Free Subtitle Format ConverterSRT, VTT & TXT Instant Conversion
Convert subtitles between SRT, VTT, and plain text formats with one click. All processing happens in your browser — no file upload, no signup, completely free.
How to Convert Subtitle Formats
Convert any subtitle file in 3 simple steps — paste, select, download
Upload a .srt, .vtt, or .txt file, or paste subtitle text directly
Auto-detect input format and select your desired output format
Copy to clipboard or download the converted subtitle file
Powerful Subtitle Conversion Features
A complete subtitle format conversion toolkit for video creators and translators
Automatically detects whether your input is SRT, VTT, or plain text — no manual selection needed
Convert between SRT (SubRip), VTT (WebVTT), and TXT (plain text) formats seamlessly
Accurately converts timestamps between SRT and VTT formats without losing precision
All conversion happens locally in your browser. No files are uploaded to any server — your data stays private
Instantly copy converted subtitles to clipboard or download as a file with one click
Drag and drop or browse to upload subtitle files directly for quick conversion
Why Choose BibiGPT Subtitle Converter
The fastest, most private, and easiest way to convert subtitle formats online
Convert subtitles in milliseconds — no waiting, no processing queue
Files never leave your browser. No server upload means zero data exposure risk
Use on any device with a browser — Windows, Mac, Linux, iOS, or Android
Full support for Unicode characters including Chinese, Japanese, Korean, Arabic, and more
Who Needs a Subtitle Converter?
Perfect for anyone working with video subtitles across different platforms and tools
Video Editors
Convert subtitles to the format required by your editing software (Premiere, DaVinci, etc.)
YouTubers
Transform downloaded YouTube subtitles for use in other video platforms
Translators
Convert subtitle files between formats for translation workflows and CAT tools
Educators
Prepare subtitle files for e-learning platforms that require specific formats
Content Localizers
Batch convert subtitle formats for multi-platform content distribution
Accessibility Teams
Convert captions to web-friendly VTT format for HTML5 video players
Trusted by Video Professionals
See how creators use our subtitle converter in their workflow.
Join 100,000+ users converting subtitles daily
“The subtitle converter saved me hours of manual reformatting. SRT to VTT in one click!”
Alex Rivera
Freelance Video Editor
Converts subtitles for client projects
“I download subtitles from YouTube and use this free converter to get them into SRT for Premiere Pro. Super fast.”
Yuki Tanaka
YouTuber
Translates subtitles for bilingual content
“Finally a browser-based subtitle tool that handles Unicode perfectly. Works great with CJK text.”
Wei Zhang
Localization Manager
Manages multi-language subtitle workflows
Frequently Asked Questions
Common questions about the subtitle format converter
Ready to convert your subtitles?
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