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

Swaps high/low nibble of each hex byte and reports byte count. Short version: Swap nibbles per byte; byte count.

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

No. Nibble Swap Hex runs in this browser tab. Files stay on the device. Limit note: Even-length hex only.

Should I use Reverse Hex instead of Nibble Swap Hex?

Use Nibble Swap Hex when you need Swap nibbles per byte; byte count. Use Reverse Hex when you need Reverse hex byte order; byte count. They share a category (Crypto) but not the same job.

What are the limits of Nibble Swap Hex?

Even-length hex only. Also: Swaps high/low nibble of each hex byte and reports byte count.

Nibble Swap Hex

Swap nibbles per byte; byte count.

Swaps high/low nibble of each hex byte and reports byte count.

What Nibble Swap Hex does

Swaps high/low nibble of each hex byte and reports byte count.

Nibble Swap Hex sits in the Crypto group on purpose. It is not Reverse Hex (Reverse hex byte order; byte count.) and not XOR Hex (Bytewise XOR of two hex strings; optional uppercase.). Choose this page when you need Swap nibbles per byte; byte count. If you stretch Nibble Swap Hex into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use Nibble Swap Hex

Keep this tab on Nibble Swap Hex (/crypto/nibble-swap-hex). Pasting into the wrong Crypto tool (for example Reverse Hex) changes the job.
Paste or type the input Nibble Swap Hex expects. Path hint: crypto · nibble swap hex. Swap nibbles per byte; byte count.
Apply the Nibble Swap Hex action only. XOR Hex is a different transform (Bytewise XOR of two hex strings; optional uppercase.). Swaps high/low nibble of each hex byte and reports byte count.
Copy the output of Nibble Swap Hex if you need it elsewhere. Size/complexity still follows: Even-length hex only.
If the text job is actually Reverse hex byte order; byte count., leave Nibble Swap Hex and open Reverse Hex.

When not to use Nibble Swap Hex

Skip Nibble Swap Hex when a neighbor tool matches better — start with Reverse Hex or XOR Hex — or when the description already warns the job will fail. In the tool’s own words: Swaps high/low nibble of each hex byte and reports byte count.

Questions about Nibble Swap Hex

What does Nibble Swap Hex do that other Crypto pages on this site do not?: Swaps high/low nibble of each hex byte and reports byte count. Short version: Swap nibbles per byte; byte count.
Does Nibble Swap Hex upload my file or text to Tool-You servers?: No. Nibble Swap Hex runs in this browser tab. Files stay on the device. Limit note: Even-length hex only.
Should I use Reverse Hex instead of Nibble Swap Hex?: Use Nibble Swap Hex when you need Swap nibbles per byte; byte count. Use Reverse Hex when you need Reverse hex byte order; byte count. They share a category (Crypto) but not the same job.
What are the limits of Nibble Swap Hex?: Even-length hex only. Also: Swaps high/low nibble of each hex byte and reports byte count.