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To use Tolgee with your Gatsby application, use React integration library together with Gatsby i18n support.

Tolgee for React provides simple API to create multi-lingual React application. With Tolgee i18n library for React you can enjoy all Tolgee i18n features.

To see Next with Gatsby in action, check this example app.

npm i @tolgee/react

Get started!

1. Create project in Tolgee platform

Go to Tolgee Cloud app or access your self-hosted instance and create a project. Then obtain your API key.

2. Setup Tolgee integration

Install the npm packages.

npm i @tolgee/react gatsby-plugin-react-intl

Prepare your gatsby-config.js.

module.exports = {
plugins: [
resolve: `gatsby-plugin-react-intl`,
options: {
path: `${__dirname}/src/i18n`,
languages: [`en`, `cs`],
defaultLanguage: `en`,
redirect: true,

Then wrap your code with TolgeeProvider

import { TolgeeProvider, DevTools, Tolgee, FormatSimple } from '@tolgee/react';
import { useIntl } from 'gatsby-plugin-react-intl';

const tolgee = Tolgee().use(DevTools()).use(FormatSimple()).init({
defaultLanguage: 'en',
apiKey: process.env.GATSBY_TOLGEE_API_KEY,
apiUrl: process.env.GATSBY_TOLGEE_API_URL,

export const AppWrapper: React.FC = ({ children }) => {
const { locale, messages } = useIntl();

const staticData = useMemo(() => {
return { [locale]: messages }
}, [locale, messages])

const ssrTolgee = useTolgeeSSR(tolgee, locale, staticData);

return (
<TolgeeProvider tolgee={ssrTolgee} fallback="Loading...">

3. Use T component to translate your texts

import { T } from "@tolgee/react";

export const Component = () => {
return (
<T keyName="translate_me">Translate me!</T>

Now you are able to Alt + Click & translate your texts!

Explore the Docs and check out example app!

Continue exploring...

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