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LibreTranslate

Machine translation API that runs offline on your own server.

Replaces

Paid machine translation services, such as Google Translate and DeepL.

All open-source alternatives to DeepL, Google Translate

Difficulty

Difficulty: Easy

1 service, 0 volume mounts, no env values to set, no elevated host access. Heuristic score 0 of 11: easy.

Stack

Python (language)

Deployment

docker_compose

Requirements

Not stated.

License

AGPL-3.0 (OSI-approved open source)

Read from github.com/LibreTranslate/LibreTranslate/blob/89e8a56/LICENSE

Business model

Unknown

The README at the pinned commit does not state a business model, so it stays unknown.

Source: github.com/LibreTranslate/LibreTranslate/blob/89e8a56/README.md, read on .

Repository

LibreTranslate/LibreTranslate

GitHub stats

Stars
17,145
Forks
1,784
Open issues and pull requests
129
Last push
2026-10-12
Latest release
v1.9.6
Released
2026-05-26

From the GitHub API on . These numbers are a snapshot, not live. GitHub detected the license as AGPL-3.0.

Compose file

Config check passed docker compose config exited 0 on this exact file on 2026-10-22.
docker-compose.yml Version 1
services:
  libretranslate:
    container_name: libretranslate
    image: libretranslate/libretranslate:latest
    ports:
      - "5000:5000"
    restart: unless-stopped
    healthcheck:
      test: ['CMD-SHELL', './venv/bin/python scripts/healthcheck.py']
      interval: 10s
      timeout: 4s
      retries: 4
      start_period: 5s
    ## Uncomment this for logging in docker compose logs
    # tty: true
    ## Uncomment above command and define your args if necessary
    ## Refer to the documentation for more information: https://docs.libretranslate.com/guides/installation/#arguments
    # command: --ssl --req-limit 100 --char-limit 500
    ## Uncomment this section and the libretranslate_api_keys volume if you want to backup your API keys
    # environment:
    #   - LT_API_KEYS=true
    #   - LT_API_KEYS_DB_PATH=/app/db/api_keys.db # Same result as `db/api_keys.db` or `./db/api_keys.db`
    ## Uncomment these vars and libretranslate_models volume to optimize loading time.
    #   - LT_UPDATE_MODELS=true
    #   - LT_LOAD_ONLY=en,fr
    # volumes:
    #   - libretranslate_api_keys:/app/db
    # Keep the models in a docker volume, to avoid re-downloading on startup
    #   - libretranslate_models:/home/libretranslate/.local:rw

# volumes:
#   libretranslate_api_keys:
#   libretranslate_models:

From the app's own repository: github.com/LibreTranslate/LibreTranslate/blob/89e8a56/docker-compose.yml.

Compose file from the app repository.

Install

  1. Docker with the Compose plugin (github.com/LibreTranslate/LibreTranslate/blob/89e8a56/docker-compose.yml)

    A host with Docker and the Docker Compose plugin. This entry runs from a compose file.

  2. Save the compose file as docker-compose.yml (github.com/LibreTranslate/LibreTranslate/blob/89e8a56/docker-compose.yml)

    Use the compose file shown above.

  3. Start it (github.com/LibreTranslate/LibreTranslate/blob/89e8a56/docker-compose.yml)
    docker compose up -d
  4. Open the app (github.com/LibreTranslate/LibreTranslate/blob/89e8a56/docker-compose.yml)

    Open http://localhost:5000. The compose file publishes host port 5000 for the libretranslate service.

Compose file check: config_ok on 2026-10-22.

Gotchas and maintenance

Gotchas

Signals

  • Open issues and pull requests: 129
  • Last push: 2026-10-12 (9 days before this page was built)
  • Latest release: v1.9.6 on 2026-05-26 (148 days before this page was built)