Free Subtitle Converters
Convert between subtitle formats — SRT, VTT (web video), ASS (advanced styling), SUB, SBV, and more. Timestamps are preserved exactly so the resulting file aligns frame-for-frame with the source video. Common uses: SRT to VTT for HTML5 video, ASS (anime / fansub) to SRT for software that lacks ASS support.
Commercial use OK
No sign-up
Instant
2 format pairs
SRT VTT
Convert SRT files to VTT format instantly. Browser-based, no install, no sign-up.
VTT SRT
Convert VTT files to SRT format instantly. Browser-based, no install, no sign-up.
Open source
The same converter that powers every page here is on PyPI and GitHub. Self-host it, embed it, audit it — MIT-licensed, no signup.
pip install freeai-convert
View on GitHub