I will do python data cleaning formatting and fix csv excel errors

China

I speak English, Chinese

Data Automation LLM Integration Specialist

I am a Python Developer specializing in Business Data Automation, LLM Integration, and Custom Backends. I turn messy datasets and repetitive tasks into automated, scalable workflows. What I Deliver: ...
About this Gig

Struggling with messy data, broken Excel sheets, or corrupted CSV files? Let a Python data specialist fix it in hours! I will clean, format, and structure your dataset perfectly.


WHAT I CAN DO:

- Fix CSV & Excel Errors: Repair broken encodings (乱码) and convert scientific notations (like 4.5E+17) back to standard text/order IDs without data loss.

- Data Cleaning & Formatting: Remove duplicates, handle missing values, standardize date/phone formats, split columns, and clear trailing whitespaces.

- Data Transformation: Merge, split, or convert files seamlessly between CSV, Excel, JSON, and TXT.

- Custom Python Automation: Create efficient, reusable cleaning scripts for repetitive tasks (Premium).


WHY CHOOSE ME?

- Lightning Fast: Highly responsive, often delivering within just a few hours.

- 100% Accuracy: Driven by Python automationzero manual copy-paste errors.

- Strict Privacy: Your files are confidential and deleted immediately after delivery.


NOTE: Please message me first if you have custom requirements or huge datasets. Let's fix your data right now!

Technology:

Excel

Google Sheets

Python

VBA

Expertise:

Data extraction

Data manipulation

Data validation

ETL