You may use it to check incoming and outgoing data, as well as monitor and alter requests and replies before they reach the browser. Fiddler also comes with a robust event-based scripting system that you may modify with any.NET Framework language. Making an offline duplicate of the test site with Fiddler and the HTTP replay features might help you debug client-side issues with web applications. You may use these tools to produce offline pictures of the browsing experience.

Bugfender tracks all problems across all devices and provides the findings in seconds, allowing you to detect and repair issues before your users ever see an error notice. Bugfender records more than simply crashes and bugs. It keeps track of everything you'll ever need to get a clear image of your clients and get that all-important five-star rating. Bugfender protects your users' privacy, saves battery and network resources, and logs even when the device is turned off.

You can simply examine increased response time with Scout's easy dashboards, which allow you to dive down into particular endpoints, requests, pathways, and individuals associated with your slowdowns.

Scout's efficient tracking logic displays response time distribution over all requests, allowing you to quickly detect individual sluggish requests that deviate from the norm.

It monitors corporate activity at the network, host, user, and process levels in real-time to help you discover threats like lateral movement, exfiltration, malware infiltration, and ransomware. Extends coverage across endpoints, data centers, and the cloud by adding network visibility to your existing threat detection. With MistNet, Mesh computing is used to increase data collecting and analysis while reducing bandwidth costs.

Wireshark is a protocol analyzer for networks. It allows you to capture and view the traffic on a computer network in real-time. It is one of the world's most popular tools, with a large and strong feature set. It works on a variety of operating systems, including Windows, macOS, Linux, and UNIX. It is used by network professionals, security specialists, developers, and educators all around the world.

When you view a web page, HttpWatch displays the HTTP and HTTPS traffic that is generated. In HttpWatch, choose a request and all you need to know appears in a tabbed window. Cookies, headers, Query Strings, and POST data may all be viewed, searched, and exported in a variety of forms. HttpWatch combines requests into a header for each page, making multi-page actions, such as login, search, and update pages, easier to follow.

Throughout the API lifespan, Postman provides a cloud-based, version-controlled, centralized repository for all API artifacts. The repository is used by all of the Postman platform's tools, ensuring that your APIs have a single source of truth. Through the platform's built-in intelligence capabilities, teams and organizations may gather metrics and derive insights using the API repository. You can better simplify, manage, and scale your whole API lifecycle with the Postman API repository.

Burp Suite is a web application security testing platform and graphical tool that covers the whole testing process, from initial mapping and analysis of an application's attack surface to detecting and exploiting security flaws.

Professional web application security experts and bug bounty hunters use it the most. BurpSuite includes an intercepting proxy that allows the user to view and edit request and response contents while they are in transit.

Bugsee has created a must-have solution for app developers and development teams based on first-hand expertise and experience. Bugsee automatically sends a notice to the bug tracker of your choosing when a problem is reported or an app fails. The Bugsee dashboard then shows all of the critical data that led to the fault, including brief video recordings of the user behaviors that created the problem and other information needed to swiftly and effectively squash the bug.

WireMock is a mock server for HTTP. It's essentially a web server that can be set up to give prefabricated replies to certain requests (stubbing) and records incoming requests for further review (verification). It also includes a number of other helpful capabilities, such as the ability to record and replay interactions with other APIs, insert errors and delays, and simulate stateful behavior. It may be used as a library by any JVM program or executed as a standalone process.

RapidAPI has a beautiful native macOS interface to compose requests, inspect server responses, generate client code and export API definitions. Send all kinds of HTTP requests! Test and iterate on your own APIs or explore new ones.

Keep everyone on the same page. Synchronize your API test configurations, make conflict-free changes and get real-time updates.

Defects that leave no trace and are masked in 200 HTTP success codes are difficult to detect and painful to debug. Seagence effortlessly detects hidden defects in real time and their root cause.

As your users access your application, Seagence agent collects data about how requests are being processed and feeds to Seagence's backend engine. When a defect occurs, the tool sends you alerts so you can fix your broken code immediately.

Shake is a bug reporting tool for mobile apps that enables faster bug reporting and resolution. It offers user attachments, tags, usage data, activity history, and device details with every bug report.

The data you receive can be customized to fit the specific debugging requirements of your app. Sign up and use Shake for free, forever.

Developers and testers can report a defects in the software directly from the website with all the technical details a developer needs. Reduce the number of time testers and developers spend communicating back and forth. Disbug helps you save time and money.

Before delivering feedback to your project management application, sort it and prioritize it. With screen recordings, pictures, console, and network logs, Disbug offers developers context-rich bug reports.

Insomnia blends a user-friendly interface with complex features such as authentication aids, code creation, and environment variables. Insomnia can write code in more than a dozen different languages. Insomnia saves cookies from each answer and transmits them with requests when they're needed, exactly like a web browser. Cookie storage and transmission are automated. However, under the request settings box, you may adjust this behavior on a per-request basis.

DevTools allows you to change pages on the fly and identify problems rapidly, allowing you to create better websites faster.DevTools includes a variety of tools for a variety of activities, including CSS editing, page load performance measurement, and network request monitoring. You debug JavaScript in the Sources panel. Because various users require quick access to different elements of the DevTools UI, there are many ways to open Chrome DevTools.

You may use this to examine and alter the content and layout of a page. Visualize the page's box model, animations, and grid layouts, among other things. View and interact with messages logged by a web page using JavaScript. Developer Tools' right-hand ellipsis menu provides various commands that allow you to conduct tasks or adjust tool settings. Inspection of service workers and manifests for online apps are included.

Rollbar collects and analyzes errors in web and server applications, so you can find and fix them faster. Collect all your errors: Rollbar installs as a small library to detect errors and collect context about each.

Surface the top issues: Get alerts only when they matter. See everything in one place on the Rollbar dashboard. Find, fix, and resolve: Use our forensics tools to understand, reproduce, and fix.