csv
CSV Cleaner
Sanitize, trim whitespace, deduplicate rows, normalize headers, and clean raw CSV files instantly.
Drop your file here, or browse
Supports .csv, text/csv (Up to 50MB)
Use Cases & Examples
Clean Messy Customer List
Upload a raw CSV with leading whitespace and duplicate rows to produce a pristine CSV file.
Normalize CSV Field Headers
Automatically trim and standardize header row names into clean snake_case identifiers.
Frequently Asked Questions
No. The CSV processing runs 100% locally inside your browser using fast client-side algorithms.
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