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CSV Splitter

Professional CSV splitter with instant splitting. Split large CSV files into smaller chunks instantly.

Instant Splitting
100% Private
Completely Free

Your privacy is protected! No data is transmitted or stored.

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Real-World Use Cases

When You Need CSV Splitter

Common scenarios where CSV splitting is essential

Large File Processing

Split large CSV files into manageable chunks for easier processing and analysis.

API Batch Processing

Split data into smaller batches for API requests with size or row limits.

Database Import

Split CSV files before importing into databases to avoid timeout issues.

Data Distribution

Distribute large datasets across multiple systems or teams efficiently.

Email Attachments

Split large files to meet email attachment size limits for sharing.

Parallel Processing

Split data for parallel processing across multiple workers or threads.

FAQ

Frequently Asked Questions

Find answers to common questions about CSV splitting

CSV splitting divides large CSV files into smaller chunks based on your preferences. You can split by number of rows, number of files, or file size. This makes it easier to process, share, and manage large datasets.

1. Split by rows: Specify how many rows per file (e.g., 100 rows per file). 2. Split by files: Specify how many files to create (e.g., split into 5 files). 3. Split by size: Specify the maximum size per file in KB (e.g., 500 KB per file).

Yes! The header row (first row) is automatically included in each split file. This ensures that each file is a complete, valid CSV with proper column headers.

Yes! You can download all split files as a single ZIP archive. This makes it easy to download and share multiple files at once.

Yes! Our CSV Splitter is 100% client-side, meaning all processing happens in your browser. Your data is never sent to any server and is not stored anywhere. Your privacy is completely protected.

We support CSV (.csv) and plain text (.txt) files. You can also paste CSV data directly into the input field. The tool automatically detects the format and processes it accordingly.

Currently, the splitter works with comma-delimited CSV files. If you need to split files with different delimiters, you can use our CSV Formatter tool to convert them first.

You can split files up to 50MB in size. For larger files, consider splitting them in multiple batches or using specialized tools designed for very large datasets.
Powerful Features

Everything You Need, Zero Hassle

Split CSV files with our powerful and flexible tools

Flexible Splitting

Split by rows, files, or size. Choose the method that works best for you!

Header Preservation

Header row automatically included in each split file!

ZIP Download

Download all split files as ZIP. Perfect for sharing!

How It Works

Simple, Fast, Effortless

Split CSV in just a few clicks

01
Upload CSV

Upload or paste your large CSV file into the input field.

02
Choose Mode

Select split mode: by rows, files, or size!

03
Split Data

Click Split CSV and watch your file get split instantly!

04
Download Files

Download as ZIP or individual files. Perfect for sharing!