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Excel to JSON

Excel to JSON: Convert Excel (.xlsx) files to JSON format in the browser. Free online data tool — browser-based, no upload.

Data tools support CSV, JSON, SQL and other structured formats. Pivot tables, chart generation, cleaning, and analysis for everyday data tasks.

How to use

  1. 1 Open the Excel to JSON tool page.
  2. 2 Paste your text, URL, or data into the input area.
  3. 3 Choose the operation mode and parameters.
  4. 4 Run the tool and review the result.
  5. 5 Copy or download the result.

Why we built this tool

We found that most online data tools require uploading CSV and JSON files to their servers. We built this tool to process everything locally in your browser — your datasets never leave your device.

Frequently Asked Questions

Is this tool free?

Yes, completely free with no signup required.

Can I use it on mobile?

Yes, it works on mobile browsers with touch support.

What category does this belong to?

Data

How many rows can the data tools handle?

It depends on your browser memory. Up to 100K rows of CSV/JSON data can generally be processed smoothly.

What data formats are supported for conversion and analysis?

ToolPure supports CSV, JSON, XML, YAML, TSV, and Excel (XLSX) formats. You can convert between any of these formats, with automatic type detection for dates, numbers, and booleans.

How many data rows can be processed?

The data tools can handle up to 500,000 rows in CSV format and 100,000 rows in JSON format. Processing uses Web Workers to maintain UI responsiveness with large datasets.

Can I filter and sort data before exporting?

Yes, you can filter data by column values, sort by multiple columns, and remove duplicates before exporting. The tools also support pivot table generation and statistical summaries (sum, average, min, max, count).

🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.

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