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Muhasib – Reverse % & VAT Calculator

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Overview

Instantly reverse percentage increases, extract VAT, and gross-up amounts. Built for accountants & auditors.

Muhasib (محاسب) – The Ultimate Tool for Lebanese Accountants & Auditors Streamline your audit and accounting workflow directly within your browser. Muhasib allows you to instantly reverse percentage increases, extract VAT, and gross-up amounts without leaving your current tab. Key Features: Reverse % Functionality: Easily find the original amount before a percentage increase was applied. Perfect for checking gross amounts from net figures. VAT Extraction & Addition: Toggle instantly between VAT-inclusive and exclusive amounts. Pre-configured for the Lebanese 11% VAT rate. Gross-Up Calculator: Quickly reverse tax and Withholding Tax (WHT) deductions. Includes presets for: Services (7.5%) Rent (10%) Royalties (7.5%) Spotlight UI: Access the calculator anywhere with Cmd+Shift+P (Mac) or Ctrl+Shift+P (Windows). Context Menu: Right-click any number on a webpage to calculate instantly. Audit Trail: Keeps a history of your last 20 calculations locally on your device. Privacy First: No cloud sync, no tracking, and no external data storage. Keyboard Shortcuts: Open Calculator: Cmd+Shift+P (or Ctrl+Shift+P) Navigate: Arrow keys Select: Enter Close: Escape Designed specifically to help auditors and accountants save time and reduce errors.

Details

  • Version
    1.0.3
  • Updated
    February 16, 2026
  • Offered by
    Basheer Chamoun
  • Size
    103KiB
  • Languages
    English (United States)
  • Developer
    Email
    support@amedaz.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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