Freemium· Free basic, $4.99/month premium

LanguageTool

An open-source grammar, style, and spell checker.

WindowsmacOSWeb
Independently verifiedLast checked: June 15, 2026

LanguageTool is available with a generous free tier writing tool available on WINDOWS, MACOS, WEB. It serves as an alternative to Grammarly — subscription software that costs $12/month combined. It's best suited for writers, students, privacy-conscious users.

Why Choose LanguageTool?

  • +Open-source and community-driven — transparent code, no vendor lock-in
  • +Full ownership — your data stays on your device, no cloud dependency
  • +Works offline — no internet connection required for core functionality
  • +No account required — download and start using immediately
  • +Save $144/year compared to subscription alternatives
  • +Cross-platform support — available on 3 platforms

Basic Info

PricingFree basic, $4.99/month premium
PlatformsWindows, macOS, Web
CategoriesWriting
Open SourceYes
Offline SupportYes
Account RequiredNo
Free TrialNo
Last CheckedJune 15, 2026

Ownership & Dependency

Ownership

HIGH

Cloud Dependency

LOW

Best For

WritersStudentsPrivacy-conscious users

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Pros

  • +Open source
  • +Works offline
  • +Supports many languages
  • +Browser extension

Cons

  • Less accurate than Grammarly
  • Fewer style suggestions
  • Premium features limited

How to Switch to LanguageTool

  1. 1

    Export your data

    Export your data from your current tool in CSV, PDF, or native format.

  2. 2

    Install LanguageTool

    Download LanguageTool from the official website. It costs Free basic, $4.99/month premium — a one-time purchase.

  3. 3

    Import and configure

    Import your data into LanguageTool and customize the settings to match your workflow.

  4. 4

    Cancel your subscription

    Once you're comfortable with LanguageTool, cancel your subscription and start saving.

Replacing: Grammarly

Frequently Asked Questions

Is LanguageTool a good replacement for Grammarly?

Yes. LanguageTool handles most of what Grammarly does, for a one-time $0 payment. Grammarly costs $12/month ($144/year). The main differences are in advanced features and ecosystem integrations.

Is LanguageTool really a one-time purchase?

Yes, LanguageTool costs $0 as a one-time purchase. You pay once and own it forever — no monthly or annual fees.

Can I self-host LanguageTool?

Yes. Being open-source, LanguageTool can be self-hosted on your own server or hardware. This gives you complete control over your data and eliminates any dependency on external services.

What platforms does LanguageTool support?

LanguageTool is available on WINDOWS, MACOS, WEB. This cross-platform support means you can use it on all your devices.

How much money can I save with LanguageTool?

By replacing Grammarly, you save approximately $144/year in subscription fees. The savings start immediately.

Does LanguageTool require an internet connection?

No. LanguageTool works fully offline — you only need internet for initial download and updates.

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