Free online subtitle tools
Convert formats and adjust timing. Preview ASS styles and compare subtitles before and after conversion. Your subtitle files stay on your device.
SRT to VTT
Convert SRT subtitles to WebVTT for web players.
VTT to SRT
Convert WebVTT subtitles to SRT and keep basic text formatting.
ASS to SRT
Preview ASS styles and export the text and timing as SRT.
SRT to TXT
Extract text with original line breaks or one paragraph per cue.
Subtitle Shifter
Move SRT or VTT subtitles earlier or later by milliseconds.
Subtitle FPS Converter
Change SRT or VTT timing to match a different frame rate.
Fix Subtitle Encoding
Convert subtitle files to UTF-8 with a text preview.
Remove SDH
Remove selected sound descriptions, music cues and speaker labels from SRT or VTT.
Merge Subtitles
Merge two SRT files into bilingual subtitles with a timing tolerance.
Subtitle CPS Checker
Check reading speed and locate cues above your CPS threshold.
How to use Subtitle Tools
Choose a tool
Select your subtitles
Choose a local file, then set any options the tool needs.
Check the result
Inspect the preview and result. Download a file from tools that offer an export.
Processed in your browser
The site does not send subtitle text, file bytes or filenames to a server.