✂️ Split Huge CSVs in Seconds with Data.olllo

Break Files Down by Size or Column — Without Writing Code

Have you ever struggled with a CSV that's just too big? Whether you're hitting Excel limits, uploading constraints, or simply want to work on a smaller piece of the puzzle — Data.olllo has you covered.

With just a few clicks, you can split any large CSV file by:

  • 🔢 File Size — Define the number of files and let Data.olllo do the rest.
  • 🧩 Column Values — Automatically group and split the data based on any column (e.g., Region, Category, Date).
  • 🚀 Direct Split (No Load) — Instantly split a massive CSV by row count without opening it first, for maximum speed and minimal memory use.

All with zero coding, zero setup, and blazing speed.

🛠️ How It Works in Data.olllo

Option 1: Split by File Size

  1. Open your large CSV in Data.olllo.
  2. Click the “Advanced Save” button.
  3. Choose “Split File to Several” and input how many files (e.g., 5).
  4. Done — Data.olllo instantly slices the file and lets you export all parts.

“Perfect for uploading in chunks, emailing subsets, or staying under cloud upload limits.”

Option 2: Split by Column

  1. Open your dataset.
  2. Click “Advanced Save” → “By Column”.
  3. Choose “Split File by Keys” and select a column (e.g., "Country").
  4. Instantly export them as separate files.

“Now you can deliver personalized reports or filter by departments with zero manual sorting.”

Option 3: Split Without Opening the File

  1. From the top buttons, choose “Split File” button.
  2. Select the CSV file from your disk.
  3. Enter how many rows you want per file.
  4. Data.olllo splits the file directly and saves the parts — no need to load the entire dataset.

“Ideal for massive files or servers with limited memory — fast, light, and efficient.”

Click Advanced Save

⚡ Why It’s Better Than Scripts or Spreadsheets

TaskTraditional ApproachWith Data.olllo
Split by SizeWrite Python/PowerShellClick & export
Split by ColumnManually filter or scriptOne-click column picker
Direct File SplitNot commonBuilt-in, no open needed
Large File SupportLimited by RAM/ExcelAccelerated
Ease of UseRequires skillNo-code, visual

🚀 Pro Tip: Data.olllo handles multi-gigabyte files that crash Excel. Try it on your largest CSV.

👥 Who Needs This?

  • Business Analysts: Quickly segment data by regions or categories.
  • Developers: Preprocess huge files before loading into systems.
  • Marketers: Create targeted lists by location or demographics.
  • Researchers: Isolate experimental groups or conditions easily.

🧾 Final Thought

When big files block your workflow, don’t waste hours writing code or struggling with slow tools.

Data.olllo gives you fast, flexible file splitting with a clean visual experience.

  1. Open file → Click Advanced Save Button → Fill Simple Setting → Export → Done.
  1. Click Split File Button → Fill Simple Setting → Export → Done.

Whether you're slicing by size or category, or even splitting without opening the file — Data.olllo is the most intuitive way to control your data — no code required.

Download Data.olllo

Download Data.olllo