QuillBot

QuillBot is a paraphrasing and grammar tool for rewriting, summarizing, and cleaning up drafts. The free tier covers light use, and verified students can get Premium at a reduced annual rate.

Best for: Rewriting clunky sentences

What you get

• Free tier: paraphraser capped at 125 words per run with 2 modes (Standard + Fluency) plus basic grammar checking — no credit card, no time limit
• Premium unlocks unlimited paraphrasing, all paraphrasing modes, and a plagiarism checker (25,000 words/mo); $19.95/mo monthly or $8.33/mo billed annually ($99.95/yr)
• Student discount: 25% off the annual plan (~$6.25/mo) with student/.edu email verification — confirm current price on their site
• No time-limited free trial; a 3-day money-back guarantee is the only refund window

How students use it

• Paraphrase your own awkward sentences until they read cleanly (rewrite your work — don't launder someone else's)
• Summarize long readings into skimmable notes
• Run a grammar pass on essays written in a hurry