Best format guide

Best Subtitle Format for Web Video

VTT is generally best for browser video delivery, with SRT as a compatibility fallback.

Recommendation

Recommendation

VTT

WebVTT integrates cleanly with HTML5 video players and supports richer cue handling.

text/vtt

SRT

Use SRT for legacy subtitle pipelines and offline player compatibility.

Fichiers: 4

ASS

Use ASS where advanced subtitle styling is required.

Fichiers: 4

Decision factors

Decision Factors

Facteurs de decision

  • Playback target: browser-first versus desktop/offline players.
  • Need for styling complexity, positioning, and cue metadata.
  • Toolchain support in transcription and QA workflows.
  • Subtitle conversion and localization pipeline constraints.

Erreurs courantes a eviter

  • Publishing only one subtitle format without playback fallback testing.
  • Ignoring timing drift after subtitle conversion/export.
  • Skipping QA on multilingual character rendering.
FAQ

FAQ

Quelle est la recommandation principale dans ce guide ?

VTT est le choix recommande par defaut pour ce cas d'usage.

Comment les equipes doivent-elles valider ce choix de format ?

Utilisez des fixtures d'echantillon et les endpoints de manifeste pour tester compatibilite, performance et conversion dans des conditions proches de la production.