✂️ Split Huge CSV Files in Seconds — Offline & Free

Need to split a CSV into multiple files? Whether by size, row count, or column values, Data.olllo is your go-to free offline CSV splitter. It's fast, no-code, and works entirely on your desktop — even with files Excel can’t handle.

🧩 Free CSV Splitter — Works Offline, No Upload Limits

Split by File Size, Row Count, or Column — No Scripts, Just Click

Working with huge CSV files? Tired of Excel errors or online upload limits? Data.olllo makes it easy to break files into parts:

  • 🔢 Split by File Size — Choose how many files you want and let Data.olllo split automatically.
  • 🧩 Split by Column Value — Separate data by region, category, or any other field.
  • 🚀 Split Without Loading — For very large CSVs, split directly from disk by row count without loading the full file.

💡 No code. No cloud. Just speed.

⚙️ How to Split CSV Files with Data.olllo

Option 1: Split by File Size or Number of Files

  1. Open your CSV file.
  2. Click “Advanced Save”.
  3. Select “Split File to Several” and choose number of output files.
  4. Export and done.

“Great for sharing, uploading, or processing in chunks.”

Option 2: Split by Column Key (e.g. Region, Category)

  1. Open your data.
  2. Click “Advanced Save” → “By Column”.
  3. Choose the column to group by (e.g., "Country").
  4. Instantly export to multiple files.

“Perfect for generating personalized reports by group.”

Option 3: Split Without Opening the File

  1. Use the “Split File” button from the top bar.
  2. Select your file from disk.
  3. Enter row count per file.
  4. Data.olllo will instantly create the split files—fast and memory-safe.

“Ideal for splitting massive files without consuming RAM.”

Click Advanced Save

⚡ Why Use Data.olllo Instead of Scripts or Excel

TaskTraditional ToolsWith Data.olllo
Split by SizeWrite Python/PowershellClick & export
Split by ColumnManually filter or scriptOne-click column picker
Split Without LoadingUncommon/complexBuilt-in with UI
Huge File SupportExcel crashes, RAM limitOptimized for big data
Ease of UseRequires skillNo-code, visual workflow

🚀 Data.olllo handles CSV files 80GB+ with ease—faster than any spreadsheet.

👥 Who Needs a CSV Splitter Like This?

  • Business Analysts: Segment reports by region or department.
  • Marketers: Break mailing lists by city, age group, or campaign.
  • Researchers: Organize raw data by study or category.
  • Engineers: Pre-process large data files before importing.

💡 Final Thoughts

Tired of writing scripts or waiting on Excel? Need to split huge CSVs without uploading to the cloud?

Data.olllo makes it dead simple:

  1. Open file → Click Advanced Save → Set Options → Export → ✅

  2. Or click “Split File” → Choose File → Set Rows → Export → ✅

Whether you're slicing by size, row count, or column value, Data.olllo is the fastest, safest, most intuitive CSV splitter available.

📥 Download the Best Free CSV Splitter Today

Skip the online tools. Say goodbye to scripts. Just split and go.

✅ Works offline
✅ Supports large files (80GB+)
✅ Split by size, rows, or column key
✅ No code needed

Ideal for: Analysts • Researchers • Developers • Business Teams

⬇️ Download Data.olllo Now

Download Data.olllo