What does JSON Null Count do that other Convert pages on this site do not?

Walks JSON counting nulls; also nodes and bytes. Short version: Count JSON nulls with nodes.

Does JSON Null Count upload my file or text to Tool-You servers?

No. JSON Null Count runs in this browser tab. Files stay on the device. Limit note: Invalid JSON fails.

Should I use JSON String Count instead of JSON Null Count?

Use JSON Null Count when you need Count JSON nulls with nodes. Use JSON String Count when you need Count string values in JSON. They share a category (Convert) but not the same job.

What are the limits of JSON Null Count?

Invalid JSON fails. Also: Walks JSON counting nulls; also nodes and bytes.

JSON Null Count

Count JSON nulls with nodes.

Walks JSON counting nulls; also nodes and bytes.

What JSON Null Count does

Walks JSON counting nulls; also nodes and bytes.

JSON Null Count sits in the Convert group on purpose. It is not JSON String Count (Count string values in JSON.) and not JSON Key Count (Count top-level JSON object keys.). Choose this page when you need Count JSON nulls with nodes. If you stretch JSON Null Count into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use JSON Null Count

Keep this tab on JSON Null Count (/convert/json-null-count). Pasting into the wrong Convert tool (for example JSON String Count) changes the job.
Paste or type the input JSON Null Count expects. Path hint: convert · json null count. Count JSON nulls with nodes.
Apply the JSON Null Count action only. JSON Key Count is a different transform (Count top-level JSON object keys.). Walks JSON counting nulls; also nodes and bytes.
Copy the output of JSON Null Count if you need it elsewhere. Size/complexity still follows: Invalid JSON fails.
If the text job is actually Count string values in JSON., leave JSON Null Count and open JSON String Count.

When not to use JSON Null Count

Skip JSON Null Count when a neighbor tool matches better — start with JSON String Count or JSON Key Count — or when the description already warns the job will fail. In the tool’s own words: Walks JSON counting nulls; also nodes and bytes.

Questions about JSON Null Count

What does JSON Null Count do that other Convert pages on this site do not?: Walks JSON counting nulls; also nodes and bytes. Short version: Count JSON nulls with nodes.
Does JSON Null Count upload my file or text to Tool-You servers?: No. JSON Null Count runs in this browser tab. Files stay on the device. Limit note: Invalid JSON fails.
Should I use JSON String Count instead of JSON Null Count?: Use JSON Null Count when you need Count JSON nulls with nodes. Use JSON String Count when you need Count string values in JSON. They share a category (Convert) but not the same job.
What are the limits of JSON Null Count?: Invalid JSON fails. Also: Walks JSON counting nulls; also nodes and bytes.