Overview
QuillBot is the world's largest AI English paraphrasing tool, with over 100 million users. Its core function is synonym-based rewriting—input an English sentence, and the AI reorganizes the language using different expressions while preserving the original meaning. It also integrates grammar checking, summary generation, translation, citation generation, and other full-process academic writing tools.
Key Features
- Synonym Rewriting: 7 rewriting modes (Standard/Fluent/Formal/Concise/Creative/Expand/Shorten), switch styles with one click
- Grammar Check: Real-time detection of grammar errors and spelling issues
- AI Summary: Automatically generate summaries for long texts, with adjustable summary length
- Citation Generation: Automatically generate academic citation formats such as APA/MLA/Chicago
- Translation: Supports translation between 30+ languages
- Chrome/Word Plugins: Directly invoke within browser and Word
Use Cases
- English paper rewriting and polishing
- Avoiding plagiarism (reducing paper repetition rate)
- Non-native English writing optimization
- Email and business English rewriting
- Academic citation format generation
Pros
- Verified by 100 million+ users, the most popular rewriting tool globally
- 7 rewriting modes covering various needs
- Convenient Chrome/Word plugins
- Free version features sufficient for daily use
Pricing
Free version: basic rewriting + 125-word summary + grammar check. Premium $9.95/month: unlimited rewriting + all modes + Plagiarism Checker.
Summary
QuillBot is the absolute leader in the English rewriting field, with 100 million users validating its value. Suitable for international students, academic writers, and all users who need to optimize English expression.