What does Root Domain do that other Network pages on this site do not?

Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root. Short version: Registrable root, TLD, and label count.

Does Root Domain upload my file or text to Tool-You servers?

No. Root Domain runs in this browser tab. Files stay on the device. Limit note: Simple split — not public-suffix aware.

Should I use URL Hostname instead of Root Domain?

Use Root Domain when you need Registrable root, TLD, and label count. Use URL Hostname when you need Extract host and port. They share a category (Network) but not the same job.

What are the limits of Root Domain?

Simple split — not public-suffix aware. Also: Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.

Root Domain

Registrable root, TLD, and label count.

Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.

What Root Domain does

Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.

This URL is only for Root Domain (network · root domain). Registrable root, TLD, and label count. Other Network tools on Tool-You look similar in the chrome, so the job definition below is the part that belongs to Root Domain alone: Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.

How to use Root Domain

Keep this tab on Root Domain (/network/root-domain). Pasting into the wrong Network tool (for example URL Hostname) changes the job.
Paste or type the input Root Domain expects. Path hint: network · root domain. Registrable root, TLD, and label count.
Apply the Root Domain action only. Parse URL is a different transform (Split a URL into host, path, query, and more.). Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.
Copy the output of Root Domain if you need it elsewhere. Size/complexity still follows: Simple split — not public-suffix aware.
If the text job is actually Extract host and port., leave Root Domain and open URL Hostname.

When not to use Root Domain

Skip Root Domain when a neighbor tool matches better — start with URL Hostname or Parse URL — or when the description already warns the job will fail. In the tool’s own words: Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.

Questions about Root Domain

What does Root Domain do that other Network pages on this site do not?: Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root. Short version: Registrable root, TLD, and label count.
Does Root Domain upload my file or text to Tool-You servers?: No. Root Domain runs in this browser tab. Files stay on the device. Limit note: Simple split — not public-suffix aware.
Should I use URL Hostname instead of Root Domain?: Use Root Domain when you need Registrable root, TLD, and label count. Use URL Hostname when you need Extract host and port. They share a category (Network) but not the same job.
What are the limits of Root Domain?: Simple split — not public-suffix aware. Also: Last two labels as root, last label as TLD, and total label count. IP/localhost echo as root.