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Fiddler vs OWASP Zed Attack Proxy (ZAP)

Professional comparison and analysis to help you choose the right software solution for your needs.

Fiddler icon
Fiddler
OWASP Zed Attack Proxy (ZAP) icon
OWASP Zed Attack Proxy (ZAP)

Fiddler vs OWASP Zed Attack Proxy (ZAP): The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Fiddler OWASP Zed Attack Proxy (ZAP)
Sugggest Score — —
Category Development Security & Privacy
Pricing — Open Source

Product Overview

Fiddler
Fiddler

Description: Fiddler is a free web debugging proxy which logs all HTTP(S) traffic between your computer and the Internet. It allows developers to inspect traffic, set breakpoints, and fiddle with incoming or outgoing data. Fiddler can be used to debug traffic from virtually any application that supports a proxy like web browsers, mobile apps, IoT devices, and more.

Type: software

OWASP Zed Attack Proxy (ZAP)
OWASP Zed Attack Proxy (ZAP)

Description: ZAP is an open-source web application security scanner used to find vulnerabilities in web apps. It offers automated and manual tools to scan APIs, access control weaknesses, injection flaws, XSS, and other issues.

Type: software

Pricing: Open Source

Key Features Comparison

Fiddler
Fiddler Features
  • HTTP/HTTPS traffic interception and inspection
  • Session analysis and manipulation
  • Breakpoints and conditional breakpoints
  • HTTPS traffic decryption
  • Automatic request resending
  • Scripting support
OWASP Zed Attack Proxy (ZAP)
OWASP Zed Attack Proxy (ZAP) Features
  • Spidering and crawling of web applications
  • Passive scanning for analysis of requests and responses
  • Active scanning for vulnerability detection
  • AJAX spidering for crawling of modern web apps
  • Variety of attack tools for penetration testing
  • Extensible via add-ons for advanced functions
  • Built-in proxy for traffic inspection and modification
  • Automated and manual testing options
  • Command line and GUI interfaces
  • Authentication tools for session management
  • Integrations with CI/CD pipelines
  • APIs for integration with other tools
  • Exporting of reports in various formats

Pros & Cons Analysis

Fiddler
Fiddler
Pros
  • Free and open source
  • Powerful debugging features
  • Supports all major platforms
  • Large user community and documentation
Cons
  • Steep learning curve
  • Can slow down traffic
  • Potential privacy concerns with HTTPS decryption
  • Limited native mobile app support
OWASP Zed Attack Proxy (ZAP)
OWASP Zed Attack Proxy (ZAP)
Pros
  • Free and open source
  • Easy to use interface
  • Powerful scanning capabilities
  • Active community support and development
  • Cross-platform compatibility
  • Extensible and customizable via plugins
  • Integrates well with other tools
  • Helps identify a wide range of vulnerabilities
Cons
  • Can generate false positives
  • Limited default policies for authentication
  • Requires expertise to leverage advanced features
  • Not as feature rich as commercial products
  • Lacks official technical support services

Pricing Comparison

Fiddler
Fiddler
  • Not listed
OWASP Zed Attack Proxy (ZAP)
OWASP Zed Attack Proxy (ZAP)
  • Open Source

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Learn More About Each Product

Fiddler
Fiddler
Reviews, pricing & alternatives →
OWASP Zed Attack Proxy (ZAP)
OWASP Zed Attack Proxy (ZAP)
Reviews, pricing & alternatives →

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