Developer Tools

Free online developer tools: JSON formatter, Base64 encoder, password and QR code generators.

JSON FormatterFormat, validate and minify JSON.Base64 Encode & DecodeConvert text to Base64 and back.Password GeneratorCreate strong random passwords.QR Code GeneratorMake QR codes for links, text and Wi-Fi.Hash GeneratorMD5, SHA-1, SHA-256 and SHA-512 for text and files.UUID GeneratorGenerate random version 4 UUIDs (GUIDs).URL Encoder & DecoderPercent-encode and decode URLs and query strings.JSON to CSV ConverterConvert JSON to CSV and CSV to JSON.Text Diff CheckerCompare two texts and see what changed.Unix Timestamp ConverterConvert Unix timestamps to dates and back.