Last updated: July 2026

QuillBot has become a fixture in student writing workflows specifically for its paraphrasing tool — reword a sentence across multiple tone modes without losing the original meaning. What started as a narrow paraphrasing tool has expanded into grammar checking, summarizing, and citation generation, all under one subscription.

What Is QuillBot?

QuillBot rewords existing text through multiple paraphrasing modes (Standard, Fluency, Formal, Creative, and more), alongside grammar checking, an AI document summarizer, and an academic citation generator, accessible via a browser extension that works across most writing surfaces.

Pricing

Free: $0 — basic paraphrasing with a word limit per rewrite, 2 tone modes.
Premium: $9.95/month billed annually ($19.95 monthly) — unlimited paraphrasing length, all tone modes, plagiarism checker, and AI detector included.
Team plans: Available at a per-seat discount for multiple users on one account.

Students get an additional discount off Premium with a valid .edu email — worth checking before paying full price if you're eligible.

Key Features

Paraphrasing across multiple tone modes (formal, casual, creative, and more), an integrated grammar and plagiarism checker, an AI-powered document summarizer for condensing long text, and a citation generator for academic writing.

Pros and Cons

Pros: The browser extension genuinely works almost everywhere you type, not just inside QuillBot's own editor, Premium at $9.95/month (annual) is priced below most direct competitors, student discount makes it especially affordable for its core audience.
Cons: Free tier's word-count limit per rewrite makes it frustrating for anything beyond short passages, over-relying on paraphrasing tools for academic work raises legitimate concerns about originality that students should be aware of, and output occasionally produces awkward phrasing that needs a manual pass.

Who Should Use It?

Students, writers, and anyone polishing existing text quickly benefit from QuillBot's paraphrasing and grammar checking working together in one subscription. Anyone doing from-scratch long-form writing will find dedicated writing assistants like Grammarly offer more relevant depth.

How It Compares

Grammarly focuses more on grammar and tone correction with less emphasis on paraphrasing depth, making the two tools genuinely complementary rather than direct competitors for some workflows. Wordtune offers similar rewriting capability at a comparable price with a slightly different tone-adjustment approach.

Final Verdict

QuillBot is a solid, affordably priced pick specifically for paraphrasing and polishing existing text — students in particular get strong value with the education discount. Use it as an editing aid rather than a substitute for original writing, especially for academic work.