Tool category
Developer Tools
Format, encode, hash, and generate directly in your browser. Every tool processes data locally — nothing is uploaded.
JSON FormatterPopularFormat, validate, and minify JSON with clear error messages.Base64 Encoder / DecoderEncode text to Base64 or decode it back, with full Unicode support.URL Encoder / DecoderPercent-encode text for URLs or decode an encoded string.HTML Entity Encoder / DecoderEscape special characters to HTML entities or decode them back.Hash GeneratorCompute SHA-1, SHA-256, SHA-384, and SHA-512 digests of any text.UUID GeneratorGenerate random version 4 UUIDs, one at a time or in bulk.Password GeneratorPopularCreate strong random passwords with your choice of character sets.Unix Timestamp ConverterConvert Unix timestamps to readable dates and back again.Number Base ConverterConvert integers between binary, octal, decimal, and hexadecimal.JWT DecoderInspect the header and payload of a JSON Web Token, including expiry.