I will clean, merge and fix your messy excel or CSV files with python
Over deze dienst
Got a messy spreadsheet? Duplicates, names in three different capitalizations, dates in five formats, data split across ten files? Send it over and get back a clean, merged, ready-to-use Excel, plus (Standard and Premium) the Python script so you can re-run it next month for free.
What I fix:
- Duplicates and near-duplicates (case and space insensitive)
- Dates and numbers written in mixed formats ($1,200 vs 1200, 01/02/2024 vs 2024-02-01)
- Extra spaces, inconsistent capitalization, broken headers
- Multiple files or sheets merged into one workbook, with a summary sheet
- Custom rules: keep/drop columns, split or combine fields, validate emails/phones, flag suspicious rows
How it works:
- Send me the file(s) and describe the result you want (a sample of the ideal output helps).
- I confirm scope and price within a few hours.
- You get the clean file, a short note on what changed, and the script if included.
Why me: Systems & Computing Engineering student, hands-on with pandas and openpyxl, three portfolio projects on my profile. Clean commented code, quick replies, and I'm happy to run a free sample on a few rows before you order.
Not sure which package fits? Message me first, I answer fast.
Technologie:
Excel
•
Google Sheets
•
Python
•
vba
Mijn portfolio
Veelgestelde vragen
Do you work with Google Sheets or CSV, not just Excel?
Yes. Excel (.xlsx/.xls), CSV/TSV and Google Sheets exports all work. You get the output in the format you prefer.
Is my data safe?
Your files are used only for this order, never shared, and deleted after delivery on request.
Can you automate this so I don't need you every month?
That's exactly what the script in Standard and Premium is for: run it on the new files and get the same clean output. Premium includes a step-by-step setup guide.

