Free subtitle tools
Small, focused utilities for common subtitle file problems. Everything runs locally in your browser — no upload, no signup, no watermark.
RTL subtitle fixer
Fix flipped punctuation, missing bidi marks, broken encoding and overlong lines in Hebrew and Arabic .srt files.
Open tool →SRT validator
Find numbering gaps, timing overlaps, negative durations, overlong lines and encoding damage — with line numbers.
Open tool →SRT ↔ VTT converter
Convert SRT to WebVTT and back. The format is detected automatically; all Unicode text passes through untouched.
Open tool →Subtitle timing shifter
Shift every cue in an .srt file earlier or later by a constant number of seconds.
Open tool →Making the subtitles is the hard part
These tools patch finished subtitle files. If you edit in Adobe Premiere Pro, the SmartCaptions extension generates, translates and styles Hebrew, Arabic and English captions directly in your timeline.
Get the Premiere Pro extension