Here is a list of useful browser extensions that you can use in bug bounty hunting to enhance your web security.
Extensions | Description | Chrome | Firefox |
Wappalyzer | A technology profiler that identifies the technologies used on websites, from CMS to JavaScript libraries. | Chrome Extension | Firefox Extension |
Hackbar | A browser extension for penetration testing, available for Chrome and Firefox. | Chrome Extension | Firefox Extension |
FoxyProxy Standard | Simplify proxy server access in browsers with rules and quick switch options. | Chrome Extension | Firefox Extension |
OWASP Penetration Testing Kit | Simplify application security with in-browser DAST and SCA scanning for vulnerabilities. | Chrome Extension | Firefox Extension |
KNOXSS Community Edition | Tool for XSS (Cross-Site Scripting) discovery. | – | Firefox Extension |
Retire.js | Scan web apps for vulnerable JavaScript libraries and identify outdated versions. | Chrome Extension | Firefox Extension |
Trufflehog | Extension for automatically detecting API keys and credentials on websites. | Chrome Extension | Firefox Extension |
DotGit | Detect exposed .git directories and other vulnerabilities on visited websites. | Chrome Extension | Firefox Extension |
Bishop Vulnerability Scanner | Background scanner for exposed version control systems and misconfigured admin tools. | Chrome Extension | – |
Modheader | Modify HTTP headers, response headers, and URLs with advanced options for Chrome and Firefox. | Chrome Extension | Firefox Extension |
HackTools | Facilitate web app penetration tests with cheat sheets and tools like XSS payloads and reverse shells. | Chrome Extension | Firefox Extension |
Request Maker | Capture, modify, and make HTTP requests for penetration testing and analysis. | Chrome Extension | Firefox Extension |
Shodan | Find where websites are hosted, IP owners, and open services/ports. | Chrome Extension | Firefox Extension |
Hunter | Quickly find email addresses on websites with a single click. | Chrome Extension | Firefox Extension |
Open Multiple URLs | Open multiple web pages in new tabs from a plain-text list. | Chrome Extension | Firefox Extension |
Cookie-Editor | Create, edit, and delete cookies for the current tab, ideal for privacy and development. | Chrome Extension | Firefox Extension |
S3 Bucket List | Record Amazon S3 bucket exposures while browsing with this Chrome extension. | GitHub | GitHub |
Mitaka | Search IP, domain, URL, hash, and more via the context menu using this browser extension. | Chrome Extension | Firefox Extension |
d3coder | An extension for encoding and decoding text using base64, rot13, and more. | Chrome Extension | – |
Wappalyzer
Wappalyzer is a technology profiler that offers a comprehensive view of websites. This extension reveals crucial information such as the content management system (CMS) used, frameworks, e-commerce platforms, JavaScript libraries, and more. Wappalyzer is not limited to CMS or framework detection; it identifies over a thousand technologies across various categories, making it an invaluable tool for web developers and tech enthusiasts.
Extension – Chrome Extension | Firefox Extension
Hackbar
Hackbar is a browser extension tailored for penetration testing. It’s available for both Chrome and Firefox and can be a handy tool for ethical hackers and security researchers.
Extension – Chrome Extension | Firefox Extension
FoxyProxy Standard
FoxyProxy simplifies configuring browsers to access proxy servers. It offers features like auto-switching based on URL rules, data import/export, and online rule lists. This extension is ideal for users who require proxy functionality.
Extension – Chrome Extension | Firefox Extension
OWASP Penetration Testing Kit
This browser extension simplifies your day-to-day tasks related to application security. It offers in-browser runtime Dynamic Application Security Testing (DAST) and Software Composition Analysis (SCA) scans to detect vulnerabilities like SQL Injections, Command Line Injections, and more. It’s a must-have for penetration testers and security-conscious users.
Extension – Chrome Extension | Firefox Extension
KNOXSS
KNOXSS Community Edition is a FREE standalone version of KNOXSS browser add-on designed to find the main XSS (Cross-Site Scripting) cases.
Extension – Firefox Extension
Retire.js
Retire.js is a tool designed to scan web applications for vulnerable JavaScript libraries. Its primary goal is to help you identify the use of outdated libraries with known security vulnerabilities. This extension is based on an open-source project and is a valuable addition to your development toolkit.
Extension – Chrome Extension | Firefox Extension
Trufflehog
Trufflehog is a Chrome extension that helps identify API keys and credentials on websites you visit. This is a valuable tool for penetration testers and code reviewers, as it automates the detection of sensitive information that might otherwise be overlooked.
Extension – Chrome Extension | Firefox Extension
DotGit
DotGit is a versatile extension that checks if the .git directory is exposed on visited websites. It can also check for other security-related issues and offers features such as downloading entire .git folders.
Extension – Chrome Extension | Firefox Extension
Bishop Vulnerability Scanner
Bishop is a vulnerability scanner that operates in the background while you browse, searching for exposed version control systems and misconfigured administrative tools. It includes a whitelisting feature to focus on authorized hosts.
Extension – Chrome Extension
Modheader
Modheader allows you to modify HTTP request and response headers, as well as redirect URLs. It’s a powerful tool for customizing your browsing experience and enhancing web development.
Extension – Chrome Extension | Firefox Extension
HackTools
HackTools is a web extension designed for web application penetration tests. It includes cheat sheets and a range of tools, such as XSS payloads and reverse shells, to assist with testing web applications.
Extension – Chrome Extension | Firefox Extension
Request Maker
Request Maker is a penetration testing tool that allows you to capture, modify, and make HTTP requests easily. It’s ideal for web security professionals who need to interact with web applications for testing and analysis.
Extension – Chrome Extension | Firefox Extension
Shodan
The Shodan plugin is a valuable tool for identifying where a website is hosted, who owns the IP, and what services/ports are open. It’s particularly useful for reconnaissance and information gathering.
Extension – Chrome Extension | Firefox Extension
Hunter
Hunter is an extension that lets you find email addresses on websites with a single click. It’s a valuable tool for contact information discovery when visiting websites.
Extension – Chrome Extension | Firefox Extension
Open Multiple URLs
This extension simplifies the process of opening multiple web pages in new tabs. You can paste a list of website addresses in plain text format and customize your options for easy multitab browsing.
Extension – Chrome Extension | Firefox Extension
Cookie-Editor
Cookie-Editor is a tool that allows you to create, edit, and delete cookies for the current tab. It’s a valuable resource for developers, testers, and anyone concerned with privacy.
Extension – Chrome Extension | Firefox Extension
S3 Bucket List
S3BucketList is a Chrome extension that records S3 buckets found while browsing. It offers insights into Amazon S3 bucket exposures, making it a useful tool for security enthusiasts.
Extension – GitHub
Mitaka
Mitaka is a browser extension that facilitates searching for IP, domain, URL, hash, and more via the context menu. It’s a handy tool for quick information retrieval during web research.
Extension – Chrome Extension | Firefox Extension
d3coder
d3coder is an encoding/decoding plugin that simplifies various encoding tasks like base64, rot13, and Unix timestamp conversion. This extension allows you to encode and decode text selections from the context menu, saving you time in your development work.
Extension – Chrome Extension