CSV IMPORT TROUBLESHOOTING
Why Won't My CSV Import?
A CSV import usually fails because the file's actual structure, delimiter, encoding, or headers differ from the contract the receiving system expects.
Reviewed 18 August 2026Fix, clean, and convert CSV files.
Keep your data private.
Check errors, clean a file, or convert it — entirely in your browser.
Upload a CSV file to check it
Your data never leaves your browser
Drop a CSV file here
Choose a fileCSV, TSV or text · up to 50 MB
More CSV tools
One task at a time. Your selected file stays on this device.
Fix and clean
Split, merge, and convert
GUIDES & RESOURCES
Diagnose the file before changing it.
MULTILINE CSV FIELDS
Why CSV Rows Break Across Multiple Lines
A CSV record can legitimately occupy several physical lines when a quoted field contains a line break; rows break incorrectly when quote boundaries are missing or software splits raw lines instead of parsed records.
Reviewed 18 August 2026CSV AND EXCEL TYPES
Why Does Excel Remove Leading Zeros From CSV?
Excel removes leading zeros when it interprets digit-only CSV text as a number, even though postal codes, SKUs, account references, and phone fragments are identifiers.
Reviewed 18 August 2026