LanguageTool
by LanguageTool
Open-source grammar and style checker for English and Spanish, with a free browser extension and paid premium.
Best for: Bilingual writers who switch between English and Spanish.
- Cost
- Free tier
- Levels
- intermediate, advanced
- Skills
- Writing
- Accent
- American and British
Link and free-tier details checked November 13, 2026. We are not affiliated with LanguageTool and earn nothing from this link.
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