Transformation & Logic Tools | I Love CSV Blog
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Transformation & Logic Tools

Welcome to our transformation & logic hub. Here you'll find all the tools you need to handle transformation & logic tasks efficiently and securely.

Why Choose Our Transformation & Logic Tools?

Our transformation & logic tools are designed with privacy and performance in mind. All processing happens locally in your browser, ensuring your data never leaves your device. Whether you're working with small datasets or files with millions of rows, our tools handle it all seamlessly.

Key Features

100% Private: All data processing happens in your browser Lightning Fast: Handle large files without performance issues No Installation: Works directly in your browser, no software to download Free to Use: Access all features without any cost Modern Interface: Intuitive design that makes complex tasks simple

Available Transformation & Logic Tools

Explore our complete toolkit with detailed guides and tutorials for each feature:

Whether you need to force convert columns to numbers, dates, or text, Data Type Converter is your go-to solution. Read more about Data Type Converter in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Data Type Converter screenshot

If you're looking to combine multiple excel sheets into one unified dataset. supports vertical stacking (append), horizontal joining (merge on common columns), and side-by-side concatenation. perfect for consolidating monthly reports, regional data, or multi-tab workbooks, Merge Excel Sheets is your go-to solution. Working with multi-sheet Excel workbooks? This powerful tool lets you merge multiple sheets into a single unified dataset. Perfect for consolidating monthly sales reports from different sheets, merging regional data from separate tabs, and more. Read more about Merge Excel Sheets in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

When it comes to find differences between excel sheets with detailed comparison reports. identify unique rows, changed values, and generate visual diff reports. perfect for version control, audit trails, data validation, and reconciliation tasks, Compare Excel Sheets is your go-to solution. Need to spot differences between two datasets? This powerful comparison tool analyzes Excel sheets to find what changed. Perfect for comparing budget versions to track changes, auditing data modifications between releases, and more. Read more about Compare Excel Sheets in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

For those who want to reduce file size by zipping csv and xlsx files, Compress CSV/XLSX is your go-to solution. Read more about Compress CSV/XLSX in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Whether you need to apply math formulas (a + b) to create new data, Calculated Columns is your go-to solution. Read more about Calculated Columns in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Calculated Columns screenshot

If you're looking to perform sql-style joins or vlookup between two files, Join Tables (VLOOKUP) is your go-to solution. Read more about Join Tables (VLOOKUP) in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

When it comes to join tables even when spelling doesn't match perfectly, Fuzzy Match Join is your go-to solution. Read more about Fuzzy Match Join in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

For those who want to smooth out volatile data using rolling windows, Moving Averages is your go-to solution. Read more about Moving Averages in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Whether you need to scrape all email addresses found in a text file or csv, Extract Emails is your go-to solution. Read more about Extract Emails in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Extract Emails screenshot

If you're looking to transform wide data (months as columns) into long format, Unpivot / Melt Table is your go-to solution. Also known as "Melting" or "Reverse Pivot". This tool is essential for preparing Excel reports for Tableau, PowerBI, or Database ingestion. Perfect for preparing monthly sales sheets for database import, cleaning survey data for visualization, and more. Read more about Unpivot / Melt Table in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

When it comes to extract day, month, year, and weekday from dates, Date Decomposition is your go-to solution. Read more about Date Decomposition in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

For those who want to count words, characters, and extract patterns, Text Feature Extractor is your go-to solution. Read more about Text Feature Extractor in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Whether you need to use regular expressions to extract complex patterns, Regex Extractor is your go-to solution. Read more about Regex Extractor in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Regex Extractor screenshot

If you're looking to rename or group specific values (e.g, us -> usa), Category Mapper is your go-to solution. Read more about Category Mapper in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

When it comes to check if data meets specific logical rules, Column Validator is your go-to solution. Read more about Column Validator in our introduction guide, or follow our tutorial for step-by-step instructions. Try it now →

Ready to transform your data workflow? Try our transformation & logic tools today and experience the difference.

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