Excel to JSON Converter

Turn Excel worksheets, CSV files, TSV data, or pasted spreadsheet cells into JSON records. Use the first row as object keys and download clean JSON for APIs, imports, tests, or data workflows.

FreeNo signupBrowser basedPrivate

Last updated: May 28, 2026

Upload Excel, CSV, or TSV

The file is converted locally

Spreadsheet Paste Input

First row is keysTrim cellsSkip empty rowsPretty JSON

JSON Output

sample.csv · Pasted data · 3 records · 4 columns

[
  {
    "name": "Alice Carter",
    "email": "alice@example.com",
    "plan": "Pro",
    "active": "TRUE"
  },
  {
    "name": "Ben Singh",
    "email": "ben@example.com",
    "plan": "Team",
    "active": "FALSE"
  },
  {
    "name": "Mina Park",
    "email": "mina@example.com",
    "plan": "Enterprise",
    "active": "TRUE"
  }
]

Client-Side Processing

Input Data Stays on Device

Instant Local Execution

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What is Excel to JSON Converter?

Excel to JSON conversion maps spreadsheet rows to JSON objects. The first row usually becomes the property names, and each following row becomes one JSON record. This is useful when you need to move tabular business data into applications, APIs, seed files, static sites, or test fixtures.

This converter supports standard .xlsx files as well as CSV, TSV, and copied spreadsheet cells. You can choose a worksheet, trim cell values, skip empty rows, and output either readable pretty JSON or compact JSON. The conversion is intentionally direct: every cell becomes a string so IDs, phone numbers, postal codes, and leading zeros are preserved.

How to Use Excel to JSON Converter

Upload an .xlsx, .csv, or .tsv file, or paste copied spreadsheet cells.

Select the worksheet when the Excel file has multiple sheets.

Keep "First row is keys" enabled when your sheet has headers.

Choose trim, empty-row, and pretty-print options.

Copy the JSON output or download it as a .json file.

Common Use Cases

Convert spreadsheet exports into JSON seed data for development.
Prepare product catalogs, pricing rows, and content matrices for static sites.
Turn QA test case spreadsheets into JSON fixtures.
Move contact lists or CRM rows into an API payload format.
Convert CSV or TSV reports into JSON for scripting and automation.

Example Input and Output

Spreadsheet rows with headers are converted into an array of JSON objects.

Spreadsheet input

name,email,plan\nAlice,[email protected],Pro\nBen,[email protected],Team

JSON output

[
  {
    "name": "Alice",
    "email": "[email protected]",
    "plan": "Pro"
  },
  {
    "name": "Ben",
    "email": "[email protected]",
    "plan": "Team"
  }
]

Privacy

Uploaded files and pasted cells stay in your browser. The tool does not upload spreadsheet contents to a server.

Data types

The converter preserves cell values as strings. Run the JSON through your application schema or a script if you need typed numbers, booleans, or dates.