I will clean, deduplicate and format your messy excel and csv data
Data Cleaning Expert in Excel CSV using Python, Pandas and Automation
About this Gig
Turn Messy Excel & CSV Data Into Clean, Standardized Data Fast
At Fewrio, we specialize in professional data cleaning and data formatting services for businesses and individuals managing spreadsheets, reports, and datasets. Whether it's a messy Excel file or an inconsistent CSV export, we turn it into clean, accurate, ready-to-use data.
Using Python, Pandas, and Regex, our data cleaning service handles:
- Duplicate removal exact & fuzzy duplicate detection
- Missing data handling identifying incomplete records
- Email & phone validation/formatting
- Date format standardization
- Text & name normalization
- Column structure cleanup & formatting
Every order includes a manual quality review plus a detailed change log, so you know exactly what was cleaned and corrected in your file.
Have a large or complex file to clean? Message us before ordering we'll review your dataset and recommend the best data cleaning package for you.
FAQ
What file formats do you accept?
Excel (.xlsx, .xlsm), CSV, TSV, and other tabular formats. We return in your original format
What if my dates are in weird formats?
That's our specialty. We standardize them to YYYY-MM-DD and flag any ambiguous dates for your confirmation.
Do you remove duplicates or just flag them?
Both. We remove exact duplicates automatically, and flag fuzzy matches for you to review
Can you handle large files?
Yes. Standard handles up to 5,000 rows. Premium handles up to 20,000 rows. Larger files available as add-ons.
How do I know the data is clean?
We provide a detailed change log showing every modification.

