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.
Chrome, Brave, Edge and Firefox.
Thumbnail generation, shown with sample data.
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
- Install the extension and open Settings.
- Add your Fal key for images and choose a text provider, including OpenRouter or your own endpoint.
- 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 instructionsPrivacy
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.