Small tools, for problems worth fixing properly.

A two-factor authenticator that lives in your menu bar. Built because the free Mac authenticators are ad-supported, abandoned, or want you to sign in before they will show you your own codes.

• TOTP and HOTP, SHA1 / SHA256 / SHA512, 6 or 8 digits, custom periods
• Secrets live in the macOS Keychain, never on disk in the clear
• No networking code at all. Grep the source for URLSession and you find nothing, so it cannot phone home
• Imports straight from Google Authenticator by scanning its export QR
• Free, no account, no ads

A menu bar battery tool for Apple Silicon Macs. Shows real battery health, and stops charging before 100% so the cells spend less time sitting at full.

• Charge limit at any level from 50 to 99 percent
• Sailing mode randomises the cutoff within a band you set, so the battery is not parked at one voltage
• Pause charging above a temperature you choose
• Top up to 100% on demand before travel, and forced discharge while still plugged in
• Cycle count, health against design capacity, temperature, voltage and wattage, live