Overview
BibiGPT offers a free online subtitle format converter that lets you convert between SRT (SubRip), VTT (WebVTT), and TXT (plain text) formats with one click. All conversion happens locally in your browser — files never leave your device.Pain Point
You downloaded subtitles from YouTube in VTT format but need SRT for Premiere Pro. Online converters either require file uploads or account sign-ups — finding a reliable, truly free tool is frustrating.Key Features
- Auto-detects input subtitle format (SRT, VTT, or plain text) — no manual selection needed
- Precise timestamp conversion between SRT and VTT with zero precision loss
- Drag-and-drop file upload or paste subtitle text directly
- One-click copy to clipboard or download as file
- Full Unicode support including Chinese, Japanese, Korean, and Arabic subtitles
Highlights
Millisecond-fast conversions processed entirely in your browser. No waiting for uploads or server processing. Works on any device with a browser.Use Cases
- Video editors: Convert subtitles to formats required by Premiere, DaVinci Resolve, and other editing software
- YouTubers: Convert downloaded YouTube subtitles for other video platforms
- Translators: Quickly switch between subtitle formats to fit various translation workflows
Tips
- Simply paste subtitle text and the tool auto-detects the format — no manual selection needed
- The tool preserves all timing information precisely when converting between timed formats
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