Developer Tools

Format and validate JSON, encode and decode Base64 and generate strong passwords online. Free, no sign-up, and your data stays in your browser.

Base64 Encode and DecodeEncode and decode Base64 text, turn files and images into data URLs, and preview decoded files.JSON FormatterFormat, validate, minify and repair JSON, with exact error positions and a collapsible tree view.Password GeneratorStrong random passwords and memorable passphrases, made with your browser's secure random generator.