# WebVTT > WebVTT file localization URL: https://store.crowdin.com/vtt Category: File Formats Type: System Author: Crowdin WebVTT is a natively supported file format, you can use it without an additional installation. Just upload it to your projects and start the localization. ## File Format Details | Attribute | Value | | --------- | ----- | | File Extension | .vtt | | [API Type](https://developer.crowdin.com/api/v2/#operation/api.projects.files.post) | vtt | | Source can be edited in Crowdin | No | | Generating translated files via [Bundles](https://support.crowdin.com/bundles/) | [Search Crowdin Store](https://store.crowdin.com/tags/string-exporter) | | Supports pluralization | No | | WYSIWYG Preview in the editor | No | | Supported types of contextual information | Text comments, Screenshots | | Custom attributes | No | | Existing translations import possibility | Key-value mapping | ## Sample File ```auto WEBVTT FILE 1 00:08.000 --> 00:09.000 Hi there 2 00:13.000 --> 00:14.000 This is an example of the WebVTT subtitles file 3 00:14.000 --> 00:17.000 line:15% that is natively supported by Crowdin 4 00:18.000 --> 00:20.000 line:15% and could be translated into more than 300 languages ```