What problems can be repaired?

Mismatched quotes, inconsistent delimiters, Windows/Mac line endings, non-UTF-8 encoding.

Is repair always successful?

Common issues are reliably fixed. Severely corrupted files may need manual intervention.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — the tool auto-detects the actual delimiter and converts to comma-separated.

Fix malformed CSV files — mismatched quotes, wrong delimiters, encoding errors. Securely process files in your browser memory

Your files never leave your device. Processed locally. 100% private.

Unlocking Tool Engine...

Continue working with our suite of free data utilities.

Mask or replace PII in CSV files. Replace names, emails, and phone numbers with anonymised values. The safest way to process

Extract data from CSV columns using regular expressions. Capture groups to new columns. Processed entirely in your browser fo

Remove duplicates, fix nulls, trim whitespace, and standardize formats in one pass. Fast, private, and secure browser-based t