Misc dev
JWT inspector, references, builders and other handy tools.
Google SERP simulator
Preview how your page title and meta description appear in Google search, with live pixel-width truncation for desktop and mobile.
Meta tag auditor
Paste your page's HTML to audit its title, description, canonical and Open Graph / Twitter tags, with a social-preview card.
Number base converter
Convert numbers between binary, octal, decimal and hexadecimal, even very large ones.
cURL to code converter
Paste a cURL command and get equivalent code for JavaScript fetch, Python requests or Node.js axios.
Chmod calculator
Work out Unix file permissions — toggle read/write/execute to get the octal (e.g. 755), symbolic and chmod command.
.gitignore generator
Build a .gitignore by picking your stack — Node, Python, macOS, VS Code and more — then copy or download it.