JSON Formatter
Format, beautify, minify, and validate JSON with error highlighting.
Developer Tools⚡ Developer Tools
All developer tools on Toolzees — free and instant.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text.
Developer ToolsURL Encoder / Decoder
Percent-encode or decode URLs and query string components.
Developer ToolsHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
Developer ToolsJWT Decoder
Decode a JSON Web Token to inspect its header and payload.
Developer ToolsUUID Generator
Generate one or many random v4 UUIDs in bulk.
Developer ToolsUnix Timestamp Converter
Convert between Unix timestamps and human dates, with a live clock.
Developer ToolsNumber Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Developer ToolsHTML Entity Encoder
Encode or decode HTML entities like &, <, and >.
Developer ToolsCSV to JSON Converter
Convert CSV data to JSON with header detection and delimiter choice.
Developer Tools