Last updated: April 1, 2026
AI Grammar Checker (grammarcheckai.online) is a free online tool that uses artificial intelligence to check grammar, spelling, and punctuation across multiple languages. We are operated by an independent developer. For questions, contact us at marketingync@gmail.com.
When you use our grammar checker, the text you enter is sent to our AI processing service (Google Gemini via Firebase) to generate grammar corrections. We do not store, log, or retain the text you submit. The text is processed in real time and discarded after the response is returned to you.
We use Firebase Analytics (a Google service) to collect anonymous usage statistics, including:
This data is aggregated and cannot be used to identify you personally. Firebase Analytics data is processed in accordance with Google's Privacy Policy.
We use the following types of cookies:
You can manage or disable cookies through your browser settings. Disabling cookies may affect site functionality.
We use the information collected to:
We do not sell your personal data. We do not use your submitted text for advertising targeting.
Our grammar checking feature uses Google Gemini AI, accessed via Firebase Cloud Functions. When you submit text for grammar checking, it is sent to Google's AI infrastructure for processing. Google's use of this data is governed by their Privacy Policy and Firebase Privacy Policy.
Our service is hosted on Firebase Hosting (Google Cloud infrastructure), which may collect server access logs including IP addresses for security and performance purposes.
We display advertisements served by Google AdSense (publisher ID: ca-pub-4405640929022136). Google AdSense uses cookies and tracking technologies to show personalized ads based on your browsing behavior.
Google's advertising partners may use cookies to:
You can opt out of personalized advertising by visiting Google Ad Settings or by using the NAI opt-out tool. You can also manage your ad preferences through the Your Online Choices platform (EU).
Since we do not store your submitted text, there is no text data to delete. Analytics data is retained by Google Analytics per their standard retention policies (typically 26 months). Server logs are typically retained for up to 90 days for security purposes.
Depending on your location, you may have the following rights:
To exercise any of these rights, contact us at marketingync@gmail.com. We will respond within 30 days.
If you are a California resident, you have rights under the CCPA. We do not sell personal information. To submit a CCPA request, use the email above.
Our service is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has submitted personal information to our site, please contact us and we will take steps to delete it.
Our site may contain links to external websites (such as Google Play Store). We are not responsible for the privacy practices of those sites. We encourage you to review their privacy policies before providing any personal information.
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of our service after changes constitutes acceptance of the updated policy.
For questions or concerns about this Privacy Policy or your data, contact us at:
Email: marketingync@gmail.com