About Excel Tools

Image Tool Hub provides free online Excel tools for converting spreadsheets to CSV, PDF, JSON, HTML, merging and splitting workbooks, and viewing Excel in the browser. Convert Excel to CSV for data exchange, to PDF for sharing, or to JSON for developers—all in your browser. No sign-up, no uploads to our servers, and no paywalls.

All Excel tools use client-side processing: your spreadsheets stay on your device. We never see, store, or transmit your data. This ensures complete privacy and faster processing. Our tools work for analysts, developers, and professionals who need reliable spreadsheet conversion without compromising privacy.

Browse the tools above to get started. For questions, visit our Contact or FAQ page.

Frequently Asked Questions

Are Excel tools free?

Yes, all Excel tools are free. Convert to CSV, PDF, JSON, HTML, merge, split, and view spreadsheets without registration or payment. All processing happens in your browser.

Do Excel files get uploaded?

No. Spreadsheet processing is done entirely in your browser. Your files never leave your device. We never see, store, or transmit your data.

What Excel formats are supported?

We support XLSX (Excel 2007+) and XLS (Excel 97–2003) for input. Output formats include CSV, XLSX, PDF, JSON, and HTML. CSV can be used as input for CSV to Excel.

Can I merge multiple Excel files?

Yes, use our Merge Excel tool to combine multiple workbooks or sheets into one. The tool runs in your browser and keeps your data private.

Is there a file size limit?

Limits depend on your device's memory. Very large spreadsheets (e.g., 10MB+ or 100k+ rows) may take longer. For best results, we recommend files under 5MB for most tools.