In-depth writing style and grammar checker
ProWritingAid checks grammar, style, and readability with over 20 detailed reports covering pacing, sentence variety, and overused words, aimed at serious writers and editors.
Paraphrasing, grammar and citations
QuillBot combines a paraphraser, grammar checker, summariser and citation generator in one affordable suite. Students and researchers are its core audience.
Rewrite and shorten anything
Wordtune rephrases sentences for tone, length and clarity right inside your browser. It is the fastest way to fix clunky writing without starting over.
Writing assistant and AI editor
Grammarly checks grammar, tone and clarity everywhere you write and can now rewrite or generate drafts in your voice.
Free online paraphrasing tool
Paraphraser.io rewrites text in multiple modes (fluency, formal, creative) for free, with optional premium tiers for higher word limits and additional modes.
AI writing assistant from DeepL
DeepL Write improves clarity, tone, and phrasing of text using DeepL's translation-grade AI, supporting multiple languages with rewrite suggestions.
Multilingual grammar and style checker
LanguageTool offers grammar, spelling, and style checking across 30+ languages, with browser extensions and an open-source core, popular for its privacy stance.