Free Subtitle & Filename Tools Online
Fix out-of-sync captions, convert SRT to WebVTT for HTML5 video, and clean illegal filename characters. Subtitle text is processed locally so dialogue never hits a server.
SRT time shifter offsets every cue by milliseconds so a movie and its captions line up. Convert to VTT before using a <track> element. Filename tools replace characters Windows and macOS reject, which is useful before bulk uploads.
SRT Time Shifter
Offset subtitle SRT timestamps in milliseconds.
SRT Cleaner
Strip HTML and format tags from SRT subtitle files.
SRT to VTT Converter
Convert SRT subtitles to WebVTT formats.
VTT to SRT Converter
Convert WebVTT subtitles back to SRT format files.
Filename Cleaner
Remove spacing issues and symbols from filenames.
Filename Sanitizer
Replace invalid OS path characters from file names.
File Extension Extractor
Extract file extensions from paths list.
Looking for something else? Browse all 99 tools.