Generate random strings in alphanumeric, alphabetic, numeric, hex, or UUID formats. Mint references and IDs fast — free, local, no signup.
Generate OTP codes — numeric, alphabetic, or hex — in batches of your chosen length. Make verification codes fast — free, local, no signup.
Generate random hex, RGB, and HSL colors for palettes and placeholders. Find happy accidents fast — free, local, no signup.
Generate available-style usernames with adjectives, nouns, and numbers. Find handles that stick — free, local, no signup.
Generate random tokens in hex, base64, or alphanumeric formats for secrets and sessions. Hex and base64 draw from Web Crypto (alphanumeric uses Math.random — see format notes). The API-key preset mints 64-char secrets in one click — local generation, free, no signup.
Generates UUID v4 random identifiers in standard 36-character string format with an optional compact hex mode (no dashes). Code never leaves your device — formatting and validation run locally in your browser.
UUID v4 for unique IDs (crypto-random); other alphabets use browser randomness — never use them as security secrets.
16 chars for references, 32+ for tokens. Length beats complexity for machine-read values.
One string per click — regenerate for more. Copy or download each result for fixtures and seeds.
No — generation runs locally in your browser. Strings never leave your device.
Pick the UUID charset for a crypto-randomUUID v4; the API Key preset mints 32 alphanumeric chars instead. Length runs 1-1,000 with quick-pick buttons at 4, 8, 12, 16, 32, and 64.
Password Generator
Generates cryptographically strong random passwords with fully customizable length and character sets, plus memorable passphrases. Input never leaves your device — everything runs locally in your browser.
ULID Generator
Generate time-ordered ULID identifiers with Crockford base32 encoding. Input never leaves your device — everything runs locally in your browser.
Last updated October 2026