Cookie Policy

Cookies and browser storage we use. Change your choice any time with Cookie Settings in the footer.

Strictly necessary (always on)

ch_consent (your cookie choice), ch_lang (language), ch_mine (saved list), ch_custom (calculators you created), ch_tr_* (translation cache). Stored in your browser; never sent to advertisers.

Analytics – visitor counters (only if allowed)

ch_seen and ch_loc remember that you were counted today. The counter service records daily, monthly and total visits and an “online now” figure.

Advertising – Google AdSense (only if allowed)

Google and partners set cookies such as IDE and DSID to show and measure ads and may personalise them. Manage at adssettings.google.com or aboutads.info. If you reject advertising, no ad cookies are set and ad slots stay empty.

We use cookies to run the site, count visitors and show ads. Choose what you allow.

Cookie and privacy settings

Strictly necessary
Language, saved list, your choice. Always on.
Analytics (visitor counters)
Counts visits: today, this month, total.
Advertising (Google AdSense)
Ads and ad measurement. Off means no ad cookies.

Cookie Policy · Privacy Policy