Fast, free, beautifully designed tools for developers and everyday users.
Generate custom QR codes with instant preview and download.
Open tool →Format, validate, and beautify JSON in one click.
Open tool →Encode and decode Base64 strings securely in your browser.
Open tool →Generate secure version 4 UUIDs instantly.
Open tool →Decode JSON Web Tokens and inspect payload instantly.
Open tool →Convert Unix timestamps to readable dates and back.
Open tool →Convert HEX colors to RGB and HSL formats instantly.
Open tool →Generate Dart model classes with fromJson and toJson methods.
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