Grammar
Fix spelling, punctuation, and clarity online
Review corrections or copy the cleaned text in one click.
AI Grammar Checker
Fix grammar, spelling, and readability. Copy the corrected text in one click.
Free AI grammar checker — fix spelling, punctuation & clarity online
Paste any draft for instant grammar and spelling corrections. Polish AI or human writing, then scan or humanize in the same heyLoo workspace — no extra subscription.
Clear corrections list
See what changed and why, or copy the corrected text in one click.
Readable fixes
We prioritize clarity and flow — not robotic grammar-bot phrasing.
Bundled with every tool
Grammar is included in heyLoo Pro ($10 once) alongside checker and humanizer.
1-click
Copy corrected text
Spelling · Grammar · Punctuation
Corrections are written for real publishing — emails, essays, posts — not academic exercise sentences.
Fixes you can actually use
Used before every publish
Works on any draft
Key features of our online grammar checker
Spelling and grammar fixes
- Catches common mistakes and awkward phrasing
- Shows a clean list of suggested corrections
Review changes before you copy — you stay in control.
One-click copy
- Copy the full corrected text to your clipboard
- No retyping fixed paragraphs manually
Fast enough for daily email and chat workflows.
Part of the heyLoo bundle
- Free daily grammar checks included
- Unlimited with $10 lifetime Pro
Cheaper than standalone grammar SaaS plans.
From rough draft to publish-ready text
Grammar first, then checker or humanizer if you need deeper edits.
How is heyLoo Grammar Checker different?
Standalone grammar apps charge monthly. heyLoo bundles grammar with AI checker and humanizer for one $10 lifetime price.
What makes our approach unique:
- Simple UI — paste, fix, copy
- Corrections list plus full rewritten text
- Same account as checker and humanizer
- Free tier to try before you upgrade
One workspace for polish, detection, and rewriting.
FAQs
Does it replace a human editor?
No tool replaces a skilled editor. Use heyLoo for a fast first pass, then apply your judgment for tone and accuracy.
What languages are supported?
Optimized for English. Other languages may work inconsistently.
Is my text stored?
Logged-in users can save scan history. We do not sell your content. See our privacy policy for details.
How many free checks per day?
Free accounts get daily limits; Pro removes caps with a one-time $10 payment.