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I have several product lists saved in a mix of Excel files and standalone CSV files. Each source uses its own column order and naming conventions, but I need everything combined into one clean CSV that matches the column structure shown in my example file. Here’s what I expect: • Open every Excel and CSV source, map its fields to the target headers in the example, and copy all rows over. • Normalise values where needed—dates, prices, category names, SKUs—so the finished file is consistent and import-ready. • Preserve any special characters, line breaks, or encodings already present in descriptions. • Return a single, properly formatted CSV that opens without warnings in Excel, Numbers, Google Sheets and passes a quick schema check. If you prefer to script the conversion with Python / pandas or similar tools instead of doing it manually in Excel, that’s fine as long as the result is accurate. When you’re done, send me: 1. The consolidated CSV. 2. (Optional) Any script or macro you used, so I can rerun the process in the future. I’ll supply the layout example and all source files once we start. Let me know how quickly you can turn this around and any questions you have about column mapping.
Proje No: 40074389
37 teklifler
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37 freelancer bu proje için ortalama $423 USD teklif veriyor

I am an experienced data engineer with extensive skills in data transformation and consolidation using Python and pandas. My expertise includes handling diverse data formats and ensuring accurate mapping and normalization across different sources. I have successfully managed projects involving data integration and consistency, providing clients with seamless, ready-to-use datasets. I specialize in scripting solutions for data conversion, focusing on efficiency and accuracy. Using Python and pandas, I can automate the process to map fields, normalize values, and preserve data quality, including special characters and encodings. My experience ensures the creation of a CSV file ready for use in Excel, Numbers, and Google Sheets, meeting the project's requirements. I am interested in further discussing the details of your column mapping requirements. Please let me know if you have specific preferences or any additional information. I look forward to potentially working together. Thank you.
$650 USD 5 gün içinde
8,4
8,4

⭐⭐⭐⭐⭐ Combine Excel and CSV Files into One Clean CSV ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for someone to combine product lists from various Excel and CSV files into one clean CSV. Look no further; Zohaib is here to help you! My team has successfully handled 50+ similar projects for data consolidation. I will open each file, map the fields, and ensure consistency in the final output. ➡️ Why Me? I can easily do your data consolidation as I have 5 years of experience in data manipulation, Excel, CSV handling, and normalization. My expertise includes scripting with Python and using pandas for efficient data processing. Additionally, I have a strong grip on data validation and formatting to ensure accurate results. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work and how I can meet your needs effectively. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Data Consolidation ✅ Excel & CSV Management ✅ Data Normalization ✅ Python Programming ✅ Pandas Library ✅ Data Validation ✅ Scripting & Automation ✅ Formatting & Encoding ✅ Schema Checking ✅ Problem Solving ✅ Attention to Detail ✅ Data Analysis Waiting for your response! Best Regards, Zohaib
$350 USD 2 gün içinde
7,9
7,9

Hello, Hope you are doing well, i can definitely help you with this project of merging your product lists and normalizing them into one clean CSV. With my expertise in Data Processing and Excel, I have successfully completed similar previous projects on combining and consolidating data from varied sources. Additionally, I have extensive experience working with Python and am well versed with pandas, a powerful tool for data manipulation and analysis. Using this library, I can script the conversion process for you ensuring not only accurate consolidation but also a quicker turnaround time. Rest assured, we will work closely to maintain consistent quality, clear encoding while preserving characters thus creating an import-ready CSV for you. Thank you Gaurav D.
$500 USD 7 gün içinde
6,4
6,4

As a data analyst and programmer, I have extensive experience working with Excel and Python for merging and managing complex datasets. My proficiency in not only manipulating and organizing raw data but also conducting deep analysis gives me an edge in converting your multiple product lists into a coherent CSV file in a streamlined manner. Though open to using Excel if that’s your preference, I strongly recommend using Python and pandas due to its robustness and efficiency in handling large datasets - something that will greatly benefit your project. Furthermore, my background in artificial intelligence and machine learning aligns perfectly with your demand to normalize values for consistency. I can develop a script leveraging these cutting-edge technologies that would not only merge the products but also automatically rectify any discrepancies in dates, prices, category names or SKUs during the process. And as you’ve requested, I will absolutely provide the compiled CSV file along with the resultant script, ensuring you have the necessary tools for future updates.
$250 USD 7 gün içinde
5,2
5,2

Hi! I’m a full-stack developer with 5 years of Python/JavaScript apps and data automations. I’ll consolidate all Excel/CSV sources into one clean, import-ready master CSV that matches your example: mapped headers, normalized dates/prices/categories/SKUs, preserved special characters/line breaks, and schema-validated to open without warnings in Excel, Numbers, and Google Sheets. I’ll script it in Python/pandas so you can rerun the process anytime. Business impact: zero manual cleanup, fewer import errors, and a repeatable pipeline for future product updates. Turnaround: 24–48 hours after receiving files. Deliverables: consolidated CSV, optional script, and a simple mapping/normalization summary. A few quick questions: - Approx. number of files and total rows? - Any canonical category list or SKU rules? Preferred date/currency formats? - How should duplicates/conflicts be resolved (priority source)? If this aligns, I can start today—share the example layout and sources or we can hop on a quick call.
$750 USD 7 gün içinde
4,7
4,7

Hello, I have prior experience consolidating mixed Excel and CSV datasets into clean, schema-consistent files. I can map all source columns to your target structure, normalize dates, prices, SKUs, and categories, and preserve special characters and encodings for safe imports. I typically use Python (pandas) for accuracy and repeatability, delivering a single validated CSV that opens cleanly across Excel, Google Sheets, and Numbers. I can also share the script so you can rerun the process anytime. Ready to start immediately.
$500 USD 7 gün içinde
2,7
2,7

Hello, Nice to meet you. I am very confident in this task. To be honest, I have already same experience in required skills. So that don't need to waste your time. Please contact me and let's discuss. Thanks.
$250 USD 7 gün içinde
2,4
2,4

Dear , I am a skilled freelancer with extensive experience in Python, Data Processing, Excel, and Data Management. I have successfully completed similar projects where I merged and cleaned data from multiple sources into a single, standardized CSV file. I will meticulously map the fields from your various Excel and CSV files to match the desired column structure, ensuring data consistency and accuracy throughout the process. Using Python and pandas, I can automate the conversion to streamline the task efficiently. I am eager to assist you in consolidating your product lists into a clean, import-ready CSV file that meets your specifications. I look forward to discussing the project details further and providing you with a high-quality deliverable. Thank you for considering my proposal. Best regards, Yevhenii
$500 USD 7 gün içinde
1,1
1,1

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