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Fiddler Classic vs. Fiddler Everywhere -
Which One to Choose?

Explore the key differences between Fiddler Everywhere and Fiddler Classic
and find the right web debugging tool according to your needs.

	Fiddler Everywhere The modern, cross-platform web debugging proxy, offering advanced features and seamless collaboration.	Fiddler Classic The Windows-only web debugging proxy with limited features, useful for basic traffic capture.
General
Product Type	Paid, Subscription Based	Free
User Interface	Modern, intuitive UI	Traditional Windows UI
Supported Platforms
Windows	available with fiddler everywhere	available with fiddler classic
MacOS	available with fiddler everywhere	not available with fiddler classic
Linux	available with fiddler everywhere	not available with fiddler classic
Product Support
Dedicated Technical Support	available with fiddler everywhere	not available with fiddler classic
Features Development	available with fiddler everywhere	not available with fiddler classic
Patches and Fixes Commitment	available with fiddler everywhere	not available with fiddler classic
Capturing Modes
System Proxy	available with fiddler everywhere	available with fiddler everywhere
Instrumented Browser	available with fiddler everywhere	not available with fiddler classic
Instrumented Terminal	available with fiddler everywhere	not available with fiddler classic
Network Level Capturing	available with fiddler everywhere	not available with fiddler classic
Get logs from someone else’s machine (tech support)	Contact us	available with fiddler classic
Supported Protocols and Technologies
HTTP/1.1	available with fiddler everywhere	available with fiddler classic
HTTP/2	available with fiddler everywhere	not available with fiddler classic
WebSockets	Improved Support	available with fiddler classic
SignalR	available with fiddler everywhere	available with fiddler classic
Server-Sent Events	available with fiddler everywhere	not available with fiddler classic
gRPC	available with fiddler everywhere	not available with fiddler classic
MessagePack	Improved Support	available with fiddler classic
Protobuf	available with fiddler everywhere	not available with fiddler classic
Modify and Generate Traffic
Basic Traffic Replay	available with fiddler everywhere	available with fiddler classic
Advanced Traffic Replay (multiple sessions, multiple times)	available with fiddler everywhere	available with fiddler classic
Traffic Manipulation (Rules/Autoresponder)	Advanced and User Friendly Interface	Fewer options, and using magic strings
Breakpoints	Basic support through Rules	available with fiddler classic
Scripting	not available with fiddler everywhere	available with fiddler classic
Compose HTTP/1.1 requests	available with fiddler everywhere	available with fiddler classic
Compose HTTP/2 requests	available with fiddler everywhere	not available with fiddler classic
Work with Captured Data
Quick search/find	available with fiddler everywhere	available with fiddler classic
Simple Filtering (by grid column)	available with fiddler everywhere	available with fiddler classic
Advanced Filtering (on each component of the session)	available with fiddler everywhere	not available with fiddler classic
Saved Filters (save and reuse filters)	available with fiddler everywhere	not available with fiddler classic
Compare requests	available with fiddler everywhere	available with fiddler classic
Share and Collaborate
Share sessions	available with fiddler everywhere	not available with fiddler classic
Share rules	available with fiddler everywhere	not available with fiddler classic
Share API requests	available with fiddler everywhere	not available with fiddler classic
Security and Compliance
GDPR	available with fiddler everywhere	available with fiddler classic
SOC 2	available with fiddler everywhere	not available with fiddler classic
Enterprise Environment
SSO (Single Sign-On)	available with fiddler everywhere	Not required
Use in air-gapped (isolated) environment	available with fiddler everywhere	available with fiddler classic
Works with VPN and security tools	Improved Support	available with fiddler classic
Policy-driven installation	available with fiddler everywhere	available with fiddler classic
Managed app configuration (MDM profiles and GPOs)	available with fiddler everywhere	not available with fiddler classic
	Try Fiddler Everywhere	Try Fiddler Classic

Frequently Asked Questions

Is Fiddler Classic deprecated?
Fiddler Classic is not deprecated, but it is not in active development and offers no commitments for releases, patches or tech support. By using it, you assume all associated risks. We recommend upgrading to Fiddler Everywhere. 
Is Fiddler Everywhere a replacement for Fiddler Classic?
Fiddler Everywhere offers a more modern, cross-platform solution with advanced features and support for Windows, macOS, and Linux, unlike Fiddler Classic which is tied to a Windows-only environment. Fiddler Everywhere includes great technical advantages such as support for HTTP/2 and TLS1.3, encrypted cloud space, enhanced support for capturing gRPC, SSE, Socket.IO, WebSockets, a more intuitive user interface, collaboration tools, and regular updates, making it in a sense, more of an upgraded and improved version of Fiddler Classic, and the preferred choice for most users moving forward.   
Will I get technical support for Fiddler Classic if I need it?
No, Fiddler Classic does not offer tech support. 
Is there a free version of Fiddler Everywhere available?
There is a free trial available for Fiddler Everywhere to allow users to experience fully the product’s features. Once it expires, users can choose a subscription plan according to their needs.

What kind of customer support is available for Fiddler Everywhere compared to Fiddler Classic?
Fiddler Classic does not offer any customer support, whereas Fiddler Everywhere offers a range of support options, including comprehensive documentation, dedicated tech support by the Fiddler team, regular updates and community forums to help with your whole experience. 
How frequently are updates and new features released for Fiddler Everywhere?
Fiddler Everywhere has regular updates with new features and bug fixes being released every two weeks. Any critical bugs are handled with the highest priority and in such cases patches are released as soon as possible.   
Is there a trial period available for Fiddler Everywhere, and what features are included during the trial?
The trial period allows users to fully explore Fiddler Everywhere’s capabilities before deciding on a subscription. During a period of 10 days, customers can access all the features of the paid version, including enterprise-level capabilities, allowing them to fully explore how the product integrates with their company workflows. Once the trial period expires, users can easily upgrade to a monthly or annual subscription plan, according to their needs.

Product Bundles

DevCraft

Web

Mobile

Document Management

Desktop

Reporting

Testing & Mocking

CMS

UI/UX Tools

Debugging

Free Tools

Fiddler Classic vs. Fiddler Everywhere -Which One to Choose?

Fiddler Everywhere

Fiddler Classic

Frequently Asked Questions

Fiddler Classic vs. Fiddler Everywhere -
Which One to Choose?