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$
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I will write a python script to clean, merge and convert excel or csv files
Justin Koontz
About this gig
Copying the same columns between spreadsheets every week? Send me the messy files. I write a small Python script that cleans them, merges them and saves one tidy Excel or CSV, and you can run it again any time with one click.
WHAT I AUTOMATE
Merging exports: Shopify, Square, QuickBooks, bank or POS CSVs into one sheet
Cleaning: duplicates, dates, totals, inconsistent names
PDF tables (statements, invoices, reports) into Excel
Weekly or monthly summary tabs with charts
HOW IT WORKS
1) Send 2-3 sample files (fake or redacted numbers are fine) and the report you want at the end.
2) I build it in Python and test it on your samples.
3) You get the finished .xlsx, the script and plain-English run instructions. No coding needed on your side.
I automate my own store and finance reports the same way. Scripts run on Windows or Mac with free tools, and your files stay on your own computer.
Not sure which package fits? Message me a sample file first.
Get to know Justin Koontz
Justin Koontz
Shopify, Excel and Python Automation Specialist
- FromUnited States
- Member sinceOct 2026
Languages
English
I fix and build the practical stuff small businesses get stuck on, and I deliver fast. Shopify: store setup, theme fixes, product imports, apps and channel setup. Excel and Google Sheets: formulas, dashboards, cleanup and Apps Script automations. Python: scripts that clean, merge and convert data or pull it from APIs. I recently built and launched my own 20-product Shopify brand end to end. Before that I spent 8 years as a precision CNC machinist, so I confirm scope up front, test before delivery and hit deadlines.
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FAQ
I've never used Python. Can I still run the script?
Yes. You get step-by-step setup instructions, and the Standard and Premium packages include install help. Simple jobs can also be delivered as finished files, so there's nothing to run.
