DataLensia is a privacy-first, client-side data visualization platform that allows you to upload, explore, and visualize JSON, CSV, and NDJSON files entirely in your browser. No data is ever sent to a server, ensuring complete privacy and security.

What file formats does DataLensia support?

DataLensia supports JSON, CSV, NDJSON (newline-delimited JSON), and JSON-LD formats. The platform can handle large datasets efficiently.

Is my data secure with DataLensia?

Yes, absolutely. DataLensia processes all data entirely in your browser using client-side JavaScript. Your data never leaves your device and is never uploaded to any server, ensuring complete privacy and security.

What visualizations can I create with DataLensia?

DataLensia offers multiple visualization types including bar charts, line charts, scatter plots, pie charts, treemaps, node graphs, and more. The platform automatically suggests appropriate visualizations based on your data structure.

Can I edit my data in DataLensia?

Yes, DataLensia includes a built-in JSON editor that allows you to modify your data in real-time. Changes are reflected immediately in visualizations and can be exported.

How large of a file can I upload?

DataLensia supports large datasets and uses efficient client-side processing to handle substantial files without performance issues.

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Privacy Policy

Last updated: August 2025

Data Processing

DataLensia processes all your data entirely on your device (client-side). We do not upload, store, or transmit your data to our servers or any third parties. Your files remain private and secure on your local machine.

Information We Collect

We may collect basic analytics data such as page views and feature usage to improve our service. This data is anonymized and does not include any of your uploaded files or personal information.

Cookies

We use essential cookies to maintain your session and preferences. No tracking cookies are used for advertising purposes.

Data Security

Since all processing happens locally in your browser, your data never leaves your device. We implement industry-standard security measures to protect our website and services.

Contact

If you have any questions about this Privacy Policy, join our Discord community: Discord