Merge and Split CSV Files Tool
Merge CSV Files
Split CSV File
Why Use Our CSV Merge Tool?
Our online CSV merger allows you to combine multiple CSV files into a single dataset in seconds. Whether you are consolidating reports, combining lists, or merging datasets for analysis, this tool works entirely in your browser—no uploads or privacy risks.
How to Split Large CSV Files Easily
Splitting large CSV files can help manage data efficiently, especially when working with limited processing resources. Our CSV splitter lets you set a row limit per file and instantly generates smaller CSV chunks without losing data integrity.
Data Privacy and Security
We prioritize your privacy. All merging and splitting operations occur locally in your browser, meaning no data is sent to any server. You can safely process confidential or sensitive data without concerns.
Perfect for Data Analysts and Marketers
This tool is ideal for analysts working with CSV reports, digital marketers handling contact lists, and developers preparing datasets for machine learning. No technical skills are required to use it effectively.
Accessible Anywhere, Anytime
Since our CSV tool runs entirely in your browser, it’s platform-independent and works on Windows, Mac, Linux, and mobile devices. No installation or sign-up is required.
Frequently Asked Questions
Q: Is my data uploaded to a server?
A: No, all processing happens in your browser. Your files never leave your device.
Q: What is the maximum file size I can use?
A: The limit depends on your device’s memory. Most modern devices can handle files up to 50–100 MB easily.
Q: Can I merge CSV files with different column headers?
A: Yes, but mismatched columns may cause empty cells in some rows. Ensure consistency for best results.
Q: Will it work on my phone?
A: Yes, the tool is mobile-friendly and works on most modern smartphones and tablets.
Q: Do I need to install anything?
A: No installation required. Just open the tool in your browser and start processing CSV files.