CuemendHow-to guides for subtitle files
Short, tested answers for the subtitle problems people search for most.
Subtitles out of sync in VLCFix out-of-sync subtitles in VLC with the G/H (Mac: H/J) keys or Track Synchronization, then save the corrected timing into the SRT so every player gets it right.Subtitles not showing on TVWhy a TV ignores an external subtitle file: file name, folder, format, encoding, line length, embedded tracks. Checks for Samsung, LG, Sony and other smart TVs.VTT to SRTConvert WebVTT (.vtt) captions from YouTube, Zoom, Vimeo or course platforms to SRT: what changes, what is lost, and how to convert many files at once.ASS / SSA to SRTConvert Advanced SubStation (ASS/SSA) anime and fansub subtitles to SRT for TVs and editors: what styling is lost, how signs and duplicate lines are handled.TTML / DFXP to SRTConvert TTML/DFXP XML captions from streaming services, broadcasters or Amazon/Netflix-style deliveries to SRT: tick rates, regions, styling, and line breaks.YouTube SBV to SRTYouTube Studio's .sbv caption files use a simpler format than SRT. How to convert SBV to SRT for players and editors, and back, with both formats shown.Remove SDH / hearing-impaired textStrip SDH notes like [door slams], (laughs), ♪ lyrics and SPEAKER: labels from SRT subtitles without deleting dialogue. Regex method and one-click clean-up.SRT file format explainedThe SubRip (.srt) format line by line: cue number, timecodes, text, blank line. Allowed tags, encodings, and the mistakes that make players reject a file.
Converter pages
Shift / sync subtitlesAutomatic subtitle syncSubtitle frame-rate converterFix subtitle encodingSRT to VTTSUB to SRTMerge two subtitlesExtract subtitles from MKV
Fix the file once, for every player. Cuemend shifts, syncs (also automatically to the film's audio), converts and repairs subtitle files – SRT, VTT, ASS/SSA, SUB, SBV, TTML/DFXP – in your browser. The video and subtitles stay on your computer. Every single-file tool is free; a $7 lifetime license adds one-click auto-sync apply, batch work on many files and two-language subtitles.
Sources and product names: VLC is a trademark of VideoLAN; YouTube is a trademark of Google; other names belong to their owners. Cuemend is independent and not affiliated with them.