Convert XLS to JSON Online — Free & Fast | AnyConv

XLS to JSON Converter

Quickly convert multiple xls files to json — free & online.

Drag & drop your files here or click to upload

How to convert XLS to JSON online

Follow these simple steps to convert xls files to json using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your XLS file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your XLS into JSON. The process usually takes just a few seconds.

Download your JSON

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a XLS file?

XLS is the proprietary spreadsheet format used by Microsoft Excel prior to the introduction of XLSX in 2007. It uses a binary file structure and supports formulas, charts, macros, and formatting.

XLS files remain widely compatible and are still used in many organizations. However, XLSX offers better performance and security.

How to open XLS files

XLS files can be opened using Microsoft Excel, Google Sheets, LibreOffice Calc, and other spreadsheet applications. They support charts, formulas, and formatting.

To ensure compatibility and security, convert XLS to XLSX or ODS using AnyConv or within Excel itself.

Key facts about XLS

  • Full name: Microsoft Excel Binary File Format
  • Extension: .xls
  • MIME type: application/vnd.ms-excel
  • Developed by: Microsoft
  • Initial release: 1987

Useful links and resources

What is a JSON file?

JSON (JavaScript Object Notation) is a lightweight data format used to store and exchange structured information. It is both human-readable and easy for machines to parse, making it ideal for APIs and configuration files.

JSON is widely used in web development, databases, and data science due to its flexibility and support in almost every programming language.

How to open JSON files

JSON files can be opened with any text editor or IDE like VS Code, Sublime Text, and Notepad++. They are also readable by web browsers and command-line tools.

Convert JSON to CSV, XML, or YAML using AnyConv or developer tools tailored for structured data formats.

Key facts about JSON

  • Full name: JavaScript Object Notation
  • Extension: .json
  • MIME type: application/json
  • Developed by: Douglas Crockford
  • Initial release: 2001

Useful links and resources

Convert to JSON

Want to get a file in JSON format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into JSON.

❓ Frequently Asked Questions

Answers to common questions about converting XLS to JSON
  • Do I need to register to convert XLS files?
    Not at all! You can convert XLS to JSON without signing up or installing anything.
  • Is it safe to convert XLS to JSON on AnyConv?
    Absolutely. All XLS and JSON files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting XLS to JSON?
    We do our best to preserve the original quality during XLS to JSON conversion. The result is accurate and clean.
  • How long does it take to convert XLS to JSON?
    Most conversions from XLS to JSON take just a few seconds — even for larger files.
  • Can I upload more than one XLS file?
    Yes, batch conversion is supported. You can convert multiple XLS files to JSON at once — fast and easy.
  • What browsers support XLS to JSON conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting XLS to JSON on any platform.