LibreTranslate

Try it online! | API Docs

Free and Open Source Machine Translation API, entirely self-hosted. Unlike other APIs, it doesn't rely on proprietary providers such as Google or Azure to perform translations.

Try it online! | API Docs

API Examples

Request:

const res = await fetch("https://libretranslate.com/translate", {
	method: "POST",
	body: JSON.stringify({
		q: "Hello!",
		source: "en",
		target: "es"
	}),
	headers: {
		"Content-Type": "application/json"
	});

console.log(await res.json());

Response:

{
    "translatedText": "¡Hola!"
}

Build and Run

You can run your own API server in just a few lines of setup!

Make sure you have installed Python (3.8 or higher), then simply issue:

git clone https://github.com/uav4geo/LibreTranslate --recurse-submodules
cd LibreTranslate
pip install -r requirements.txt
python main.py [args]

Then open a web browser to http://localhost:5000

Run with Docker

Simply run:

docker run -ti --rm -p 5000:5000 libretranslate/libretranslate

Then open a web browser to http://localhost:5000

Build with Docker

Make sure you cloned the models submodule before building the Docker image:

docker build -t libretranslate .

Run the built image:

docker run -it -p 5000:5000 libretranslate [args]

Or build and run using docker-compose:

docker-compose up -d --build

Feel free to change the docker-compose.yml file to adapt it to your deployment needs, or use an extra docker-compose.prod.yml file for your deployment configuration.

Arguments

Argument	Description	Default
--host	Set host to bind the server to	`127.0.0.1`
--port	Set port to bind the server to	`5000`
--char-limit	Set character limit	`No limit`
--req-limit	Set maximum number of requests per minute per client	`No limit`
--ga-id	Enable Google Analytics on the API client page by providing an ID	`No tracking`
--debug	Enable debug environment	`False`
--ssl	Whether to enable SSL	`False`

Roadmap

Help us by opening a pull request!

A docker image (thanks @vemonet !)
Auto-detect input language
User authentication / tokens
Language bindings for every computer language

Credits

This work is largely possible thanks to Argos Translate, which powers the translation engine.

License

GNU Affero General Public License v3

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