100% browser-based — your data never leaves your device

Free Data Tools

View, edit, and convert CSV, Excel, and Parquet files right in your browser. No upload, no signup — powered by WebAssembly.

CSV Tools

Comma-separated values — the universal data format.

CSV Viewer

View, sort, filter, and search CSV files instantly.

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CSV Editor

Edit cells, add rows and columns, then export your changes.

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Excel Tools

Excel spreadsheets — .xlsx and .xls with multi-sheet support.

Excel Viewer

View Excel files with sheet switching, sort, filter, and search.

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Excel Editor

Edit Excel data and export to CSV, JSON, Parquet, or Excel.

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Parquet Tools

Apache Parquet — the columnar format for big data.

Parquet Viewer

Inspect Parquet files with schema metadata and row groups.

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Parquet Editor

Edit Parquet data and export to any format.

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Converters

Convert between data formats instantly in your browser.

Parquet → CSV

Convert Parquet files to CSV. No Python required.

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Excel → CSV

Convert Excel (.xlsx, .xls) files to clean CSV.

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Excel → Parquet

Convert Excel (.xlsx, .xls) files to compressed Parquet.

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CSV → Parquet

Convert CSV to Parquet with automatic type detection and compression.

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CSV → TSV

Convert CSV to tab-delimited format for bioinformatics and Unix workflows.

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TSV → CSV

Convert tab-delimited files to standard comma-separated CSV.

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Why These Tools

Privacy-First

Your files never leave your browser. All processing happens locally using WebAssembly — no uploads, no servers, no tracking.

Lightning Fast

Powered by DuckDB, the same engine used by data teams worldwide. Sort, filter, and search millions of rows in milliseconds.

No Row Limits

Handle files with millions of rows. Virtual scrolling keeps the interface smooth regardless of dataset size.

100% Free

No sign-up, no credit card, no hidden limits. Use these tools as much as you need, completely free.

Browser-Based Data Tools

Infograph AI's free data tools let you work with CSV, Excel, and Apache Parquet files entirely in your browser. There's nothing to install, no accounts to create, and your data never leaves your device.

Under the hood, these tools use DuckDB — the same analytical database engine used by data teams at companies of all sizes. DuckDB runs directly in your browser via WebAssembly, giving you SQL-powered sorting, filtering, and export capabilities on files with millions of rows.

Whether you're a data analyst previewing a dataset, a developer validating pipeline output, or a business user exploring a report — these tools handle it without any setup.

Frequently Asked Questions

Are these tools really free?

Yes, completely free with no limits. No sign-up or credit card required.

Is my data safe?

Your data never leaves your browser. All processing happens locally using WebAssembly. We never see, store, upload, or transmit your files.

What file formats are supported?

You can open CSV files (including TSV and other delimited formats), Excel files (.xlsx, .xls), and Apache Parquet files. Export to CSV, JSON, Parquet, or Excel (.xlsx).

How large of a file can I open?

Files up to several hundred megabytes. Virtual scrolling keeps the UI smooth even with millions of rows.

Do I need to install anything?

No. Everything runs in your browser. No downloads, plugins, or extensions required.

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