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LTEX provides offline grammar checking of various markup languages using LanguageTool (LT). LTEX can be used standalone as a command-line tool, as a language server using the Language Server Protocol (LSP), or directly in various editors using extensions.

LTEX currently supports BibTEX, ConTEXt, LATEX, Markdown, Org, reStructuredText, R Sweave, and XHTML documents.

The difference to regular spell checkers is that LTEX not only detects spelling errors, but also many grammar and stylistic errors such as:

  • This is an mistake.
  • The bananas is tasty.
  • We look forward to welcome you.
  • Are human beings any different than animals?

A classic use case of LTEX is checking scientific LATEX papers, but why not check your next blog post, book chapter, or long e-mail before you send it to someone else?

LTEX is a successor/fork of the abandoned LanguageTool for Visual Studio Code extension by Adam Voss.

Features

Grammar/Spell Checker for VS Code with LanguageTool and L<sup>A</sup>T<sub>E</sub>X Support

  • Supported markup languages: BibTEX, ConTEXt, LATEX, Markdown, Org, reStructuredText, R Sweave, XHTML
  • Comes with everything included, no need to install Java or LanguageTool
  • Offline checking: Does not upload anything to the internet
  • Supports over 20 languages: English, French, German, Dutch, Chinese, Russian, etc.
  • Issue highlighting with hover description
  • Replacement suggestions via quick fixes
  • User dictionaries
  • Multilingual support with babel commands or magic comments
  • Possibility to use external LanguageTool servers
  • Extensive documentation

Thousands of People Around the World Use LTEX

(30)
average rating
550 GitHub stars 39,077 downloads 12,934 active users
from around the world

Sources: Number of active users estimated from update counts from Marketplace data , map shows public locations of GitHub stargazers , location data © OpenStreetMap contributors, ODbL 1.0 , world map made with Natural Earth (public domain) . All data shown are solely based on publicly available sources. LTEX does neither collect nor send any usage data to the internet. Last update: January 22, 2022.