Practical reference
Understand what the file is telling you.
Worked examples for the decisions a subtitle tool cannot make for you.
Practical guide
Overlapping subtitles: find the conflict before changing the timing
Use a reproducible SRT example to distinguish a timing collision from deliberate simultaneous speech.
Read the guide →Practical guideA fixed subtitle delay and subtitle drift need different adjustments
Measure two anchors before deciding whether an offset or a linear retiming is appropriate.
Read the guide →Practical guideSRT and WebVTT conversion: timing is only part of the file
Understand timestamp separators, identifiers and metadata loss before downloading a converted subtitle.
Read the guide →Practical guideReading-speed warnings are review settings, not a universal pass mark
Know how this checker counts characters and why a configurable threshold cannot replace watching the video.
Read the guide →Practical guideA practical handoff checklist for a subtitle file
Separate structural checks, content review and final playback before handing a file to another person.
Read the guide →Practical guideWhat browser-local subtitle processing protects, and what it does not
Distinguish file processing from loading a website, exporting a report and future advertising integrations.
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