Data File Splitter

Split large data files automatically, across any of eight formats

Split Large Data Files Automatically

Manually dividing a large data file, whatever its format, means repeating the same tedious process every time: figuring out where to cut, copying the right rows, saving as a new file, and doing it all over again for the next chunk. An automated splitter removes that repetition entirely.

Turbo Large Data Splitter automatically splits large data files once you've selected an input file, a split method, and its single setting. It works across eight input formats, CSV, TSV, TXT, XLSX, XLS, JSON arrays, XML, and line-oriented SQL dumps, with six output formats available.

Seven split methods each require just one setting to configure, rows per file, target MB, the column to split on, and so on, so automating a split takes seconds regardless of which method fits your data best.

Advanced settings for delimiter, encoding, header handling, sorting, filtering, deduplication, and XML record tags can all be configured to run automatically as part of the same split, so a file needing cleanup before division gets both handled in one automated pass.

Once configured, clicking Start Split runs the whole process automatically, with a status bar showing live progress, speed, and an ETA, and Open Output Folder taking you straight to the results when it finishes.

Everything runs offline, entirely on your own Windows PC, so automatically splitting a large data file never requires uploading it to an external service. Delimiter and encoding both default to Auto for relevant formats and are detected directly from the file itself, so you only need to touch them in the rare case detection gets something wrong, an unusual delimiter or a legacy encoding, for example. This makes the tool equally useful for data analysts working with irregular exports, developers automating a recurring pipeline step, e-commerce teams distributing catalog data by category, and anyone else who regularly runs into the practical limits of opening a large data file directly in a spreadsheet program.

Turbo Large Data Splitter

Turbo Large Data Splitter
App Screenshots
split large data file into multiple files windows
large data splitter split method selection
split large data into multiple files by rows
split large data file by target file size
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split data file by alphabet ranges A-F G-L
preview large data file before splitting
large data splitter progress bar and eta
large data splitter zip gzip compression options
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merge xlsx files into one excel workbook
Enlarged application screenshot
How to Automatically Split a Large Data File
  1. Install Turbo Large Data Splitter on your Windows PC.
  2. Browse to or drag and drop your data file.
  3. Choose your output folder and format.
  4. Choose one of the seven split methods and its setting.
  5. Add sorting, filtering, or deduplication if needed.
  6. Run Preview to confirm the setup.
  7. Click Start Split and let the tool process automatically.
  8. Open the output folder once the split completes.
  9. Adjust the parallel worker slider if compressing many output parts.
  10. Check the status bar for the final row count and file count summary.
Why Use This Data File Splitter
  • Automatically splits files across eight input formats
  • Seven split methods, each configured with one setting
  • Advanced settings applied automatically in the same pass
  • Format conversion built into the automated split
  • Live progress with speed and ETA
  • Open Output Folder takes you straight to results
  • Runs fully offline with no uploads required
  • One-time purchase for Windows, with Gumroad license activation
  • Compression options: uncompressed, per-part ZIP/gzip, or a single bundled archive
  • Works with files on local drives, external drives, and network shares
Frequently Asked Questions

Do I need to manually configure each format separately?

No, the app detects the input format from the file extension, and you simply select your desired output format and split method.

Can data cleanup happen automatically as part of the split?

Yes, sorting, filtering, and deduplication can all be configured to run automatically in the same pass as the split.

How much configuration does each split method need?

Just one setting per method, rows per file, target size in MB, or the column to split on, depending on which method you choose.

Does automatic splitting work the same way for every input format?

The core workflow, choose a method, set its value, run Preview, click Start Split, is consistent across all eight supported input formats.

Does this work on both Windows 10 and Windows 11?

Yes, Turbo Large Data Splitter is built and tested for both Windows 10 and Windows 11.

Is my data safe when using this tool?

Yes, all processing happens locally on your PC; no files are ever uploaded, so proprietary or sensitive data stays fully under your control.

Can I compress the split output files?

Yes, you can leave parts uncompressed, zip or gzip each part individually, or bundle everything into a single ZIP or gzip archive, sped up by a parallel worker slider.

Can I use this on files stored on an external or network drive?

Yes, data files on local drives, external drives, or mapped network shares all work the same as any local file.

Can I cancel a split job partway through if I need to?

Yes, cancelling saves a checkpoint file in the output folder, so you can resume the job later exactly where it left off instead of starting over.

Is there a trial version available before buying?

Check the product page on turbo-soft.com for current trial availability and details.

Ready to automatically split your large data files, fully offline?

Related guides and tools

This guide is part of TurboSoft’s large data splitting resources. Turbo Large Data Splitter handles all of these tasks offline on Windows.

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