Generate OTP codes — numeric, alphabetic, or hex — in batches of your chosen length. Make verification codes fast — free, local, no signup.
Content reviewed October 2026 · About Toolzum
Generate random strings in alphanumeric, alphabetic, numeric, hex, or UUID formats. Mint references and IDs fast — free, local, no signup.
Generate WiFi QR codes guests scan to join — no password dictation. Put one on the fridge for visitors — free, local, no signup.
Generate random hex, RGB, and HSL colors for palettes and placeholders. Find happy accidents fast — free, local, no signup.
Generate random MAC addresses for labs and testing — pure random hex, no OUI or unicast-bit management. Fill virtual networks credibly — local generation, free, 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.
Your choice of 4–8 characters — 6-digit numeric for verifications, 8-digit hex for stronger one-time tokens.
Numeric digits, alphanumeric, or hex (0–9, A–F). Leading zeros are preserved as text.
Up to 20 codes per batch. Copy singly or download the whole set as text.
No — codes generate locally in your browser. Nothing leaves your device.
10^6 (1,000,000) — 10 digits across 6 positions, leading zeros preserved. Lengths run 4-8, batches 1-20 per run, and results display grouped every 3 characters for readability.