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Manifest Validator Pro

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Overview

Audits MV3 extensions (.zip, .crx, .rar or folder): finds errors, warnings and tips to publish on the Chrome Web Store.

# Manifest Validator Pro 🚀 **Manifest Validator Pro** is an advanced auditing tool for **Chrome Web Store (Manifest V3)** extensions. Validate your extension directly in your browser before publishing and identify potential issues that could lead to rejection. Simply upload a **.zip**, **.crx**, **.rar** file, or select an extension folder to receive a comprehensive validation report with **ERROR**, **WARN**, **INFO**, and **OK** statuses. Developed for extension creators who want to publish with confidence, improve quality, and stay aligned with Chrome Web Store requirements. ## ✨ Key Features ✔️ Validate the **manifest.json** structure and required fields ✔️ Check icons, permissions, background scripts, content scripts, and web accessible resources ✔️ Detect common Chrome Web Store policy compliance issues ✔️ Analyze package size for **ZIP**, **RAR**, **CRX**, and unpacked extension folders ✔️ Audit installed extensions using the **chrome.management** API ✔️ Privacy and request analysis powered by **declarativeNetRequest** ✔️ Export reports to **CSV**, **Markdown**, **TXT**, and **JSON** ✔️ Available in **49 languages** ✔️ Modern interface with **Dark Mode** ## 📊 Validation Report Every scan generates an organized report with four categories: 🔴 **ERROR** – Critical issues that should be fixed before publishing. 🟡 **WARN** – Potential problems or best practice recommendations. 🔵 **INFO** – Helpful information about your extension. 🟢 **OK** – Successfully validated items. ## 🔗 Resources **GitHub Repository** [https://github.com/RafaelLimaceb/manifest-validator-pro](https://github.com/RafaelLimaceb/manifest-validator-pro) **Official Website** [https://www.cheatenginebrasil.com.br](https://www.cheatenginebrasil.com.br) **Instagram** [https://www.instagram.com/rafael_limacg/](https://www.instagram.com/rafael_limacg/) **Privacy Policy** [https://www.cheatenginebrasil.com.br/ucp.php?mode=privacy](https://www.cheatenginebrasil.com.br/ucp.php?mode=privacy) ## ❤️ Support the Project Manifest Validator Pro is **free and open source**. If this extension helps you build better Chrome extensions, consider supporting future development with a PayPal donation: [https://www.paypal.com/donate/?hosted_button_id=ADLEQEAM8NZNE](https://www.paypal.com/donate/?hosted_button_id=ADLEQEAM8NZNE) Every contribution helps improve the project and add new validation features. ## 🔒 Privacy & Permissions Your privacy comes first. Manifest Validator Pro **does not collect, store, transmit, or sell any personal data**. The requested permissions (**storage**, **management**, and **declarativeNetRequest**) are used exclusively to: * Analyze installed extensions. * Perform manifest and package validation. * Provide privacy and request inspection tools. * Save your local preferences and settings. All analysis is performed **locally on your device**. No extension files or personal information are uploaded to external servers. For more information, please review the Privacy Policy.

Details

  • Version
    2.0.0
  • Updated
    August 10, 2026
  • Size
    474KiB
  • Languages
    48 languages
  • Developer
    Website
    Email
    rafaellima.enterjovem@gmail.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

Support

For help with questions, suggestions, or problems, please open this page on your desktop browser

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