Generate an MD5 hash of the given input string.

Generate a SHA-1 hash of the given input string.

Generate a SHA-256 hash of the given input string.

Generate a SHA-512 hash of the given input string.

Generate a bcrypt hash of the given input string. Useful for password hashing.

Verify a string against a bcrypt hash. Returns true if matches.

Encode a string to Base64.

Decode a Base64 string back to plain text.

URL-encode a string (percent-encoding).

Decode a URL-encoded string.

Encode special characters in a string to HTML entities.

Decode HTML entities in a string back to their original characters.

Encode a string to its hexadecimal representation.

Decode a hexadecimal string back to plain text.

Generate a cryptographically secure UUID v4.

Generate a NanoID — a compact, URL-friendly unique ID.

Generate a secure random password with configurable options.

Generate a random hexadecimal string of the specified byte length.

Decode a JWT (JSON Web Token) and display its header and payload without verifying the signature. Useful for debugging and inspecting tokens.

Validate the structure of a JWT. Checks format, Base64URL encoding, JSON validity, and expiration status. Does NOT verify the cryptographic signature.

Format (pretty-print) a JSON string with configurable indentation. Can also minify JSON.

Validate a JSON string and report any parsing errors with their approximate location.

Extract a value from a JSON object using a dot-notation path (e.g., 'user.address.city' or 'items[0].name').

Convert a Unix timestamp (seconds or milliseconds) to a human-readable ISO 8601 date string.

Convert a date string to a Unix timestamp. Accepts ISO 8601 and common date formats.

Convert a number between different bases (binary, octal, decimal, hexadecimal, or any base 2-36).

Convert colors between HEX, RGB, and HSL formats.

Convert between byte units (B, KB, MB, GB, TB, PB). Supports both binary (1024) and SI (1000) standards.

Calculate network details from a CIDR notation (e.g., '192.168.1.0/24'). Returns network address, broadcast, host range, and host count.

Validate and classify an IPv4 or IPv6 address. Returns type, class, scope, and whether it's private/loopback/multicast.

Analyze text and return detailed statistics: character count, word count, line count, sentence count, paragraph count, and reading time.

Generate Lorem Ipsum placeholder text.

Convert a string between different casing styles: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, and more.

Convert a string to a URL-friendly slug. Removes special characters, replaces spaces with hyphens, and lowercases everything.

Test a regular expression pattern against an input string. Returns all matches with groups and indices.

Compare two strings and show a simple line-by-line diff. Lines prefixed with '+' are additions, '-' are deletions, ' ' are unchanged.