Free tools

Small tools for working away from the desk

Each one runs entirely in your browser: nothing you type is sent anywhere. Copy the result into your terminal or config file.

/tools/authorized-keys-options-builderauthorized_keys options builderPaste a public key, tick the restrictions you want, and copy the finished authorized_keys line. Nothing leaves your browser, and private keys are refused. /tools/claude-code-permissions-generatorClaude Code permissions generatorPick presets or write your own allow, ask and deny rules, choose the settings file, and copy valid JSON. The rule syntax follows Anthropic's Claude Code docs as of October 2026. /tools/keep-computer-awake-command-generatorKeep computer awake command generatorChoose how long the computer should stay awake and copy the command: caffeinate on macOS, systemd-inhibit on Linux. Each flag is explained, along with the caveats that catch people out. /tools/ssh-config-generatorSSH config generatorFill in the fields and copy a Host block for ~/.ssh/config, plus the short command that uses it. It all runs in your browser; nothing you type leaves the page.