Free Developer Tools: JSON Formatter, QR Code, Base64 and More
Small utilities for everyday technical tasks: format and validate JSON, encode Base64 and URLs, generate strong passwords, and create QR codes for links, text and WiFi. They run locally in your browser, wherever you work.
Safe for real data
Pasting an API response or a config file into a random website is a habit worth breaking, because that JSON often carries tokens, emails or customer data. Nothing you paste here is sent to a server. The password generator uses the browser's cryptographic random number generator, and passwords are never stored or logged.
Not only for programmers
Create a QR code for a shop's website or a home WiFi network, or encode a link containing special characters before sharing it. The QR generator also includes UPI payments as a clearly labeled India-specific option.