Are the generated tokens safe to use in production .env files?

Yes! All tokens are generated using the browser's native Web Crypto API (crypto.getRandomValues), providing cryptographically secure pseudo-randomness (CSPRNG) suitable for JWT signing keys, session tokens, and API credentials.

A ULID (Universally Unique Lexicographically Sortable Identifier) is a 26-character string encoded in Crockford's Base32. It is 128-bit compatible with UUIDs, but begins with a 48-bit timestamp making it sortable in time.

Dev Tools · Backend & Auth

Token & Secret Generator

Generate cryptographically strong API keys, Hex tokens, Base64URL secrets, NanoIDs, and JWT signing keys.

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Configuration

Byte Size (Output Length = Bytes × 2) 32 bytes (64 chars)

Bulk Batch Generator Count: 5

Quantity 5

Selecting the Right Token Format

Modern backends and microservices require diverse token formats depending on the transport layer and use case:

When should I use Hex vs Base64URL tokens?

Hex (Hexadecimal) is standard for HMAC keys and database secrets. Base64URL is URL-safe and compact, making it ideal for OAuth tokens, password reset links, and email verification tokens.

Why choose NanoID over UUID v4?

NanoID is smaller (21 characters vs 36 characters) and uses a URL-friendly 64-character alphabet, offering equivalent collision resistance with 40% fewer bytes.