Big Text File Splitter
Split Large Files in Seconds

Easily split large text files (TXT/CSV/LOG) by lines, size, or keywords. Fast local processing with no file size limits, compatible with Windows, Mac, and Linux - handle even GB-level files effortlessly!

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                        Blazing Fast
                    

                        🔒
                        Local Processing
                    

                        🌍
                        Cross-Platform
                    

Download Free Trial Buy Now $59.95 or less

Powerful Text File Splitting Features

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Multiple Split Modes

Split files by line count, file size (KB/MB/GB), or specific keywords/strings. Customize split rules to match your exact needs.

By Lines By Size By Keywords

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Support All Text Formats

Perfectly handle TXT, CSV, LOG, XML, JSON and other text-based files. Preserve original encoding and format structure after splitting.

TXT/CSV LOG Files Encoding Preserved

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Unlimited File Size

Process GB-level large text files without memory limits. Optimized algorithm ensures fast splitting speed even for 10GB+ files.

10GB+ Support Fast Algorithm No Memory Limits

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Cross-Platform & Secure

Works on Windows, Mac, and Linux. All processing happens locally - no file uploads, 100% data privacy and security guaranteed.

Windows/Mac/Linux Local Processing 100% Secure

3 Simple Steps to Split Large Text Files

Select Input File

Choose the large text file (TXT/CSV/LOG) you want to split, support drag & drop

Set Split Parameters

Choose split mode (by lines/size/keywords) and set output path

Start Splitting

Click start button, get split files in seconds with real-time progress

Frequently Asked Questions

What is the maximum file size supported? +

There is no theoretical maximum file size limit. The software can handle any size of text files, including 10GB, 50GB or even larger files, as long as your hard disk has enough free space for the output files.

Will splitting damage the original file? +

No. The software only reads the original file and creates new split files - the original file remains completely intact and unmodified.

Does it support command line operation? +

Yes. You can use command line to split files for automation and batch processing.

Is technical support included after purchase? +

Yes. All purchases include free technical support via email.

Big Text File SplitterSplit Large Files in Seconds