Developer Tools
Free online tools for developers: UUID generator, password generator, MD5 and SHA-256 hashes, base converter. No sign-up.
Essential utilities for programmers and developers. Generate UUIDs and secure passwords, calculate MD5 and SHA-256 hashes, or convert numbers between binary, octal, decimal and hexadecimal systems. Everything runs in your browser, with no data sent to servers.
💻 Developers (5)
UUID Generator
Generate unique UUID v4 quickly and for free. Copy one or many UUIDs with a single click.
Password Generator
Generate secure and random passwords instantly. Choose the length and character types you prefer.
MD5 Generator
Generate the MD5 hash of any text or string, in lowercase and uppercase, to verify data integrity.
Base Converter
Convert numbers between binary, octal, decimal and hexadecimal instantly. Ideal for programmers and students.
SHA-256 Hash Generator
Generate the SHA-256 hash of any text or string. Verify data integrity quickly and securely.
Who they are for
They are designed for software developers, computer science students, system administrators and anyone who needs to generate identifiers, passwords or hashes quickly.
Problems they solve
Generating unique identifiers for databases, creating robust passwords, verifying file integrity using hashes or converting numbers between number bases are common daily development tasks.
Privacy
UUID and password generation uses the browser randomness API, which is cryptographically secure. Hashes are computed locally. Nothing is sent to any server.