What does Random Hex do that other Crypto pages on this site do not?

1–64 bytes, up to 20 lines. Optional uppercase. Short version: Cryptographic random hex; count and uppercase.

Does Random Hex upload my file or text to Tool-You servers?

No. Random Hex runs in this browser tab. Files stay on the device. Limit note: Bytes 1–64. Count 1–20. Uses Web Crypto getRandomValues.

Should I use UUID Generator instead of Random Hex?

Use Random Hex when you need Cryptographic random hex; count and uppercase. Use UUID Generator when you need Generate UUID v4 or v7 in your browser. They share a category (Crypto) but not the same job.

What are the limits of Random Hex?

Bytes 1–64. Count 1–20. Uses Web Crypto getRandomValues. Also: 1–64 bytes, up to 20 lines. Optional uppercase.

Random Hex

Cryptographic random hex; count and uppercase.

1–64 bytes, up to 20 lines. Optional uppercase.

What Random Hex does

1–64 bytes, up to 20 lines. Optional uppercase.

The interactive controls for Random Hex load after this article so crawlers still read the instructions. Path /crypto/random-hex is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for Random Hex.

How to use Random Hex

Keep this tab on Random Hex (/crypto/random-hex). Pasting into the wrong Crypto tool (for example UUID Generator) changes the job.
Paste or type the input Random Hex expects. Path hint: crypto · random hex. Cryptographic random hex; count and uppercase.
Apply the Random Hex action only. Password Generator is a different transform (Create one or many random passwords on this device.). 1–64 bytes, up to 20 lines. Optional uppercase.
Copy the output of Random Hex if you need it elsewhere. Size/complexity still follows: Bytes 1–64. Count 1–20. Uses Web Crypto getRandomValues.
If the text job is actually Generate UUID v4 or v7 in your browser., leave Random Hex and open UUID Generator.

When not to use Random Hex

Skip Random Hex when a neighbor tool matches better — start with UUID Generator or Password Generator — or when the description already warns the job will fail. In the tool’s own words: 1–64 bytes, up to 20 lines. Optional uppercase.

Questions about Random Hex

What does Random Hex do that other Crypto pages on this site do not?: 1–64 bytes, up to 20 lines. Optional uppercase. Short version: Cryptographic random hex; count and uppercase.
Does Random Hex upload my file or text to Tool-You servers?: No. Random Hex runs in this browser tab. Files stay on the device. Limit note: Bytes 1–64. Count 1–20. Uses Web Crypto getRandomValues.
Should I use UUID Generator instead of Random Hex?: Use Random Hex when you need Cryptographic random hex; count and uppercase. Use UUID Generator when you need Generate UUID v4 or v7 in your browser. They share a category (Crypto) but not the same job.
What are the limits of Random Hex?: Bytes 1–64. Count 1–20. Uses Web Crypto getRandomValues. Also: 1–64 bytes, up to 20 lines. Optional uppercase.