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Head-to-head · Browser Extensions

LanguageTool vs DuckDuckGo Browser

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score LanguageTool #4 in Browser Extensions 9.0/10 Free plan Free plan✓ 1 of 4 features Visit LanguageTool
DuckDuckGo Browser #6 in Browser Extensions 8.6/10 Free plan Free plan✓ 1 of 4 features Visit DuckDuckGo

LanguageTool leads on 0 checks, DuckDuckGo Browser on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLanguageTool · 9.0/10
  • Free planboth

LanguageTool scores higher on our rubric for browser extensions: 9.0 against 8.6 out of 10; our editors rank them #4 and #6.

LanguageTool is the better fit for writing assistance across browsers and productivity apps. DuckDuckGo Browser is the better fit for privacy-focused browsing across desktop and mobile.

  • LanguageTool fits best

    Writing assistance across browsers and productivity apps

  • DuckDuckGo Browser fits best

    Privacy-focused browsing across desktop and mobile

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Side by side

Feature LanguageTool 9.0/10 Visit ↗ DuckDuckGo Browser 8.6/10 Visit ↗
At a glance
Editor score 9.0 8.6
Ranking #4 in Browser Extensions #6 in Browser Extensions
Best for Writing assistance across browsers and productivity apps Privacy-focused browsing across desktop and mobile
Pricing model Free plan + paid Free plan + paid
Starting price — $99.99/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted, Desktop, Mobile, Browser extension Desktop, Mobile
Platforms Web, Windows, macOS, iOS, Chrome extension Windows, macOS, iOS, Android
Support Email, Live chat, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features LanguageTool 1/4 · DuckDuckGo Browser 1/4
Open source ✓ (best) Not checked yet
Works offline Not checked yet Not checked yet
Mobile extension Not checked yet Not checked yet
Cross-device sync Not checked yet ✓ (best)
Specs
Supported browsers Not checked yet Not checked yet
Our review
Pros
  • Works across major browsers, desktop and iOS apps, and writing integrations
  • Free access covers basic grammar, spelling, punctuation, and style checks
  • Premium adds paraphrasing, longer text fields, and personal style guides
  • Blocks third-party trackers, ads and cookie pop-ups.
  • Syncs bookmarks, passwords and autofill with end-to-end encryption.
  • Available on Windows, macOS, iOS and Android.
Cons
  • Premium prices can vary by region and currency
  • Premium text fields are capped at 150,000 characters
  • Team-specific tools such as shared guides require a Team subscription
  • It is a full browser, not a dedicated browser extension.
  • VPN and personal information removal require a paid plan.
  • Pro is $19.99 per month, with AI features at its center.
Our verdict

LanguageTool helps writers check grammar, spelling, punctuation, style, tone, and word choice. It is suited to people who move between browsers, productivity software, and email, as well as teams that want shared writing resources. Its…

Read the review →

DuckDuckGo Browser is a free web browser for people who want privacy protections built into everyday browsing on desktop or mobile. It includes DuckDuckGo Search, third-party tracker blocking, ad blocking—including YouTube ads—and cookie…

Read the review →
  1. LanguageToolBrowser Extensions 9.0Free plan
  2. DuckDuckGo BrowserBrowser Extensions 8.6Free plan

Strengths and trade-offs

  • LanguageTool — where it wins

    • Works across major browsers, desktop and iOS apps, and writing integrations
    • Free access covers basic grammar, spelling, punctuation, and style checks
    • Premium adds paraphrasing, longer text fields, and personal style guides

    Where it doesn't

    • Premium prices can vary by region and currency
    • Premium text fields are capped at 150,000 characters
    • Team-specific tools such as shared guides require a Team subscription

  • DuckDuckGo Browser — where it wins

    • Blocks third-party trackers, ads and cookie pop-ups.
    • Syncs bookmarks, passwords and autofill with end-to-end encryption.
    • Available on Windows, macOS, iOS and Android.

    Where it doesn't

    • It is a full browser, not a dedicated browser extension.
    • VPN and personal information removal require a paid plan.
    • Pro is $19.99 per month, with AI features at its center.
  • LanguageTool9.0/10 · Free plan

    A flexible writing assistant for proofreading and refining text across browsers and productivity apps.

    Visit LanguageToolFull verdict →
  • DuckDuckGo Browser8.6/10 · Free plan

    A free browser with privacy protections, password tools and optional Plus or Pro subscriptions.

    Visit DuckDuckGoFull verdict →

More comparisons

All browser extensions comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update