X Post Analyzer · Last updated: January 2026
X Post Analyzer is a Chrome extension that analyzes X (Twitter) posts for engagement optimization.
Key point: All post analysis is performed locally in your browser. Your draft posts are never transmitted to external servers.
The extension stores the following data locally on your device:
This data never leaves your browser and is not accessible to us or any third party.
Pro upgrades are processed through ExtensionPay (powered by Stripe). Payment information is handled entirely by ExtensionPay/Stripe and is subject to their respective privacy policies. We do not receive or store your payment details.
We do not collect, transmit, sell, or share any user data.
Since all data is stored locally on your device, you have full control over it. You can clear the extension's data at any time through Chrome's extension settings or by removing the extension.
We may update this policy occasionally. Changes will be reflected in the "Last updated" date at the top of this page.
For questions about this privacy policy, please open an issue on our GitHub repository or contact the developer.