Developer Tools
Everyday utilities for developers, entirely in your browser.
Available Utilities
UUID Generator
Generate random UUID v4 identifiers instantly.
UUID Validator
Validate any UUID and inspect its version and variant instantly.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text, Unicode-safe.
URL Encoder / Decoder
Percent-encode or decode text for safe use in URLs and query strings.
Hex Converter
Convert text to hexadecimal and hex back to text, UTF-8 safe.
Hash Generator
Generate MD5, SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 digests of any text at once.
Password Generator
Generate strong random passwords with your own length and character rules, and see their entropy.
ULID Generator
Generate sortable, time-ordered ULID identifiers, with optional monotonic mode.
Timestamp Converter
Convert between Unix timestamps and human-readable dates, in your local timezone and UTC.