JSONL Line Validator

Check each nonblank JSON Lines record independently, keep original line numbers, filter invalid records, and copy a concise validation report.

JSON UTILITIES · PRIVATE BROWSER WORKSPACE

Check every record on its own line.

Check each nonblank JSON Lines record independently, keep original line numbers, filter invalid records, and copy a concise validation report.

RECORD STREAM

Blank lines are ignored; each remaining line must contain exactly one JSON value.

VALID RECORDS3

INVALID RECORDS1

IGNORED BLANKS1

LINEJSON RECORDDIAGNOSIS

001{"id":1,"name":"Ada"}✓ Valid JSON

002{"id":2,"name":"Grace"}✓ Valid JSON

003{bad-json}Expected property name or '}' in JSON at position 1 (line 1 column 2)

004(empty line)Ignored blank

005{"active":true}✓ Valid JSON

PLAIN TEXT SUMMARY · LEGACY COMPATIBLE

Valid lines: 3
Invalid lines: 1
Errors: line 3

Private by design · Input is processed in this browser. Check output against your project requirements before shipping.

Need a feature from the original version? Open the current ECECH tool

Check each nonblank JSON Lines record independently, keep original line numbers, filter invalid records, and copy a concise validation report.