Does NDJSON Row Count upload my file or text to Tool-You servers?

No. NDJSON Row Count runs in this browser tab. Files stay on the device. Limit note: NDJSON text.

Should I use NDJSON to JSON instead of NDJSON Row Count?

Use NDJSON Row Count when you need Count valid NDJSON rows. Use NDJSON to JSON when you need Turn JSON Lines into a JSON array. They share a category (Convert) but not the same job.

NDJSON Row Count

Count valid NDJSON rows.

Counts non-empty lines that each parse as JSON. Unlike CSV Row Count this requires JSON lines. Bad line fails.

What NDJSON Row Count does

Counts non-empty lines that each parse as JSON. Unlike CSV Row Count this requires JSON lines. Bad line fails.

The interactive controls for NDJSON Row Count load after this article so crawlers still read the instructions. Path /convert/ndjson-row-count is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for NDJSON Row Count.

How to use NDJSON Row Count

Keep this tab on NDJSON Row Count (/convert/ndjson-row-count). Pasting into the wrong Convert tool (for example NDJSON to JSON) changes the job.
Paste or type the input NDJSON Row Count expects. Path hint: convert · ndjson row count. Count valid NDJSON rows.
Apply the NDJSON Row Count action only. JSON to NDJSON is a different transform (Write a JSON array as one value per line.). Counts non-empty lines that each parse as JSON. Unlike CSV Row Count this requires JSON lines. Bad line fails.
Copy the output of NDJSON Row Count if you need it elsewhere. Size/complexity still follows: NDJSON text.
If the text job is actually Turn JSON Lines into a JSON array., leave NDJSON Row Count and open NDJSON to JSON.

When not to use NDJSON Row Count

Skip NDJSON Row Count when a neighbor tool matches better — start with NDJSON to JSON or JSON to NDJSON — or when the description already warns the job will fail. In the tool’s own words: Counts non-empty lines that each parse as JSON. Unlike CSV Row Count this requires JSON lines. Bad line fails.

Questions about NDJSON Row Count

What does NDJSON Row Count do that other Convert pages on this site do not?: Counts non-empty lines that each parse as JSON. Unlike CSV Row Count this requires JSON lines. Bad line fails. Short version: Count valid NDJSON rows.
Does NDJSON Row Count upload my file or text to Tool-You servers?: No. NDJSON Row Count runs in this browser tab. Files stay on the device. Limit note: NDJSON text.
Should I use NDJSON to JSON instead of NDJSON Row Count?: Use NDJSON Row Count when you need Count valid NDJSON rows. Use NDJSON to JSON when you need Turn JSON Lines into a JSON array. They share a category (Convert) but not the same job.
What are the limits of NDJSON Row Count?: NDJSON text. Also: Counts non-empty lines that each parse as JSON. Unlike CSV Row Count this requires JSON lines. Bad line fails.