Developer Tools — Free Online Tools
Formatters, encoders, generators and converters for everyday coding.
4 free tools — all running privately in your browser
QR Code Generator
Generate QR codes from any text, URL or contact and download them as images.
Open toolUUID Generator
Generate unique UUID v4 identifiers for apps, databases and testing.
Open toolJSON Formatter
Format, minify and validate JSON online — pretty-print with syntax checking in your browser.
Open toolBase64 Encoder Decoder
Encode text to Base64 or decode Base64 strings back to plain text — UTF-8 safe, instant, private.
Open tool