DuckDB is an analytical database. The WASM version runs directly in the browser, enabling fast SQL queries on local data without a server.

100% local in your browser

Data Analysis.
Right in Your Browser.

Name: DaitaMind
Author: DaitaMind

Analyze Parquet, CSV, JSON and Excel with pivot tables, interactive charts and a full SQL editor. No upload. No server. No risk.

Start for free Explore features

Parquet CSV JSON Excel

Everything you need.

Six powerful modules for every analysis requirement.

Data Grid

Lightning-fast table with sorting, filtering and export. Millions of rows thanks to virtualized rendering.

Pivot Table

Drag-and-drop pivot analysis with flexible aggregations. Rows, columns, values and filters with a click.

Interactive Charts

Bar, line, pie, doughnut and scatter charts. Automatic aggregation and flexible color schemes.

SQL Editor

Full SQL editor with DuckDB syntax. Auto-complete, syntax highlighting and instant results.

Notebook

Combine SQL and Markdown cells. Document analyses, save and export as HTML.

Schema

Column documentation with descriptions and categories. Export as JSON, SQL DDL or AI prompt.

Simple as that.

From file to analysis in three steps.

Open file

Drag a file into the browser or select it. Parquet, CSV, JSON or Excel.

Analyze

Use pivot tables, charts or SQL queries. Drag columns with drag-and-drop.

Export

Export results as CSV, Excel or HTML. Save configurations for later.

Your data stays with you.

DaitaMind processes all data exclusively in your browser. No server, no upload, no cloud.

No server backend

No data upload

GDPR compliant by design

Open-source technology

Works offline

No registration

Any format. Instantly ready.

Load individual files or entire folders. DaitaMind automatically creates UNION views across multiple files.

.parquet

Apache Parquet

Columnar and compressed. Ideal for large datasets.

.csv

CSV / TSV

Universal text format with automatic delimiter detection.

.json

JSON / NDJSON

Structured data and line-based JSON streaming.

.xlsx

Excel

Load Microsoft Excel files (.xlsx and .xls) directly.

Frequently Asked Questions

Is my data uploaded to a server?

No. DaitaMind processes all data exclusively in your browser using DuckDB-WASM. No data is ever sent to a server. All processing happens on your device.

What file formats are supported?

DaitaMind supports Parquet, CSV, TSV, JSON, NDJSON and Excel (.xlsx, .xls) files. You can also load entire folders with multiple files - DaitaMind automatically creates UNION views.

Do I need to install anything?

No. DaitaMind runs entirely in your browser. No download, no installation, no registration required. Simply open the website and get started.

Is DaitaMind free?

Yes, DaitaMind is completely free to use. There are no hidden costs, no premium version and no ads.

How large can the files be?

The maximum file size depends on your available memory. DuckDB-WASM can typically process files up to several hundred megabytes efficiently. Parquet files are particularly efficient thanks to columnar compression.

What is DuckDB-WASM?

DuckDB is a powerful analytical database. DuckDB-WASM is the WebAssembly version that runs directly in your browser. It enables fast SQL queries on local data without a server.

Data Analysis.Right in Your Browser.