Does Random Base64 upload my file or text to Tool-You servers?

No. Random Base64 runs in this browser tab. Files stay on the device. Limit note: Bytes 1–64. Base64 output.

Should I use Random Hex instead of Random Base64?

Use Random Base64 when you need Random bytes as Base64. Use Random Hex when you need Cryptographic random hex; count and uppercase. They share a category (Crypto) but not the same job.

Random Base64

Random bytes as Base64.

Generates N cryptographically random bytes and Base64-encodes them. Unlike Random Hex this is Base64. Unlike Password Strength this is raw bytes, not a password score. Bytes 1–64.

What Random Base64 does

Generates N cryptographically random bytes and Base64-encodes them. Unlike Random Hex this is Base64. Unlike Password Strength this is raw bytes, not a password score. Bytes 1–64.

The interactive controls for Random Base64 load after this article so crawlers still read the instructions. Path /crypto/random-base64 is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for Random Base64.

How to use Random Base64

Keep this tab on Random Base64 (/crypto/random-base64). Pasting into the wrong Crypto tool (for example Random Hex) changes the job.
Paste or type the input Random Base64 expects. Path hint: crypto · random base64. Random bytes as Base64.
Apply the Random Base64 action only. Base64URL is a different transform (Base64URL with bytes.). Generates N cryptographically random bytes and Base64-encodes them. Unlike Random Hex this is Base64. Unlike Password Strength this is raw bytes, not a password score. Bytes 1–64.
Copy the output of Random Base64 if you need it elsewhere. Size/complexity still follows: Bytes 1–64. Base64 output.
If the text job is actually Cryptographic random hex; count and uppercase., leave Random Base64 and open Random Hex.

When not to use Random Base64

Skip Random Base64 when a neighbor tool matches better — start with Random Hex or Base64URL — or when the description already warns the job will fail. In the tool’s own words: Generates N cryptographically random bytes and Base64-encodes them. Unlike Random Hex this is Base64. Unlike Password Strength this is raw bytes, not a password score. Bytes 1–64.

Questions about Random Base64

What does Random Base64 do that other Crypto pages on this site do not?: Generates N cryptographically random bytes and Base64-encodes them. Unlike Random Hex this is Base64. Unlike Password Strength this is raw bytes, not a password score. Bytes 1–64. Short version: Random bytes as Base64.
Does Random Base64 upload my file or text to Tool-You servers?: No. Random Base64 runs in this browser tab. Files stay on the device. Limit note: Bytes 1–64. Base64 output.
Should I use Random Hex instead of Random Base64?: Use Random Base64 when you need Random bytes as Base64. Use Random Hex when you need Cryptographic random hex; count and uppercase. They share a category (Crypto) but not the same job.
What are the limits of Random Base64?: Bytes 1–64. Base64 output. Also: Generates N cryptographically random bytes and Base64-encodes them. Unlike Random Hex this is Base64. Unlike Password Strength this is raw bytes, not a password score. Bytes 1–64.