Privacy Policy

What we don't collect

No account, name, phone number or email is needed to use any tool.

What you type is not sent or stored by us. Some tools save your entries only in your own browser.

Analytics

We use Google Analytics to see which pages are used, with cookies that collect anonymous statistics. You can opt out with Google's add-on: https://tools.google.com/dlpage/gaoptout

How Google uses this data: https://policies.google.com/technologies/partner-sites

Advertising

We plan to show Google AdSense ads. Third-party vendors, including Google, use cookies to show ads based on your previous visits to this or other websites.

You can turn off personalised ads in Google's Ad Settings: https://adssettings.google.com

Push alerts (optional)

If you turn on alerts with the 🔔 button, your browser gives us a push address. We keep it on Cloudflare, our host, with your language, time zone and the alerts you chose, and use it only to send those alerts. We never get your name, email or phone number.

Turn alerts off with the 🔔 button or in your browser settings and we delete your push address. Addresses that stop working are deleted automatically.

Hosting

The site is served by Cloudflare, which processes technical data such as IP addresses to deliver pages and protect the site.

If you write to us

We use your email address only to reply.

Your rights

We follow Japan's Act on the Protection of Personal Information (APPI) and never sell personal data. To ask for access, correction or deletion, write to [email protected].