Developer tools
JSON, encoding, hashing, regex, and common developer utilities
JSON Formatter
Online JSON formatting, compression, validation and escaping with automatic error positioning.
Timestamp Converter
Convert between Unix timestamps and date-time, supporting seconds/milliseconds.
Base64 Encoder/Decoder
Base64 encoding and decoding, supports Chinese UTF-8.
URL encoder/decoder
Encode and decode URLs and special characters.
MD5/SHA hash
Generate MD5, SHA1, SHA256, and SHA512 hashes locally.
Base converter
Convert between binary, octal, decimal, hex, and bases 2-36.
UUID generator
Generate UUID v4 values in batches with format options.
Regex tester
Test regular expressions with real-time highlighting.
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