Quillbot
The most popular AI paraphrasing tool — 35 million users use it to rewrite, summarise, and improve text quickly.
The most popular AI paraphrasing tool — 35 million users use it to rewrite, summarise, and improve text quickly.
QuillBot is the world’s most-used AI paraphrasing tool with over 35 million users primarily in education and professional writing. Its core function — rephrasing text in multiple modes — remains its biggest value, expanded into a full writing suite.
Free plan gives 125 words paraphrasing and basic features. Premium ($9.95/mo) removes all limits. Annual plan ($6.67/mo) is the most popular.
Paraphrasing modes: Standard, Fluency, Formal, Academic, Simple, Creative, Expand, and Shorten — each produces distinctly different output. The Grammar Checker, Plagiarism Checker, Citation Generator, and Summariser round out the toolkit.
Academic mode is particularly valued by students and researchers — it rephrases complex academic language while preserving precise meaning. The Chrome extension works in Google Docs, Gmail, and most web editors.
Pros: Best paraphrasing tool, 8 distinct modes, unlimited on Premium, comprehensive writing toolkit, widely accepted in academic contexts, Chrome extension.
Cons: Not appropriate for passing off AI work as original, free tier very limited, some modes produce awkward phrasing.
Best for: Students paraphrasing research, non-native English speakers improving fluency, professionals rewording technical documents, and writers seeking alternative phrasings.