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Make subtitle files work for you
A local-first toolkit for the subtitle problems that interrupt an immersion session. Pick a job, process the file in this browser, and download the result.
Subtitle converter
Convert SRT to WebVTT, clean SRT, or readable study text.
Open toolRepair broken SRT files
Normalize cue numbering, timing syntax, and valid subtitle blocks.
Open toolSynchronize SRT subtitle timing
Apply a precise timing offset to every subtitle cue.
Open toolMerge SRT files by timestamp
Combine two timestamped subtitle files into one ordered file.
Open toolConvert SRT subtitle frame rates
Rescale subtitle timing for a known frame-rate mismatch.
Open toolExtract readable text from SRT subtitles
Turn timed captions into clean, readable study text.
Open toolValidate SRT subtitle files
Inspect parsed subtitles for malformed blocks and timing warnings.
Open toolSplit an SRT file at a timestamp
Divide one subtitle file into two local downloads.
Open toolRe-export SRT subtitles as UTF-8
Re-export parsed subtitle files as clean UTF-8 SRT.
Open toolCompare two SRT subtitle files
Compare two subtitle files for timing, text, and cue-count differences.
Open tool