You can make your video content available to a larger audience when you add captions. If you want to reach deaf, hard-of-hearing viewers, or speakers of different languages, captions help these groups understand your videos.
To add caption tracks, use a caption file, which contains the text and other information to time your captions with your video.
| Format name | File extension | More info | 
| .srt | 
 | |
| .sbv or .sub | 
 | |
| MPsub (MPlayer subtitle) | .mpsub | "FORMAT=" parameter is supported. | 
| .lrc | 
 | |
| Videotron Lambda | .cap | This file type is primarily for Japanese subtitles. | 
SubRip (.srt) example
100:00:00,599 --> 00:00:04,160>> ALICE: Hi, my name is Alice Miller and this is John Brown200:00:04,160 --> 00:00:06,770>> JOHN: and we're the owners of Miller Bakery.300:00:06,770 --> 00:00:10,880>> ALICE: Today we'll be teaching you how to makeour famous chocolate chip cookies!400:00:10,880 --> 00:00:16,700[intro music]500:00:16,700 --> 00:00:21,480Okay, so we have all the ingredients laid out hereSubViewer (.sbv) example
0:00:00.599,0:00:04.160>> ALICE: Hi, my name is Alice Miller and this is John Brown0:00:04.160,0:00:06.770>> JOHN: and we're the owners of Miller Bakery.0:00:06.770,0:00:10.880>> ALICE: Today we'll be teaching you how to makeour famous chocolate chip cookies!0:00:10.880,0:00:16.700[intro music]0:00:16.700,0:00:21.480Okay, so we have all the ingredients laid out here| Format name | File extension | More info | 
| SAMI (Synchronized Accessible Media Interchange) | .smi or .sami | Only timecodes, text, and simple markup (<b>, <i>, <u>, and the color= attribute within a <font>) are supported. Positioning isn't supported. | 
| RealText | .rt | Only timecodes, text, and simple markup (<b>, <i>, <u>, and the color= attribute within a <font>) are supported. Positioning is not supported. | 
| .vtt | In initial implementation. Positioning is supported, but styling is limited to <b>, <i>, <u> since CSS class names aren't yet standardized. | |
| TTML (Timed-Text Markup Language) | .ttml | In partial implementation. SMPTE-TT extensions supported for CEA-608 features. iTunes Timed Text (iTT) file format is supported; iTT is a subset of TTML, Version 1.0. Styling and positioning aresupported. | 
| DFXP (Distribution Format Exchange Profile) | .ttml or .dfxp | These files types are interpreted as TTML files. | 
These file formats are typically used for closed captions for broadcast content (TV and movies) and support either of these standards:
Drive tries to display the captions from these files as if they were on a TV — with the same styling, color, and positioning.
| Format name | File extension | More info | 
| Scenarist Closed Caption | .scc | These files have an exact representation of CEA-608 data.This is the preferred format whenever captions are based on CEA-608 features. | 
| EBU-STL (binary) | .stl | European Broadcasting Union standard. | 
| Caption Center (binary) | .tds | Supports CEA-608 features. | 
| Captions Inc. (binary) | .cin | Supports CEA-608 features. | 
| Cheetah (ASCII text) | .asc | Supports CEA-608 features. | 
| Cheetah (binary) | .cap | Supports CEA-608 features. | 
| NCI (binary) | .cap | Supports CEA-608 features. | 
- On your computer, sign in to drive.google.com.
- Click the video you want to add captions to.
- Click More Manage caption tracks. 
- Click Add new caption tracks.
- Click Select file and choose a caption or transcript file.
- Choose the language for the captions and a name for the track.
- Click Upload.
- On your computer, sign in to drive.google.com.
- Click the video file with caption tracks you want to edit.
- Click More Manage caption tracks. 
- Click the caption track you want to edit.
- Click Edit.
- You can edit its name and language. You can also turn on or off the track for the video.
- Click Save.
- On your computer, sign in to drive.google.com.
- Click the video file with caption tracks you want to delete.
- Click More Manage caption tracks. 
- Next to the caption track you want to delete, click Delete . 
- Click Delete.
- On your computer, sign in to drive.google.com.
- Open the video with the caption track you want to translate.
- In the bottom right, click Settings . 
- At the bottom of the language list, click Auto-translate.
- Select a language from the list.
- In the correct format. The file types listed under basic, advanced, and broadcast file types on this page are supported.
- Not too large. The caption file must be less than 2 MB.
- Not longer than the video. If the file is longer than the video, the video won’t be able to auto-sync.
Available languages:
- Arabic
- Chinese
- Czech
- Dutch
- English
- Filipino
- Finnish
- French
- German
- Greek
- Hebrew
- Hindi
- Hungarian
- Indonesian
- Italian
- Japanese
- Korean
- Malay
- Norwegian
- Polish
- Portuguese
- Romanian
- Russian
- Spanish
- Swedish
- Thai
- Turkish
- Ukrainian
- Vietnamese
You can easily add captions to your videos.
- In the Google Drive homepage, right-click on the video you want to add captions to.
- Click Manage caption tracks.
          - Or, while watching the video, click More Manage caption tracks. 
 
- Or, while watching the video, click More 
- Select a language.
Google Workspace Admins can turn on automatic captions for all uploaded videos in your company's Google Workspace.
Tips:
- Automatically generated captions will be turned on by default. Captions will generate automatically when you upload a video to Drive.
- Your Google Workspace Admin may require you to request caption generation.
          - Right-clicking the video in your Drive Manage Caption tracks Generate Automatic Captions. 
- While viewing the video, click More Manage caption tracks Generate automatic captions. 
 
- Right-clicking the video in your Drive 
- Your Google Workspace Admin may have this feature disabled.
Get more help
For more Accessibility help, contact the Disability Support team.