Excel-to-JSON Localized Excel Add-in Released - Secure Offline Conversion in Excel

We are excited to announce that Excel-to-JSON by WTSolutions has officially released its Localized Excel Add-in! Following the Local App, this is another localized solution that allows you to convert Excel to JSON directly within Excel, without requiring an internet connection.

⚠️ Important Notice: The Localized Excel Add-in is currently in public test phase. If you encounter any difficulties using it, please email [email protected] for assistance.

Why Choose the Localized Excel Add-in?

🔒 Uncompromising Data Security

In today’s digital age, data security is the top concern for both enterprises and individual users. The Localized Excel Add-in provides unparalleled security:

  • Zero data transmission - All data processing is completed locally, never uploaded to any server
  • Zero cloud storage - Sensitive data is never stored on third-party servers
  • Complete privacy protection - Perfect for handling confidential business reports, financial data, customer information, and other sensitive content
  • Compliance assurance - Meets GDPR, enterprise internal data security policies, and various compliance requirements

📊 Deep Excel Integration

Unlike standalone apps that require copy-pasting data, the Localized Excel Add-in integrates deeply with the Excel environment:

  • Direct data selection - Select data directly from Excel worksheets without manual copy-paste
  • Multi-worksheet support - Convert all visible sheets or all sheets in the workbook
  • Seamless operation - Find the conversion button right on Excel’s Home tab
  • Real-time preview - Conversion results displayed directly in Excel’s sidebar

🌐 Fully Offline Operation

The Localized Excel Add-in operates completely offline, free from network constraints:

  • No network dependency - Works without internet connection
  • Work anywhere - Use on flights, in remote areas, or any environment without network access
  • No network latency - All processing done locally for fast response

⚡ Powerful Conversion Features

The Localized Excel Add-in supports all professional conversion features:

Feature Description
Header Selection Choose first row or first column as header
Conversion Mode Flat mode or Nested mode
Nested Key Delimiter Dot (.), Underscore (_), Double underscore (__), or Forward slash (/)
Empty Cell Format Empty string, JSON null, or exclude from JSON
Boolean Format JSON true/false, String “true”/“false”, or Number 1/0
Date Format Number of days from 1900-01-01 or ISO 8601 format
JSON Output Format Array of Objects or 2D Array
Single Object JSON Array [] or Object {}
Custom Filename Specify custom filename when saving

System Requirements

Operating System Requirements

  • Windows 10 or higher
  • MacOS 11 or higher

Excel Requirements

  • Excel 2013 Service Pack 1 or later
  • Excel 2016 for Mac
  • Excel 2016 or later
  • Office 365 / Microsoft 365

Download and Installation

For Windows Users

Please refer to the Usage Guide

For MacOS Users

Please refer to the Usage Guide

How to Use

  1. Prepare your Excel sheet - Open the workbook containing your data in Excel
  2. Click Convert - Find the “Convert” button with Excel to JSON logo on the Home Tab
  3. Choose DataSource - You can:
    • Manually select data directly from Excel worksheet
    • Convert all visible sheets from Excel
    • Convert all sheets from Excel
  4. Set Conversion Settings - Configure conversion settings (header selection, conversion mode, nested key delimiter, etc.)
  5. Click “Go” button - Start conversion
  6. Save JSON - After conversion, you can:
    • Copy and paste JSON from the textarea
    • Click “Copy to Clipboard” button for one-click copy
    • Click “Save As” button to save to local file (not available for Excel for Mac users)

Excel-to-JSON Product Family

Excel-to-JSON by WTSolutions provides a complete Excel to JSON solution for various scenarios:

Web Based Solutions

  • Web App - Convert Excel to JSON directly in web browser
  • Excel Add-in - Convert Excel to JSON in Excel Online, works seamlessly with Excel environment
  • WPS Add-in - Convert WPS workbook to JSON in WPS Online, works seamlessly with WPS environment
  • API - Convert Excel to JSON by HTTPS POST request
  • MCP Service - Convert Excel to JSON by AI Model MCP request

Localized Solutions

  • Local App - Convert Excel to JSON directly on local computer, works without internet connection
  • Local Excel Add-in - Convert Excel to JSON in local Excel (NEW)
  • Local WPS Add-in - Convert WPS workbook to JSON in local WPS, works without internet connection

Pricing

Version Limitation Price
Free Version Up to 6 rows per conversion Free
Pro Version Unlimited conversions One-time purchase for lifetime use

Pro Version Purchase

The Pro Version for localized solutions is a one-time purchase for lifetime use, bound to a single device ID.

Price: $14.99 (excluding tax)

Pro Code Instructions

  • After installing the Localized Excel Add-in, you will see a Device ID in the app
  • This Device ID is required during checkout
  • You will receive a Pro Code by email after purchase
  • Enter the Pro Code to unlock unlimited conversions

FAQ

What’s the difference between Localized Excel Add-in and Web version?

Comparison Localized Excel Add-in Web Version
Data Processing Location Local Cloud
Network Requirement None Required
Data Security Completely secure Data upload required
Excel Integration Deeply integrated Requires copy-paste
Payment Model One-time purchase Subscription

Is it free?

The free version allows up to 6 rows per conversion, suitable for personal use and small-scale operations. The Pro version offers unlimited conversions, ideal for enterprise users and frequent use scenarios.

Can I use the Pro Code on multiple devices?

No. The Pro Code for localized solutions is bound to a single device ID. Each device requires a separate purchase.

Local App vs Local Excel Add-in

Comparison Local App Local Excel Add-in
Usage Standalone application Excel internal add-in
Data Input Copy and paste Direct Excel data selection
Excel Integration None Deep integration
Multi-worksheet Support Need to copy separately Select multiple sheets directly
Use Case Non-Excel environment In-Excel operations

Conclusion

The Excel-to-JSON Localized Excel Add-in is designed for users who prioritize data security. It offers the same powerful conversion features as our web-based solutions, while ensuring your sensitive data never leaves your computer. Whether you’re an enterprise user handling confidential business data or an individual protecting personal information, the Localized Excel Add-in is your best choice.

Download and experience the Localized Excel Add-in today for a secure and efficient Excel to JSON conversion experience!


For more details about conversion settings, please refer to the Pro Features documentation.