Privacy

Last updated: October 26, 2026

The short version: Cipher Workbench doesn't ask for names, email addresses or any other personal information, and has no accounts. Your progress stays in your own browser.

What stays on your device

The site remembers things like solved puzzles, points, streaks and settings using your browser's local storage. This information stays on your device. It isn't sent to us, and you can delete it at any time by clearing this site's data in your browser settings.

What we don't collect

No accounts, sign-ups or passwords.
No names, email addresses, photos or locations.
No advertising or tracking cookies.
Messages you type into the cipher tools are worked out in your browser and aren't sent anywhere.

Services the site uses

Hosting: the site is served by Cloudflare. Like any web host, Cloudflare handles basic technical information, such as your IP address, to deliver pages and protect the site from attacks. See Cloudflare's privacy policy.
Fonts: the lettering on the site is loaded from Google Fonts, which receives your IP address when it sends the font files. See Google's privacy policy.
Puzzles: the site downloads each day's Daily Cipher and extra puzzles from our own server. These requests don't include anything about you.

Children

Cipher Workbench is for all ages and has a section made for children. We don't knowingly collect personal information from anyone, including children under 13. If we ever add optional features such as sign-in or leaderboards, we'll update this page first, and those features will need a parent's or teacher's permission where the law requires it.

Changes

If this page changes, the date at the top changes too.

Questions

Email info@cipherworkbench.com.