Filter Millions of Rows Instantly.

Find the exact records you need from gigantic 10GB+ CSV files without lag, loading bars, or crashes. Follow the complete guide to filter a large CSV file locally.

Download Local AnalyzerDownloads standard DataOlllo PC App

Stop Struggling with Slow Searches

BEFORE

Waiting minutes just to apply one filter.

Standard Spreadsheet Tool

Filter: Status = 'Active'

Calculating... 45%
Estimated time: 4 minutes

↓

AFTER

Real-time filtering on enormous datasets.

Query

Result

Status = 'Active' AND Region = 'NA'

0.05s

Region

USR-1092

USR-4412

DataOlllo updates your views instantly as you tweak your filter conditions.

Built for Lightning Fast Discovery

Complex Conditions

Apply multiple AND/OR conditions, regex matching, and date range filters effortlessly.

No Pre-indexing

Just open your file in a large CSV viewer and start filtering. No need to wait hours for a database to ingest or index your data beforehand.

Sub-second Speed

Experience instant feedback. Whether it's 10 thousand or 10 million rows, filtering is blazing fast.

Find exactly what you need. Fast.

DataOlllo runs securely on your local PC, completely disconnected from the cloud.
Slice and dice your massive datasets securely and instantly. If columns do not parse correctly, check the source with the free CSV delimiter detector first.

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