Best AI tools for Grammar Checking

AI assistant built to be helpful, harmless, and honest

Writing confidence that follows you everywhere

Rephrase until it sounds right

Used by over 10 million teachers and students across more than 100 countries, GPTZero detects AI-generated text across major language models while providing a suite of writing verification tools

Taskade is an AI business app builder that turns one prompt into apps, AI agents and automated workflows inside a single workspace it calls living.

Rewrite sentences without rewriting them yourself

Detect.ai combines an AI content detector with a humanizer in a single browser tool.

AHelp starts at $4

Teachers claim they're grading essays 80% faster with CoGrader

AI with attitude and real-time knowledge

RewriteBar offers a free trial before you buy

Opening CoWriter AI drops you into a writing interface built around one goal: getting academic papers written without tripping AI detection tools

UnGPT takes AI-generated text and rewrites it to mimic natural human writing patterns that slip past detection algorithms

You've pasted ChatGPT output into a paper or blog post and cringed at how robotic it sounds

You're a Mac user drafting emails all day

You paste or type text into the main input box, which caps at 600 words per session

Grammar Checker.cc is a free online grammar checker.

A Windows-only text improvement tool that sits in the background of any application and activates with a keyboard shortcut

This Chrome extension turns voice recordings into text and polishes existing writing inside any text box on the web

The promise sounds too good: turn any AI text into writing that passes for human

Scraib

Professional writers who need AI assistance without leaving Microsoft Word can draft and edit documents using their company's existing knowledge base through this specialized Word agent