Privacy Policy

Last updated: September 2026

Tools are local

All calculators on this site run in your browser. Text you enter and files you process are not uploaded to any server.

Cookies and advertising

This site is preparing to display advertising through Google AdSense. When advertising is enabled, Google and its partners may use cookies and similar technologies to serve ads based on your visits to this and other websites.

You can opt out of personalised advertising by visiting Google Ads Settings at adssettings.google.com or aboutads.info. Visitors in the European Economic Area, the United Kingdom and Switzerland will be shown a consent message before personalised advertising cookies are used.

Until advertising is enabled, this site does not set advertising cookies. This policy will be kept up to date to reflect the services in use.

Server logs

Our hosting provider may keep standard technical logs (such as IP address, user agent and request time) for security and reliability. We do not use these logs to identify individual visitors.

Contact

For privacy questions, email husongjie521@gmail.com.