Does Query Keys List upload my file or text to Tool-You servers?

No. Query Keys List runs in this browser tab. Files stay on the device. Limit note: URL or query string.

Should I use Query Values List instead of Query Keys List?

Use Query Keys List when you need List URL query parameter keys. Use Query Values List when you need List URL query parameter values. They share a category (Convert) but not the same job.

Query Keys List

List URL query parameter keys.

Extracts decoded query keys one per line. Unlike Query Param Count this prints names. Bad URL fails.

What Query Keys List does

Extracts decoded query keys one per line. Unlike Query Param Count this prints names. Bad URL fails.

Query Keys List sits in the Convert group on purpose. It is not Query Values List (List URL query parameter values.) and not Query Param Count (Count URL query parameters.). Choose this page when you need List URL query parameter keys. If you stretch Query Keys List into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use Query Keys List

Keep this tab on Query Keys List (/convert/query-keys-list). Pasting into the wrong Convert tool (for example Query Values List) changes the job.
Paste or type the input Query Keys List expects. Path hint: convert · query keys list. List URL query parameter keys.
Apply the Query Keys List action only. Query Param Count is a different transform (Count URL query parameters.). Extracts decoded query keys one per line. Unlike Query Param Count this prints names. Bad URL fails.
Copy the output of Query Keys List if you need it elsewhere. Size/complexity still follows: URL or query string.
If the text job is actually List URL query parameter values., leave Query Keys List and open Query Values List.

When not to use Query Keys List

Skip Query Keys List when a neighbor tool matches better — start with Query Values List or Query Param Count — or when the description already warns the job will fail. In the tool’s own words: Extracts decoded query keys one per line. Unlike Query Param Count this prints names. Bad URL fails.

Questions about Query Keys List

What does Query Keys List do that other Convert pages on this site do not?: Extracts decoded query keys one per line. Unlike Query Param Count this prints names. Bad URL fails. Short version: List URL query parameter keys.
Does Query Keys List upload my file or text to Tool-You servers?: No. Query Keys List runs in this browser tab. Files stay on the device. Limit note: URL or query string.
Should I use Query Values List instead of Query Keys List?: Use Query Keys List when you need List URL query parameter keys. Use Query Values List when you need List URL query parameter values. They share a category (Convert) but not the same job.
What are the limits of Query Keys List?: URL or query string. Also: Extracts decoded query keys one per line. Unlike Query Param Count this prints names. Bad URL fails.