Data.olllo AI

A local-first desktop application that opens, cleans, merges, splits, filters, and summarizes large CSV, JSON, and structured files that exceed spreadsheet limits or are too sensitive for cloud upload. It serves analysts in finance, marketing, healthcare, e-commerce, logistics, research, and development teams, as well as students and organizations. The tool processes data entirely on the user's workstation, ensuring privacy and avoiding cloud upload risks, and provides visual workflows without requiring coding skills.

Key features

• Open 10GB+ CSVs
• Data cleaning: fix dates & currency
• Data filtering: filter records or rows
• Data grouping: summarize data instantly
• Data merging: join multiple datasets
• Visual log filtering by error codes
• Automatic flattening of nested JSON logs
• Group logs by session ID
• Local processing, no cloud upload