How to Translate Your Existing Lovable app with i18.dev (In Under 1 Minute)

I18.dev has introduced a new integration that allows developers to translate existing Lovable applications in under one minute. The tool provides ready-made prompts that can be copied directly into Lovable's chat interface, automatically generating translation keys and pushing string files to i18.dev. When a new language is added, i18.dev automatically creates the precise prompt needed to wire the translation file into the app and update the language selector.

Here’s the exact workflow to go from single-language to fully translated using i18.dev’s built-in Lovable integration. That’s it — you’re ready. In the i18.dev project page, click the "Quick Setup" button to open the 1-minute getting-started guide. then click the "Create Project + PAT" button to create a project and generate your Personal Access Token. Then, ask Lovable to set up the keys for you: "Set up keys for i18.dev — keys from above ..." Follow the chat instructions to complete the configuration. i18.dev gives you two ready-made prompts. Click Copy on each and paste them directly into Lovable’s chat: Paste this into Lovable. It will: Paste this into Lovable. It will: Once your strings are pushed to i18.dev: Now here’s the smart part: as soon as you add the language, a notification pops up in the top-right corner: Click "Copy prompt" — i18.dev has already written the exact prompt you need. Paste it into Lovable. Done. No manual prompt writing. No guessing. i18.dev knows you just added Arabic, so it generates the precise prompt to pull ar.json , wire it into your app, and update the language switch list. Anytime you need a prompt, click the mini sidebar Prompts button in the i18.dev project view. It shows: Now you have a translation-ready web app in minutes. Invite your translator or localization expert to fine-tune wording using i18.dev project settings. Happy Vibe Coding