Encoding & Decoding
Base64 encode/decode
URL percent-encoding
HTML entity encode/decode
JWT decoder with header & payload inspection
Unicode escape/unescape
Binary ↔ Hex conversion
Morse code translator
ROT13 cipher
Hashing & Generation
MD5, SHA-1, SHA-256, SHA-384, SHA-512 hash generator
HMAC generator with multiple algorithms
Password hashing (bcrypt-style)
File checksum verification
UUID v4 generator (single or batch)
Cryptographic random string generator
Nano ID generator
Data Format Tools
JSON formatter & validator with syntax highlighting
JSONPath query engine
JSON ↔ YAML bidirectional converter
YAML formatter
XML formatter & validator
XML ↔ JSON converter
CSV ↔ JSON converter
SQL formatter
GraphQL query formatter
TOML parser
Web Development
Color converter (HEX, RGB, HSL, HSB)
CSS minifier / beautifier
JavaScript minifier
HTML minifier
Markdown live preview
Lorem Ipsum generator
Data URI converter
SVG path visualizer
Placeholder image generator
Text Processing
String case converter (camelCase, snake_case, kebab-case, PascalCase, and more)
Regex tester with match highlighting
Regex pattern library — common patterns ready to use
String diff comparison
Line sorter & deduplicator
Text statistics (words, characters, lines, sentences)
String escape/unescape (JSON, XML, CSV, etc.)
Whitespace visualizer & cleaner
Number base converter (binary, octal, decimal, hex)
Unix timestamp ↔ date converter
Epoch batch converter
URL slug generator
Developer Utilities
QR code generator
Cron expression parser with human-readable output
Git branch name generator
Semantic versioning (SemVer) comparator
ASCII art text generator
HTTP status code reference
MIME type lookup
Common port number reference
IP address information
SSL/TLS certificate decoder