Free browser tool to batch-convert SMI/SRT/VTT/ASS/Whisper JSON subtitles; OCR from caption captures; no signup; files s
Subtitle Convert is a free browser tool for batch conversion between SMI, SRT, VTT, ASS, and Whisper JSON subtitle formats, with OCR from caption captures. No signup is required, and files stay local in the browser. Useful for creators, translators, and video workflows.