Subtitle guides
Step-by-step tutorials for the everyday subtitle tasks you face as a creator, translator or student.
How to edit SRT files
A practical walkthrough for opening, editing and saving SRT subtitle files without breaking their structure.
How to sync subtitles
Fix subtitles that drift out of sync and align them with the audio track using time shifting.
SRT vs VTT
The differences between SubRip and WebVTT, when to use each and how conversion works.
Subtitle format guide
Complete reference for SRT, VTT, ASS, SSA, SBV and subtitle JSON.
How to convert SRT to VTT
Why and how to convert SubRip subtitles to WebVTT for web video players.
How to convert VTT to SRT
Steps for converting WebVTT captions back to the widely supported SubRip format.
How to fix out-of-sync subtitles
Diagnose constant vs progressive drift and apply the correct fix.
How to create SRT files
Build a subtitle file from scratch, including cue structure and timing.
Subtitle timing best practices
How long cues should appear, minimum and maximum durations, gaps and overlap rules.
Line length guidelines
Recommended characters per line, lines per cue and reading-speed targets.
Subtitle reading speed guide
Character-per-second (CPS) targets, when they apply and how to measure them.