OTP Generator
Generate OTP codes — numeric, alphabetic, or hex — in batches of your chosen length. Make verification codes fast — free, local, no signup.
How to Use the OTP Generator
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Frequently Asked Questions
How long are the codes?
Your choice of 4–8 characters — 6-digit numeric for verifications, 8-digit hex for stronger one-time tokens.
Which types?
Numeric digits, alphanumeric, or hex (0–9, A–F). Leading zeros are preserved as text.
How many at once?
Up to 20 codes per batch. Copy singly or download the whole set as text.
Are codes uploaded?
No — codes generate locally in your browser. Nothing leaves your device.
How many possible codes does a 6-digit numeric OTP have?
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.
Last updated October 2026