Secure Token Generator Online — Create a 256-Bit Hex Token
Generate a cryptographically secure 256-bit random hexadecimal token locally in your browser.
About this tool
This token generator uses crypto.getRandomValues to create 32 random bytes and represents them as a 64-character hexadecimal string suitable for development secrets and identifiers.
How to use
- Click Generate to create fresh random bytes.
- Copy the 64-character hexadecimal token.
- Store secrets in an appropriate secret manager and generate a new value for each use.
Features
- Creates 256 bits of browser-generated randomness.
- Outputs a portable lowercase hexadecimal string.
- Never sends the token to the server.
Common use cases
- Create development API tokens.
- Generate reset or verification secrets.
- Produce high-entropy test identifiers.
Common issues and tips
- A generated value is only secure if it is stored and transmitted safely.
- Do not reuse the same token across unrelated systems.
Privacy
Token generation runs locally in your browser. Generated values are not uploaded to Tools12345.
Frequently asked questions
How long is the token?
It is 32 random bytes represented by 64 hexadecimal characters.
Is it generated with Math.random?
No. It uses the browser cryptographic random-value API.
Does Tools12345 store tokens?
No. The generated token remains in the current browser page.