I will clean and deduplicate your excel or CSV data
About this Gig
I will clean, organize, and deduplicate messy Excel or CSV data so you receive a structured, usable file that can be checked against the original.
I can help with:
Duplicate detection and removal
Excel and CSV data cleanup
Data formatting and normalization
Missing or inconsistent values
Combining and reconciling multiple files
Organizing columns, records, and datasets
Python-assisted processing for larger or repetitive tasks
I take a careful approach to data quality. When a record is ambiguous or conflicting, I can flag it for review rather than silently guessing or overwriting the data.
What you receive:
A clean Excel or CSV file, with the original data preserved where appropriate and the requested corrections clearly applied.
For larger or unusual datasets, message me with a sample and your desired output before ordering.
English & Spanish.
My Portfolio
FAQ
What files can you work with?
I primarily work with Excel (.xlsx) and CSV files. If your data is in another format, message me before ordering and I can confirm whether I can process it.
Can you remove duplicate records?
Yes. I can identify and remove exact duplicates and, when appropriate, detect likely duplicates using multiple fields. Ambiguous matches can be flagged for review rather than automatically deleted.
Can you clean larger datasets?
Yes. I use Python when appropriate to process larger or repetitive datasets efficiently. Send me a sample or row count before ordering if your dataset is larger than the package limits
Will you change or guess missing information?
No. I won’t silently invent missing values. If data is ambiguous, inconsistent, or cannot be reliably reconciled, I can flag those records for your review.

