Check Grammar Free Online
Fix grammar, spelling, and punctuation errors instantly. Works for essays, emails, and more.
Use This Tool Free →
Instant Grammar Checking
Whether it's a college essay, business email, or social media post — grammar mistakes undermine your credibility. Our AI catches errors that basic spell checkers miss: subject-verb agreement, comma splices, dangling modifiers, and more.
Steps:
2
AI highlights all errors with explanations
3
Click to apply corrections
Why Choose txt1.ai?
🆓
100% Free
No hidden fees, no premium tiers
🔒
Private & Secure
Files deleted after processing
⚡
Instant Results
No waiting, no queue
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No Signup
No email, no account required
Check Grammar Free Online
No signup · No watermark · Unlimited use
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❓ Frequently Asked Questions
Is this tool really free?+
Yes, completely free with no hidden fees, no credit card required, and no usage limits.
Do I need to create an account?+
No signup required. Just open the tool and start using it immediately.
Is my data private and secure?+
Yes. Files are processed locally in your browser. We never upload, store, or access your files.
What devices are supported?+
Works on any device with a modern web browser — desktop, laptop, tablet, or phone.
How do I get support?+
Visit our Help Center or contact us at
[email protected]. We typically respond within 24 hours.
Can I use this for commercial purposes?+
Yes, all output files can be used for personal and commercial purposes without restrictions.
Is there an API available?+
We're working on a public API. Visit our API page at txt1.ai/api for early access information.