Clean, searchable reference tables for the things developers look up again and again — HTTP status codes, HTML entities, the ASCII table and file permissions. Tap any row to copy.
These are the reference pages worth bookmarking: the HTTP status codes you need when debugging an API, the HTML entity codes for special characters, the ASCII table mapping numbers to characters, and the Unix permission values behind every chmod command. Each one is fully searchable and runs in your browser. Looking for command-line help instead? Browse the command cheatsheets, or the browser tools for things like Base64, JSON and hashing.