Secure Token Generator
Generate cryptographically random tokens in Hex, Base64, Base64URL, or Base62 for sessions, CSRF tokens, and reset links.
Number of random bytes to generate (8-128), default 32
Generated Token
How to Use the Secure Token Generator
Choose how many random bytes you want (16-64 is typical, 32 is a strong default) and pick an encoding format — Hex, Base64, Base64URL, or Base62 alphanumeric. The tool uses your browser's built-in crypto.getRandomValues to generate cryptographically strong random bytes locally, then encodes them into the format you chose. Nothing is sent to a server — the token exists only in your browser until you copy it.
Example
Generating 32 random bytes and encoding them as Hex produces a 64-character string like 9f2a1c7e4b3d8f0a6e5c2b1d9a8f7e6c5b4a3d2e1f0c9b8a7d6e5f4c3b2a1d0e. Switching the format to Base64URL for the same byte count instead produces a shorter, URL-safe string.
Common Use Cases
- Generating session tokens or CSRF tokens for a web application.
- Creating one-time password-reset or email-verification link tokens.
- Producing random secrets for signing cookies, JWTs, or environment variables.
FAQs
- How is this different from the API Key Generator? The API Key Generator produces prefixed, API-key-shaped strings (like
sk_live_...) meant specifically to look and function like an API auth key. This Secure Token Generator produces a raw, unprefixed random token with no built-in structure — better suited for general-purpose uses like session tokens, CSRF tokens, or password-reset links where you don't need a recognizable prefix. - Which encoding format should I use? Hex is the most universally compatible and easiest to read. Base64 packs more entropy per character but includes symbols like
+and/that aren't always URL-safe. Base64URL fixes that for use in URLs. Base62 uses only letters and digits, which is convenient when a system doesn't allow any special characters at all. - Is Base62 encoding perfectly uniform? It's a simple modulo mapping of each random byte onto a 62-character alphabet, which introduces a very slight statistical bias since 256 isn't evenly divisible by 62. For this tool's purpose — generating usable random tokens — that tiny bias is not a practical concern.