I will clean and standardize your excel or CSV data
Excel and Power Query for manufacturing planning and inventory
About this Gig
Messy Excel or CSV files slowing down your reporting or analysis?
I clean, standardize and organize tabular data so you receive a reliable file ready for your next step.
What I can do:
- Remove duplicates using agreed rules
- Handle missing or invalid values
- Standardize dates, numbers, text and categories
- Rename and organize columns
- Merge compatible files or worksheets
- Validate and transform data
- Export a clean Excel or CSV file
You receive the cleaned file and a short summary of the work completed. Reusable Python source code is included in Standard and Premium packages.
Please send a sample or describe the number of files, approximate row count, problems to fix and desired output. A redacted sample is enough for an initial scope check. For large files, APIs, dashboards or recurring automation, message me before ordering.
Technology:
Excel
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Google Sheets
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Python
My Portfolio
FAQ
What file types do you work with?
I work mainly with Excel and CSV files. If your data is structured in tabular format, I can usually clean, organize, and preprocess it using Python and pandas.
What is included in your data cleaning service?
I can remove duplicates, handle missing values, fix formatting issues, standardize columns, transform data, and prepare a clean output file ready for analysis or reporting.
Will I receive the Python source code?
Yes, source code is included in the Standard and Premium packages. The Basic package is focused on cleaned output files only.
Can you work with large or multiple files?
Yes, but please message me first if your project includes very large files or multiple datasets so I can confirm the scope, timeline, and best package.
Do you also provide automation or custom data workflows?
Basic data cleaning is covered in this gig. If you need custom automation, repeated workflows, or advanced processing, message me first and I will review the requirements.
Can you merge multiple Excel or CSV files?
Yes. I can combine compatible files or worksheets when they follow an agreed structure. Please send samples first so I can confirm the scope and the correct package.

