Wordtune

Free tier

Express yourself with confidence — AI-powered paraphrasing, rewriting, and writing assistant

Free tier available·All audiences·Powered by AI21 Labs

Key strengths

Context-aware rewrite and paraphrase suggestions tailored to your writing styleFull-suite reading and writing assistant including summarization of documents and YouTube videosFact-checked AI writing that verifies sources before generating contentTone switching between formal and casual with one clickMultilingual translation into English from 10+ languages

Free tier + paid plans

Tel Aviv, Israel

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Wordtune is developed by AI21 Labs and is powered by their proprietary large language models. It integrates into browsers via Chrome and Microsoft Edge extensions, and is available as an iOS app, enabling it to work across virtually any web-based writing surface. The platform offers context-based rewrite suggestions, a smart synonym generator, advanced grammar and spell checking, and AI continuation capabilities. For content generation, Wordtune performs multi-source fact verification (checking at least 5 sources) before surfacing factual claims, reducing hallucination risk in AI-generated copy.

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