Solve proportions instantly by entering any three of four values. Results update as you type and are automatically copied to your clipboard, with support for expressions, keyboard shortcuts, and a floating window for quick calculations.
QuickOTP
Authenticator & Passkeys
Your second factor,
where you sign in.
where you sign in.
The next time a site asks for a code, you’ll just tap it in. iPhone · iPad · Mac
Download on the
App Store
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