#Tips
QR & Barcode
How to Create a Custom QR Code for Free (URL, Wi-Fi, vCard & More)
Generate a QR code for a link, Wi-Fi network, or contact card, customize its color and size, and download it in seconds.
Security Tools
How Strong Is Your Password? Free Password Strength Checker
Type any password to see its strength score in real time, exactly which security criteria it passes or fails, and specific tips to make it stronger.
FeaturedDeveloper Tools
JSON Formatter: How to Format, Validate and Minify JSON Online
Paste messy or minified JSON and get a readable, indented, collapsible tree view instantly - plus one-click validation and minification.