ViewCSV
Validate every UTF-8 JSONL record. Invalid or blank lines appear in the issue table; valid records become CSV without rounding large IDs.
JSONL to CSV and validator
Validate every UTF-8 JSONL record. Invalid or blank lines appear in the issue table; valid records become CSV without rounding large IDs.
Schema / field coverage
UTF-8 .jsonl / .ndjson 1 JSON value / line
Result
Local processing. Up to 20 files, 25 MiB total, 100,000 rows and 250 columns per table; 2 million cells per batch.
CSV protects formula-like text with an apostrophe. ZIP includes all original imported tables; column selection and masking apply only to the current table and its actions.