Rephrasing and polishing sentences, especially useful for non-native English writers
Best free AI tools for students
Every tool on this page has a genuinely free plan — not a trial that expires. We say what the free tier actually includes, and where it runs out.
Cost
Category
Pricing
AI pair programmer built into your editor that autocompletes code, explains unfamiliar codebases, and can run autonomous "agent mode" tasks across multiple files.
A writing assistant that checks grammar, clarity and tone as you type.
Making writing clearer and easier to read by flagging complex sentences and passive voice
Deep style and grammar editing with detailed reports beyond basic spellcheck
A paraphrasing and summarising tool aimed at writers and students.
Generating correctly formatted citations and checking a paper for AI-generated text or plagiarism
A computational engine that solves maths problems and shows worked steps.
Rewriting an awkward sentence into several clearer alternatives