QuillBot
Free tierAI paraphrasing and writing enhancement — rewrites sentences while preserving meaning.
Free tier available·All audiences·Powered by QuillBot
Key strengths
ParaphrasingGrammar checkingAI detectionPlagiarism checkingAI humanizerSummarizationCitation generationAI image generationTranslationPDF toolsWide platform/extension support
Free tier + paid plans · from $10 USD/mo
Chicago, US
Founded 2017
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Recent changes
- Plans updated: Free tier available; Premium plan offered. Pricing details not specified on homepage.
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QuillBot provides platform-native integrations rather than a traditional public API surface. Deployment options include:
- Browser extensions: Chrome, Edge, Safari
- Mobile apps: Android, iOS
- Desktop apps: Windows, macOS
- Office add-in: Microsoft Word
The core toolset encompasses:
- Paraphraser — AI-driven text rewriting
- Grammar Checker — automated grammar and style correction
- AI Detector — identifies AI-generated content
- Plagiarism Checker — scans for duplicate or unoriginal content
- AI Humanizer — rewrites AI-generated text to read as human-authored
- Summarizer — condenses long-form content
- Citation Generator — produces formatted academic citations
- AI Image Generator — creates images from text prompts
- Translator — multilingual text translation
- PDF Tools — PDF reading and editing utilities
Pricing follows a freemium model; the free tier is confirmed available, while Premium plan pricing specifics are not disclosed on the homepage.
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