I will do data entry, cleaning, formatting, merging and deduplication for CSV, excel
Extract Data from Any Website, Python, Exhibitor Data, Real Estate
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
Is your valuable data trapped in messy spreadsheets? Conquer Your Data Chaos: Expert CSV & Excel Cleaning, Formatting, Merging, & Deduplication
What I Deliver (Data Transformation Suite):
Comprehensive Data Cleaning & Validation:
- Handling Missing Values: Strategically filling or removing blanks.
- Inconsistent Data Correction: Standardizing spelling, units, and text formats (e.g., 'USA', 'U.S.A.' $\rightarrow$ 'USA').
- Data Type Conversion: Ensuring correct Text, Number, Date, and Currency formats.
- Irrelevant Data Removal.
Data Formatting & Standardization:
- Unifying Date & Time formats (e.g., MM/DD/YYYY, YYYY-MM-DD)
- Standardizing text case, decimal points, and currency symbols
- Text Manipulation: Splitting or combining columns (e.g., full name $\rightarrow$ first/last)
Data Merging & Consolidation:
- Combining hundreds of CSV/Excel files based on key identifiers (Product ID, Email)
- Executing complex VLOOKUP/INDEX+MATCH operations for data enrichment.
Advanced Deduplication:
- Identifying and removing exact duplicates.
- Fuzzy/Partial Dedu
Ready to get started? Please contact me first with the approximate size of your data, the current issues, and your desired final structure!
Clients I’ve worked with
Skamper
Web scraping for race data analysis involves extracting race results, participant details, statistics, and historical performance data from online sources. The collected data is cleaned and structured for analysis, helping identify trends, compare performances, and generate insights that support informed decisions and strategic planning.
Jan 2026-Mar 2026
DIALECTICA Communication
The Global Investors and Advisory Firms Data Scrape project involves extracting detailed, structured information from official websites and trusted business sources to build a comprehensive database of investment and advisory companies worldwide. The data includes firm profiles, leadership details, service categories, geographic coverage, client focus, and publicly available contact information.
Oct 2024
My Portfolio
Other Data Entry Services I Offer
FAQ
What is the maximum size of data you can handle?
I specialize in handling large-scale datasets. I regularly work with files that contain hundreds of thousands up to several million rows (1,000,000+). Unlike basic Excel which crashes, I use specialized tools to process and clean massive CSV and Excel files efficiently and reliably.
Which software do you use for cleaning the data?
While the final output is delivered in Excel (XLSX) or CSV format, I primarily use Python with libraries like Pandas and other powerful data manipulation tools.
Is my data safe and confidential?
Absolutely. Data confidentiality is my top priority. All client data is treated with the utmost privacy. I do not share, store, or use your data for any purpose other than completing the gig, and it is deleted from my local systems immediately after the project is successfully delivered.
3 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M markjwhitehead
Repeat Client

United States
as always ther best
Up to $50
Price
1 day
Duration
Helpful?M markjwhitehead
Repeat Client

United States
always quick to respnd and get job done
Up to $50
Price
1 day
Duration
Helpful?M markjwhitehead
Repeat Client

United States
well recommended will use again and again
Up to $50
Price
1 day
Duration
Helpful?
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
M markjwhitehead
Repeat Client

United States
as always ther best
Up to $50
Price
1 day
Duration
Helpful?M markjwhitehead
Repeat Client

United States
always quick to respnd and get job done
Up to $50
Price
1 day
Duration
Helpful?M markjwhitehead
Repeat Client

United States
well recommended will use again and again
Up to $50
Price
1 day
Duration
Helpful?
