Title: YouTube Localizer browser extension - OpenPost Description: Translate video titles, descriptions and thumbnails in YouTube Studio. Generate new thumbnails with your own reference images. Canonical: https://openpo.st/tools/youtube-localizer Source: [https://openpo.st/tools/youtube-localizer](https://openpo.st/tools/youtube-localizer) [Free tools](https://openpo.st/tools#extensions) # YouTube Localizer Make your videos work in more languages. Translate video titles, descriptions and thumbnails in YouTube Studio. Generate new thumbnails with your own reference images. [Install extension](https://github.com/getopenpost/youtube-localizer#install) [Source code](https://github.com/getopenpost/youtube-localizer) Chrome, Brave, Edge and Firefox.  Generate a thumbnail directly from YouTube Studio. ## Localize in Studio Translate titles, descriptions and thumbnail text across multiple YouTube accounts. Fill the languages you are missing. ## Make your next thumbnail Keep face, brand and style references ready. Generate originals through Fal with GPT Image 2.5 Sunburst. Choose GPT Image or Ideogram for localized edits. ## Reuse editable text Prepare Ideogram text layers once, then change the wording and render more languages locally. ## Get started 1. Install the extension and open Settings. 1. Add your Fal key for images and choose a text provider, including OpenRouter or your own endpoint. 1. Open a video in YouTube Studio. Choose its languages or generate a thumbnail. The extension is free. AI requests use your own provider keys and their pricing. [Installation instructions](https://github.com/getopenpost/youtube-localizer#install) ## Privacy Keys, saved references and job history stay in your browser. Selected text and images go directly to the AI providers you choose when you generate. The extension has no OpenPost backend or telemetry. [Also from OpenPost: X Timeline Blocker](https://openpo.st/tools/x-timeline-blocker)