FREE / BROWSER TOOL
CSV Check
Find structural issues before your next import.
Use non-sensitive product or business data. CSV contents stay in this page’s memory: no upload, account, or saved history. Keep patient records and credentials out.
1. Choose Your Input
Up to 1 MB, 10,000 data records and 200 columns. Comma-separated, with headings in the first record.
Match its spelling exactly. Repeated identifiers can be valid variants; each is a review candidate.
2. Review Findings
- Data Records
- 6
- Columns
- 3
- Findings
- 9
Record 1 contains headings. A quoted field with line breaks still belongs to one record. “—” means the whole record or file.
| Finding | Record | Column |
|---|---|---|
| Keep leading zeros in identifier | 2 | 1 |
| Exact duplicate record — reviewSee record 2 | 3 | — |
| Repeated identifier — reviewSee record 2 | 3 | 1 |
| Keep leading zeros in identifier | 3 | 1 |
| Keep leading zeros in identifier | 4 | 1 |
| Formula-like prefix — review | 5 | 2 |
| Keep leading zeros in identifier | 5 | 1 |
| Unexpected number of columns | 6 | — |
| Missing identifier | 7 | 1 |
Checks syntax, headings, column counts, exact duplicate candidates and formula-like prefixes. It does not edit your file or certify it for import. Negative numbers may trigger prefix review.
Need Help With The Next Step?
Our catalog cleanup service reviews product copy against your approved sources.