QuillBot

It rewrites and polishes your writing like a smart companion that paraphrases, checks grammar, detects plagiarism and even humanizes AI text.

QuillBot is an AI writing suite that combines a multi-mode paraphraser, grammar checker, AI detector, plagiarism checker, summarizer, translator, citation generator and AI humanizer to help users produce high-quality, original content【213768882996186†L162-L170】【213768882996186†L176-L233】. It targets students, academics and professional writers and integrates with platforms like Google Docs and Gmail to support over 30 languages while allowing quick citation formatting and translation【213768882996186†L162-L170】【213768882996186†L176-L233】. By consolidating editing, rewriting and originality tools into one service, QuillBot replaces separate apps such as Grammarly, Turnitin and citation generators, simplifying the writing process.

Best For: students, academic researchers and non-native English writers

Pros & Cons:
✅ All-in-one writing suite
✅ Supports over 30 languages
✅ Seamless platform integrations
❌ Occasional unnatural phrasing
❌ Risk of plagiarism flags
❌ Subscription cost for premium