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csv●cleaner
Clean CSV Online
Normalize chaos. Import with confidence.
Auto-detect delimiter, trim cells, remove empty rows, normalize columns.
Client-side processing
No data leaves your browser.
Preview Table
Quick guide
CSV files from CRMs and spreadsheets often fail imports because delimiters vary and rows are inconsistent...
Real example
Input: name; age
Alice ; 30
Bob;20
Output: name;age
Alice;30
Bob;20
FAQ
How does delimiter detection work?
The tool inspects early rows and selects the most frequent delimiter.
Does it remove blank lines?
Yes, empty rows are removed automatically.
Why normalize columns?
Uniform columns prevent import failures.
Pipeline
- Cleaner → normalize
- Deduplicator → remove duplicates
- Splitter → chunk large files
Learn more
- Common JSON Errors Debugging mindset that applies here too.
Privacy
All processing happens locally in your browser. No uploads, no tracking.