Best for
Writing AI tool
QuillBot
QuillBot rewrites and refines text — paraphrasing, grammar checks, and summaries — across the web, Microsoft Word, and mobile apps.
Audience
Students
Pricing
Freemium
What QuillBot does
- Paraphraser with multiple modes and a synonym slider that controls how much wording changes.
- Grammar checker and summarizer work on the same passage in a single pass.
- Extra tools cover translation, an AI detector, a plagiarism checker, and AI chat.
- Runs as a website plus Chrome, Edge, and Safari extensions, a Word add-in, and iOS, Android, macOS, and Windows apps.
When to use QuillBot
- A student rephrases draft passages and checks grammar before handing in an assignment.
- A writer turns one paragraph into several variations for different channels.
- An ESL professional improves the fluency of business emails and documents.
QuillBot pricing
QuillBot is offered as a freemium product. Plans and exact prices change often — check the official QuillBot site for current tiers and limits.
Related freemium AI tools
- SciSpace (Freemium) — AI research assistant for reading, searching, and summarizing papers.
- TurboScribe for creators — Transcribes audio and video to text in 98+ languages.
- ML engineers and AI teams — Experiment tracking and model management for machine learning.
Where to find QuillBot
Browse more options like QuillBot across our curated AI tool lists and the Writing category.
Frequently asked questions
Is QuillBot free?
Yes. A free plan covers limited paraphrasing with the Standard and Fluency modes. Paid Premium and Team plans remove limits and add modes and tools.
What can QuillBot do besides paraphrasing?
It bundles a grammar checker, summarizer, translator, AI detector, plagiarism checker, and AI chat in one place.
Where can I use QuillBot?
Through the website, browser extensions, a Microsoft Word add-in, and apps for iOS, Android, macOS, and Windows.