| File Formats | Description |
| SubRip Video Subtitle Script (*.srt) | This is the most common subtitle/caption file format, especially for YouTube or Facebook captioning. |
| Sonic Scenarist Closed Caption (*.SCC) | One of the most popular formats widely accepted by streaming services |
| DCP XML (*.xml) | Used in digital cinema, ensuring high-quality subtitles in theaters. It contains XML-based subtitle files that synchronize precisely with the film. |
| WebVTT (*.vtt) | A common format for HTML5 web players since it can retain positional information. |
| Flash XML in Timed Text Authoring Format DFXP (*.xml) or (*.dfxp) | DFXP stands for “Distribution Format Exchange Profile.” It is common for Flash players and used by Netflix. |
| iTunes Captioning (*.ITT) | Format accepted by iTunes. |
| Windows Media Player, RealPlayer (*.smi) | RealText captions for RealMedia video or audio. |
| Flash Script (*.txt) | Windows Media |
| Flash XML for Captionate (*.xml) | XML format used for encoding captions into Flash video. It originated in the caption-embedding software Captionate. |
| PBS COVE (*.sami) | Suitable for some web players and stands for “Synchronized Accessible Media Interchange.” |
| Quick Time Script (*.txt) | For Quicktime Players |
| SMPTE TT (Timed Text) (*.xml) | Widely accepted and for Society of Motion Pictures and Television Engineers. Crackle and DECE CFF variations. |
| YouTube SBV (*.sbv) | It is a YouTube caption format |
| Mijo XML in seconds format (*.xml) | Mijo format |
