Excel to JSON Converter
Turn any spreadsheet into clean JSON with this free Excel to JSON converter. Pick a sheet, edit the grid, then copy or download an array of objects.
How to convert Excel to JSON
Choose your Excel file
Drag in an .xlsx or .xls file, or click to select one. It is read on your device, so nothing leaves your browser.
Pick a sheet and set the header
If the workbook has more than one sheet, choose the one you want. Keep First row is the header on for an array of objects, or turn it off for a plain array of rows.
Edit the data if you need to
Click any cell to change it. Right-click a column letter or row number to insert, move, or delete. The JSON preview updates as you go.
Copy or download the JSON
Click Copy JSON to grab it, or Download .json to save the file. Numbers and true or false values stay real JSON types.
Why convert Excel to JSON?
A spreadsheet is how most people keep data. Rows and columns are easy to read and easy to edit. JSON is the opposite. It is what code, APIs, and databases actually speak, but it is a pain to write by hand from a sheet full of records.
That gap is the reason to convert. You have a list in Excel, a client roster, a product catalog, a set of test fixtures, and you need it as JSON to feed an API, seed a database, or drop into a config file. This Excel to JSON converter reads your workbook and builds the JSON for you. Keep the first row as the header and you get an array of objects with real keys. Turn that off and you get a raw array of arrays. Numbers stay numbers and true or false stay booleans, so you are not stuck cleaning up quoted values afterward.
It all runs in your browser. Your file is never uploaded, which matters when the sheet holds customer records or anything private. It reads every sheet in the workbook, so you can switch tabs and export each one. Fix a value, rename a header, then copy the JSON or download a .json file.
What this Excel to JSON converter gives you
Reads every sheet
Multi-tab workbook? Switch between sheets with one dropdown and export each one as its own JSON.
Editable grid before export
Rename a header, fix a value, or add and remove rows and columns before you convert. What you see is what you get.
Objects or arrays
Keep the header row for an array of objects with named keys, or turn it off for a raw array of arrays. Your call.
Keeps real data types
Numbers stay numbers and true or false stay booleans, so your JSON is ready to use, not a wall of quoted strings.
Copy or download .json
Copy the JSON straight to your clipboard, or save a .json file. A live preview shows exactly what you will get.
Free and in your browser
No account, no watermark, no row limit, and no upload. Your file stays on your machine.
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Excel to JSON Converter FAQ
How do I convert Excel to JSON?
Open the Excel to JSON converter, choose your .xlsx or .xls file, and pick the sheet you want. Your data shows up in an editable grid with a live JSON preview. Fix anything you need to, then click Copy JSON or Download .json. It all happens in your browser.
Can Excel export JSON directly?
No. Excel has no built-in JSON export, so you need a converter to make the jump. This tool does it in a couple of clicks. It reads your sheet, keeps numbers and booleans as real types, and gives you an array of objects or a raw array of rows.
How do I convert an xlsx to a JSON array of objects?
Upload the xlsx and keep the First row is the header option on. Each header cell becomes a key and each row below becomes an object, so you get a clean array of objects. Turn the option off if you would rather export a plain array of arrays.
Is this Excel to JSON converter free?
Yes. It is free with no account, no watermark, and no limit on how much you convert. There are no paid tiers and no signup wall. You can use it as often as you like.
Does converting Excel to JSON keep number types?
Yes. Numbers stay numbers and true or false values stay booleans in the JSON, instead of being wrapped in quotes as text. That means the output is ready to feed an API or a database without extra cleanup on your end.
Does it upload my file?
No. Everything runs inside your browser on your own device. The file is never sent to a server, so private data like customer records stays with you. It also keeps working if your connection drops after the page loads.