Analyze text and get comprehensive statistics
Convert text between different case formats
Convert text into ASCII art using various fonts
Convert text to NATO phonetic alphabet
Browse emojis with search and category filtering
Test a regex against any text, with block-by-block explanation and actionable suggestions
Convert Chinese text between Traditional and Simplified scripts, with reference table including Pinyin, Jyutping, and regional notes
Compare two strings using six classical similarity algorithms
Encode and decode Base64 strings
Encode and decode URLs for safe transmission
Validate, format, and minify JSON
Convert between JSON and YAML formats
Run a JSONPath query against a JSON document and see the matching values and their paths
Run an XPath query against an XML document and see the matching nodes and their paths
Perform DNS lookups using encrypted DoH protocol
Calculate IPv4 subnet information from CIDR
Defang and refang URLs, IPs, and email addresses
Generate cryptographic hashes for any text
Decode and analyze X.509 certificates
Decode and inspect JSON Web Tokens
Sign and verify JSON Web Tokens
Inspect JWTs for alg: none, key-confusion, kid/jku injection, and missing-claim replay hints, then forge a new token with the loaded key
Parse and analyze URL components
Parse and analyze email authentication headers
Sign messages with a key, verify signatures with constant-time compare
Calculate Unix file permissions
Generate cron expressions with visual interface
Convert temperatures between Celsius, Fahrenheit, Kelvin
Precise stopwatch and timer with lap functionality
Display multiple timezone clocks simultaneously
Display comprehensive information about your device
Create and edit Mermaid diagrams with live preview
Generate customizable QR codes
Format and prettify SQL queries with syntax highlighting
Extract and analyze metadata from PNG files
Extract and analyze EXIF metadata from JPEG images
Paste a DNA or RNA sequence and run reverse-complement, translation, ORF finding, restriction site mapping, and full statistics in one place