QuillBot
FreemiumWrite, design, and create with AI.
QuillBot is an all-in-one AI creation suite that helps users write, design, and produce visual content. Starting from its renowned paraphrasing and grammar checking tools, it has expanded to include AI chat, image generation, presentation creation, PDF editing, and file conversion capabilities. With 35+ million users across 180+ countries, it serves students, professionals, and creators who need versatile AI assistance for writing, visuals, and document management.
What is it
QuillBot is a comprehensive AI-powered creation platform offering tools for writing, visual design, and document management. Originally known for paraphrasing, it now encompasses grammar checking, AI humanization, plagiarism detection, image generation, presentation creation, and a full suite of PDF tools.
What it can do
It rewrites text in multiple styles, checks grammar across six languages, summarizes long documents, detects AI-generated content and plagiarism, generates images from text prompts, creates slide decks, edits and converts PDFs, and provides an AI chat assistant for brainstorming and writing support.
Who is it for
Students and academics refining essays and citations, content creators producing social media posts and visuals, professionals polishing business communications, job seekers building resumes and cover letters, and anyone needing quick document conversion or PDF management.
Key Features
AI Paraphraser – Multi-Mode Text Rewriting
Rewrite sentences, paragraphs, or entire documents in multiple styles while preserving original meaning. The free tier offers Standard and Fluency modes for up to 125 words, while Premium unlocks nine unique modes including Humanizer, Formal, Academic, Simple, Creative, Expand, and Shorten, plus unlimited custom modes defined by user-provided style guidance.
Grammar Checker – Spelling, Style, and Tone Correction
Detect and correct grammar, spelling, and punctuation errors across six languages. The free tier fixes basic errors, while Premium adds advanced writing recommendations, tone insights, and style improvements such as eliminating passive voice and simplifying complex sentences.
AI Summarizer – Document Condensation
Condense long articles, papers, or documents into key bullet points or coherent paragraphs. The free tier supports up to 1,200 words, while Premium expands this limit to 6,000 words and adds custom summary options, allowing users to tailor the depth and format of condensed content.
AI Humanizer – Naturalize Machine-Written Text
Transform AI-generated drafts into writing that sounds more natural and human. Basic humanization is available on the free tier with limited daily uses, while Premium unlocks advanced humanization with unlimited usage, human score insights, and tone analysis to ensure authentic-sounding output.
Use Cases
Academic writing and essay refinement
Students use the paraphraser to rewrite draft sentences while maintaining original meaning, the grammar checker to polish essays across six languages, the summarizer to condense research papers, and the citation generator to format references in APA, MLA, or Chicago style. The plagiarism checker ensures originality before submission.
Social media content creation
Content creators leverage AI Chat to brainstorm post ideas, the paraphraser to rewrite captions in different tones, the image generator to create visuals, and the social media post writer to craft engaging content quickly. The humanizer ensures AI-assisted posts sound authentic and natural.
Business communication and report polishing
Professionals use grammar checking and tone insights to ensure emails, reports, and briefs are clear and appropriately formal. The paraphraser helps rephrase complex technical language into accessible explanations, while the summarizer creates executive summaries of lengthy documents.
Resume and cover letter creation
Job seekers use the cover letter generator to create tailored application documents, the paraphraser to customize language for specific roles, and the grammar checker to eliminate errors that could undermine a first impression. AI Chat helps brainstorm achievements and phrasing.
Pricing plans
Frequently Asked Questions
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