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Tools/JSONL/JSONL to JSON

JSONL to JSON

One JSON value per line in, a JSON array out. This page selects JSONL → array. Pretty-printed multi-line JSON is not JSONL.

Same converter: all directions · JSON to JSONL

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How to use JSONL to JSON

  1. 1. Paste JSONL. Each line must be its own JSON value.
  2. 2. Copy the array. Direction is JSONL → JSON on this URL.
  3. 3. Fix the bad line. Errors include the line index when a row fails to parse.

About this tool

Log pipelines and BigQuery exports use JSONL. Front-end fixtures want an array. This alias is that conversion, distinct from “array to JSONL.”

NDJSON vs JSONL

Same idea: one value, one line. Empty lines are skipped. A pretty JSON file with newlines inside objects is not JSONL.

Code examples

JSONL

{"id":1}
{"id":2}

This is one direction of the shared converter. The editor is the same; the title and default direction match this search.

Frequently asked questions

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