When to use it
Convert changes the file format; Fixer checks cue issues; Splitter divides long cues. Use Time Shifter for synchronization and Reading Speed to assess readability.
Voice2Sub Free Tools
Subtitle tools
Convert, repair, sync, split, and review subtitle files.
Your subtitle file is processed in your browser and is not uploaded to Voice2Sub.
Subtitle ConverterSubtitle tools
Convert subtitle formats, preview cues and review styling or timing losses before export. Subtitle content stays in your browser.
Subtitle Fixer & ValidatorSubtitle toolsCheck subtitle timing, overlaps, duplicates and reading speed. Review the affected cues before applying safe fixes.
Subtitle SplitterSubtitle toolsSplit long subtitle cues into shorter segments while preserving text order and respecting the original timeline.
Subtitle Time Shifter & SyncSubtitle toolsMove subtitles earlier or later, correct drift with two reference points, or convert timing between frame rates.
Subtitle Reading Speed CheckerSubtitle toolsCheck subtitle characters per second, long lines, short cues and overlaps with locale-aware text counts.
Do my files or text leave this device?
Subtitle files are parsed, transformed, and generated in browser JavaScript. File names, subtitle text, and output are not sent to Voice2Sub.