiere, and DaVinci Resolve. The format is simple — sequential numbering, timecodes, and text — which makes it easy to create and edit manually. If you are not sure which format to use, SRT is the safest default.
VTT (WebVTT) is the HTML5 standard for browser-based video. It is required for the track element in HTML5 video players. Unlike SRT, VTT supports caption positioning on screen, text styling via CSS, and vertical text for East Asian languages. The timecode format uses a dot instead of a comma as the millisecond separator (00:00:01.000 instead of 00:00:01,000).
Convert SRT to VTT when you are embedding video on a website using the HTML5 video tag. Browsers expect VTT for the track element.<br/>Convert VTT to SRT when uploading to YouTube, Vimeo, Facebook, or any desktop video editor. These platforms have built-in SRT support and may not accept VTT files.
Platforms and their subtitle format requirements
Every platform supports a different set of subtitle formats. Here is a quick reference so you always upload the right file:
- YouTube:SRT, VTT, SBV (YouTube auto-captions download as SBV). SRT is the most reliable choice.
- Vimeo:VTT, SRT. VTT is preferred because Vimeo uses an HTML5 player.
- HTML5 video tag:VTT only. The
trackelement does not support SRC. - Facebook:SRT. Facebook converts uploaded SRT files to its internal standard automatically.
- Twitter / X:SRT. Upload with the video source for auto-matching.
- TikTok:SRT. TikTok supports auto-captions, but manual SRT upload gives you full control over timing and wording.
- Zoom:VTT. Zoom cloud recordings generate VTT files for searchable transcripts.
- Slack Clips:VTT. Slack uses WebVTT for video clip captions.
Use this converter to switch between formats in one click. not sure which spec the target platform expects, SRT is correct 90% of the time.
Supported Subtitle Formats for Conversion
Accepts .srt (SubRip) and .vtt (WebVTT). Adjusts separators and manages headers.
HTML tags in SRT carry over to VTT. STYLE and NOTE blocks drop when going back to SRT.
Input: .srt, .vtt. Output: .srt, .vtt. Two-way conversion.
Common SRT to VTT Conversion Use Cases
Typical use cases:
HTML5 Video Player Implementation
Web teams convert SRT to VTT for HTML5 captioning on websites.
YouTube Studio Caption Upload
Turn VTT files from transcription APIs into SRT before YouTube upload.
Video Editing Software Import
Switch VTT to SRT for importing into DaVinci Resolve or Premiere Pro.
Streaming Platform Caption Preparation
Prepare captions in the right spec for Vimeo and Mux ahead of publishing.
Subtitle Localization Workflow
Localization crews move between SRT and VTT during multi-standard delivery.
Accessibility Compliance
Generate VTT subtitles to meet ADA rules for public website video.
How do SRT and VTT differ?▼
SRT is the older, simpler format supported by virtually all video players and editing software. VTT is the modern WebVTT standard required by HTML5 players, YouTube, and streaming platforms like Vimeo and Mux.
Will my timing stay accurate?▼
Yes. Only the timestamp separator changes (comma to dot or vice versa) and the WEBVTT header is added or removed. All timing values and text content remain unchanged.
Can VTT with STYLE blocks export to SRT?▼
Yes. STYLE blocks, NOTE comments, and REGION definitions are stripped during VTT to SRT conversion, since SRT does not support these features. The subtitle text and timing are preserved intact.
Which editors handle VTT?▼
DaVinci Resolve, Adobe Premiere Pro, and Final Cut Pro all support VTT import. HTML5 video players using the track element require VTT format.
Any limit on cue volume?▼
No. The converter processes the entire file in memory. Feature-length films with thousands of subtitle cues convert in under one second with no server interaction.