Tools hub

Excel Converter & Workbook Tools

Convert XLSX to CSV, PDF, JSON, and HTML, then merge, split, and review spreadsheets in one place. Everything runs locally in your browser for faster results and private data handling.

Tools

Choose a tool below, or narrow by task and the full A–Z index.

CSV to Excel

Convert CSV to XLSX

Use CSV to Excel

Excel to CSV

Convert XLSX/XLS to CSV

Use Excel to CSV

Excel to HTML

Convert Excel to HTML table

Use Excel to HTML

Excel to JSON

Convert Excel to JSON

Use Excel to JSON

Excel to PDF

Convert Excel to PDF

Use Excel to PDF

Excel Viewer

View Excel in browser

Use Excel Viewer

Merge Excel

Combine multiple Excel files

Use Merge Excel

Split Excel

Split by sheet or rows

Use Split Excel

Complete tool index

Alphabetical list of every tool on this hub. Each row links to the dedicated tool page—useful for scanning and site discovery.

About Excel Tools

We provide 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 (for example 10MB+ or 100k+ rows) may take longer. For best results, we recommend files under 5MB for most tools.
Excel Converter & Spreadsheet Tools - XLSX to CSV, PDF, JSON