self-hosted-cookbook/apps/other/language-tool.md

LanguageTool

Multilingual grammar, style, and spell checker (similar to Grammarly).

• Official Site
• Github repo
• Docker Hub

Optional n-gram data

LanguageTool can make use of large n-gram data sets to detect errors with words that are often confused, like their and there.

1. Download n-gram data: https://languagetool.org/download/ngram-data/
2. Uncomment n-gram volume and env variable below

docker-compose.yml

---
version: "3"
services:
  languagetool:
    image: erikvl87/languagetool
    container_name: languagetool
    restart: unless-stopped
    ports:
        - 8010:8010  # Using default port from the image
    environment:
        # - langtool_languageModel=/ngrams  # OPTIONAL: Using ngrams data
        - Java_Xms=512m  # OPTIONAL: Setting a minimal Java heap size of 512 mib
        - Java_Xmx=1g  # OPTIONAL: Setting a maximum Java heap size of 1 Gib
    # volumes:
    #     - ./data:/ngrams

And then, in a browser extension:

• in LanguageTool API server URL: select Other server
• enter: http://<SERVER IP>:8010/v2