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LanguageTool Alternatives (2026)

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The LanguageTool alternatives users switch to most are Grammarly, QuillBot, Harper. Below: why they make the change and what each one does better.

1
Grammarly
Mentioned 9x by users
62/100

More thorough English grammar, tone and clarity checks with a free extension; the trade-off is weak non-English support and higher Pro pricing.

View Grammarly
2
QuillBot
Mentioned 7x by users
58/100

Same parent company (Learneo) and LanguageTool's own suggestion: a free grammar and paraphrasing extension for six languages, but no Firefox extension.

View QuillBot
3
Harper
Mentioned 6x by users

Free, open-source checker that runs entirely in your browser so text never leaves your device; English only and misses subtle errors.

View Harper
4
ProWritingAid
Mentioned 5x by users
55/100

Deeper style and readability reports for long-form English writing, with a lifetime option; heavier and English-focused.

View ProWritingAid
5
Antidote
Mentioned 3x by users

Strong French and English correction for bilingual writers; paid per language and no live underlines in every web field.

View Antidote
6
Hemingway Editor
Mentioned 3x by users
65/100

Readability-focused editor for tightening English prose; not a full grammar checker.

View Hemingway Editor

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See how LanguageTool stacks up against the top alternative

Compare LanguageTool vs Grammarly

LanguageTool alternatives: FAQ

What is the best LanguageTool alternative?
Grammarly is the alternative users mention most when they leave LanguageTool: More thorough English grammar, tone and clarity checks with a free extension; the trade-off is weak non-English support and higher Pro pricing.
What are the alternatives to LanguageTool?
Users switch from LanguageTool to Grammarly, QuillBot, Harper, ProWritingAid, Antidote, Hemingway Editor.

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