Launch offer: save ten percent on your first order.

I will clean, format, and organize your messy excel or CSV data using Python

Simple File Fix

...

Perfect for small files. I will fix formatting, remove duplicates, and standardize one column.

Delivery Time
1 Day
Package Includes: see all
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Service details

Professional Data Cleaning, Preprocessing, and Feature Engineering


Are you struggling with messy, inconsistent, or "dirty" data that is slowing down your business? In 2026, the quality of your data is the single most important factor in making accurate decisions and fueling AI breakthroughs. Whether you are a business owner, a researcher, or a student, I am here to turn your raw, unorganized datasets into clean, actionable assets.

Why Choose Python Over Manual Excel Work? Most people try to clean data manually, which is time-consuming and prone to human error. I use professional Python libraries like Pandas and NumPy to automate the cleaning process. This ensures 100% accuracy, consistency, and the ability to handle large datasets (millions of rows) that standard spreadsheets simply cannot process.

What My Service Includes:

  • Comprehensive Data Scrubbing: I will remove duplicate entries, fix structural errors like typos or bad syntax, and eliminate irrelevant observations that clog your systems.
  • Advanced Standardisation: I will unify inconsistent formats, such as dates (e.g., converting everything to YYYY-MM-DD), currency symbols, and naming conventions so your data "speaks the same language".
  • Intelligent Handling of Missing Values: Instead of just deleting rows, I use strategic imputation methods to fill in missing information accurately.
  • Feature Engineering & Normalisation: I can create new, meaningful features from raw variables to boost your machine learning model’s performance.
  • Final Validation: Every dataset undergoes a final audit to ensure absolute validity and readiness for your specific business rules.

My Process:

  1. Audit: I inspect your "ingredients" to see what is missing or duplicated.
  2. Execution: I run custom Python scripts to fix, clean, and format the data.
  3. Verification: I double-check the results against your requirements.
  4. Delivery: You receive a clean CSV, Excel, or JSON file, ready for immediate use.

Ready to elevate your data? Click the "Order Now" button and let's get started on your project today!

Key details

  • Service Type
    Feature EngineeringData CleaningNormalization/Encoding
Special note from freelancer
Nitin Jha
Nitin Jha
I use Python automation instead of manual Excel work to ensure 100 percent accuracy and handle massive datasets. I deliver fast, clean data ready for professional use
FAQs
What kind of messy data can you handle?

I can handle data with missing values, duplicate entries, inconsistent formatting (like different date formats), and structural errors. I specialize in turning unorganized CSV, Excel, or JSON files into structured, ready-to-use datasets.

Do you use manual methods or automation?

I primarily use Python automation with libraries like Pandas and NumPy. This ensures that the cleaning process is 100 percent accurate, repeatable, and free from the human errors that often occur during manual Excel editing.

Can you handle very large datasets?

Yes! Thanks to my high-performance hardware setup, I can efficiently process large-scale datasets with millions of rows that would typically crash standard office software.

Will my data remain confidential?

Absolutely. I prioritize data privacy. Once the project is completed and approved, I delete all client data from my local system to ensure your information remains secure.

What if I need the data in a specific format?

I can deliver the final cleaned data in various formats, including CSV, Excel (XLSX), JSON, or even SQL insert scripts, depending on your needs.

Nitin Jha

Nitin Jha

  • Member since 
  • Speaks -
  • Lives in India
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