Does Is IPv4 upload my file or text to Tool-You servers?

No. Is IPv4 runs in this browser tab. Files stay on the device. Limit note: Dotted IPv4. Bad → ok 0.

Should I use IPv4 Integer instead of Is IPv4?

Use Is IPv4 when you need Validate a dotted IPv4 address. Use IPv4 Integer when you need Convert IPv4 ↔ integer (decimal or hex). They share a category (Network) but not the same job.

Is IPv4

Validate a dotted IPv4 address.

Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0.

What Is IPv4 does

Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0.

Practical limit for Is IPv4: Dotted IPv4. Bad → ok 0. That is why output can differ from heavy desktop Network software. Read the tool-specific note again: Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0.

How to use Is IPv4

Keep this tab on Is IPv4 (/network/is-ipv4). Pasting into the wrong Network tool (for example IPv4 Integer) changes the job.
Paste or type the input Is IPv4 expects. Path hint: network · is ipv4. Validate a dotted IPv4 address.
Apply the Is IPv4 action only. Private IPv4 is a different transform (RFC1918, loopback, or link-local flag.). Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0.
Copy the output of Is IPv4 if you need it elsewhere. Size/complexity still follows: Dotted IPv4. Bad → ok 0.
If the text job is actually Convert IPv4 ↔ integer (decimal or hex)., leave Is IPv4 and open IPv4 Integer.

When not to use Is IPv4

Skip Is IPv4 when a neighbor tool matches better — start with IPv4 Integer or Private IPv4 — or when the description already warns the job will fail. In the tool’s own words: Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0.

Questions about Is IPv4

What does Is IPv4 do that other Network pages on this site do not?: Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0. Short version: Validate a dotted IPv4 address.
Does Is IPv4 upload my file or text to Tool-You servers?: No. Is IPv4 runs in this browser tab. Files stay on the device. Limit note: Dotted IPv4. Bad → ok 0.
Should I use IPv4 Integer instead of Is IPv4?: Use Is IPv4 when you need Validate a dotted IPv4 address. Use IPv4 Integer when you need Convert IPv4 ↔ integer (decimal or hex). They share a category (Network) but not the same job.
What are the limits of Is IPv4?: Dotted IPv4. Bad → ok 0. Also: Returns 1 and integer form for a dotted IPv4. Unlike IPv4 Integer this validates first. Unlike Private IPv4 this is not a private-range check. Bad IPv4 returns 0.