Software Alternatives, Accelerators & Startups

JSFiddle VS Requestly

Compare JSFiddle VS Requestly and see what are their differences

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JSFiddle logo JSFiddle

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

Requestly logo Requestly

A Powerfulย API Mockingย andย Testingย Tool
  • JSFiddle Landing page
    Landing page //
    2022-07-11
  • Requestly Requestly
    Requestly //
    2025-02-12
  • Requestly Rest Client
    Rest Client //
    2025-02-12
  • Requestly HTTP Interceptor
    HTTP Interceptor //
    2025-02-12
  • Requestly API Mocking
    API Mocking //
    2025-02-12
  • Requestly Requestly
    Requestly //
    2025-02-12

Requestly is a modern and powerful companion for API Development and Testing. It is an open-source tool purpose-built to speed up and simplify API development workflow for developers and QAs. It is a combination of API Client and HTTP Interceptor that helps create and share API Contracts, testing APIs, and easily mock and integrate them into web and mobile apps.

JSFiddle

Pricing URL
-
$ Details
-
Platforms
-
Release Date
-

Requestly

$ Details
freemium
Platforms
Google Chrome Firefox Edge Safari Brave Opera Vivaldi Android Windows Linux Mac OSX MacOS
Release Date
2021 January
Startup details
Country
United States
State
California
Founder(s)
Sachin Jain, Sagar Soni, Sahil Gupta
Employees
20 - 49

JSFiddle features and specs

  • Easy Sharing and Collaboration
    JSFiddle allows users to share and collaborate on code snippets effortlessly by generating unique URLs for each project.
  • Real-Time Editing
    Changes made to HTML, CSS, and JavaScript are displayed in real-time, providing instant feedback and streamlining the development process.
  • Supports Multiple Frameworks
    JSFiddle supports various JavaScript frameworks and libraries such as jQuery, Vue.js, and React, allowing developers to experiment with different technologies.
  • Embed Feature
    Users can embed their fiddles directly into websites or blogs, enabling easy demonstration of code and concepts.
  • Version Control
    JSFiddle offers version control, allowing users to save different versions of their code and revert to previous versions if needed.

Possible disadvantages of JSFiddle

  • Limited Backend Support
    JSFiddle is primarily focused on frontend development and does not provide robust backend development capabilities.
  • Performance Issues
    With complex or resource-intensive projects, JSFiddle can experience performance lag, impacting the user experience.
  • Basic IDE Features
    Compared to full-fledged Integrated Development Environments (IDEs), JSFiddle lacks advanced features such as code linting, debugging tools, and extensive plugins.
  • File Management
    JSFiddle does not offer comprehensive file management, making it challenging to work on larger projects with multiple files.
  • Dependency Management
    Managing dependencies can be cumbersome, as JSFiddle does not provide built-in tools to handle package management seamlessly.

Requestly features and specs

  • Redirect URL
  • Block Network Requests
  • Modify Request & Response Header
  • Modify Response
  • Supercharge Selenium
  • Session Replay
  • Modify Query Params
  • Team Workspace
  • API Client
  • API Mocks
  • GraphQL Support
  • Zero Setup
  • Auto Capture Sessions
  • Network Logs
  • Console Logs

Analysis of JSFiddle

Overall verdict

  • JSFiddle is a highly useful and reliable tool for web developers looking for a quick and easy way to test and share code snippets. Its ease of use and collaborative features make it a popular choice in the developer community.

Why this product is good

  • JSFiddle is widely used for testing and showcasing user-created HTML, CSS, and JavaScript code.
  • It provides a simple interface to quickly collaborate and share code snippets.
  • Real-time collaboration features make it easier to work with others.
  • Supports various JavaScript frameworks and extensions, enhancing flexibility.
  • Allows saving and managing public or private code snippets for future reference.

Recommended for

  • Web developers needing a fast way to prototype and demonstrate web functionality.
  • Educators and students in fields related to web development and programming.
  • Teams looking for an online collaborative platform for frontend code examples.
  • Individuals wanting to share code examples with others or ask for debugging help.

Analysis of Requestly

Overall verdict

  • Requestly is generally regarded as a good tool due to its comprehensive functionalities and ease of use. Its ability to seamlessly manage network requests makes it suitable for both beginners and experienced developers.

Why this product is good

  • Requestly is widely considered a valuable tool because it offers robust and flexible features for intercepting and modifying network requests. Developers and QA testers appreciate it for its ability to simulate and debug API calls efficiently. It is particularly useful for testing changes without altering the codebase and for working with web applications in development and production environments.

Recommended for

  • Developers looking to debug and test API endpoints.
  • Quality Assurance (QA) teams that require reliable testing tools for web applications.
  • Technical professionals who manage network traffic and need to modify or redirect requests effortlessly.
  • Anyone involved in web development who needs to simulate network conditions or test application behavior under different scenarios.

JSFiddle videos

Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y

More videos:

  • Review - 1.3 Using JSFiddle to Create a Simple Web Page

Requestly videos

Get Started with Requestly

More videos:

  • Demo - Session Replays by Requestly
  • Tutorial - Modify API Response using Requestly Chrome Extension
  • Tutorial - How to load local JS file in production sites for faster debugging (Map Local Tool)
  • Tutorial - Report Quality Bugs with Video, Network logs, Console logs & Environment details

Category Popularity

0-100% (relative to JSFiddle and Requestly)
Text Editors
100 100%
0% 0
Developer Tools
0 0%
100% 100
Programming
100 100%
0% 0
Testing
0 0%
100% 100

Questions & Answers

As answered by people managing JSFiddle and Requestly.

Who are some of the biggest customers of your product?

Requestly's answer:

  • Verizon
  • AT&T
  • Adobe
  • Salesforce
  • Telegraph
  • Intuit
  • Verizon

How would you describe the primary audience of your product?

Requestly's answer:

Front-end developers, QAs, PMs, Digital Marketers

What makes your product unique?

Requestly's answer:

Requestly is an open-source API development and testing tool that combines the capabilities of an API Client and HTTP Interceptor, making it a better alternative to Postman + Charles Proxy. It simplifies API mocking, request modification, and debugging with an intuitive no-code interface, enabling developers and QAs to test APIs efficiently.

User comments

Share your experience with using JSFiddle and Requestly. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare JSFiddle and Requestly

JSFiddle Reviews

8 Best Replit Alternatives & Competitors in 2022 (Free & Paid) - Software Discover
Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle โ€“ code playground.
12 Best Online IDE and Code Editors to Develop Web Applications
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
Source: geekflare.com
6 Coding Playgrounds For Web Developers
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating quirk of JSFiddle is its run button, sometimes clicking on it doesnโ€™t work, so youโ€™ll have to click a couple more times before it actually runs the code (and...

Requestly Reviews

Comparing Charles Proxy, Fiddler, Wireshark, and Requestly
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We have also clearly differentiated how Requestly differs from Wireshark and other web debugging tools like Proxyman, Modheader, and HTTP ToolKit separately.
Source: dev.to

Social recommendations and mentions

Based on our record, JSFiddle should be more popular than Requestly. It has been mentiond 203 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JSFiddle mentions (203)

  • HTML Made Easy: A Beginner-Friendly Introduction
    Coding is like learning a new languageโ€”you must practice by writing code, not just reading about it. Use free online editors like CodePen, JSFiddle, or Replit to experiment. - Source: dev.to / 12 months ago
  • Can I Build Useful Projects with Only HTML and CSS?
    As you embark on these projects, take your time to familiarize yourself with HTML tags and CSS properties. Use online tools like CodePen or JSFiddle to experiment with your code and visualize your results. - Source: dev.to / about 1 year ago
  • Imagine telling 2010 devs that in 2025, collapsing a div would require $8M
    > This specific example, https://jsfiddle.net, is not a monopoly and has many suitable replacements (e.g. https://livecodes.io/, https://liveweave.com). The other two don't even have sidebars... They are suitable replacements in the same way that crickets are a suitable replacement for beef โ€“ It'll get the job done. But often the customer wants more, like the whole experience, and jsfiddle does have a... - Source: Hacker News / over 1 year ago
  • HTML Basics: A Beginner's Guide
    Open a code editor (or an online editor like CodePen or JSFiddle) and try this:. - Source: dev.to / over 1 year ago
  • Embedding JSFiddle in dev.to Articles
    Save your work to get a unique URL like https://jsfiddle.net/yourusername/yourfiddleID/. - Source: dev.to / over 1 year ago
View more

Requestly mentions (35)

  • Why You Need a Local-First API Client (With Hands-On Example)
    If you want to try a local-first workflow, you can start using Requestly here: https://requestly.com. - Source: dev.to / 7 months ago
  • How to use Cursor to Generate API Testcases in Requestly
    Thatโ€™s where automation changes the game. By pairing Cursor, an AI-powered coding assistant, with Requestly's local-first API testing and mocking platform, you can offload the grunt work of writing tests to AI while keeping execution secure and reproducible on your own system. In this article, weโ€™ll walk through how to set up Cursor with Requestly, generate test cases automatically, and run them end-to-end so that... - Source: dev.to / 7 months ago
  • These 20 Awesome API Clients Will Change How You Work with APIs
    Requestly is a versatile browser extension and web client used to intercept, mock, and debug APIs in real-timeโ€”perfect for frontend developers. - Source: dev.to / about 1 year ago
  • Best Tools for GraphQL Development in 2025
    Requestly is a powerful tool for modifying GraphQL responses, intercepting requests, and debugging API interactions. It allows developers to tweak request bodies, capture GraphQL traffic, and share sessions for easier debugging and collaboration. - Source: dev.to / over 1 year ago
  • How Not to Use AI in Software Development
    Learn more at https://requestly.com/. - Source: dev.to / over 1 year ago
View more

What are some alternatives?

When comparing JSFiddle and Requestly, you can also consider the following products

CodePen - A front end web development playground.

Postman - The Collaboration Platform for API Development

CodeSandbox - Online playground for React

Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.

Hoppscotch - Open source API development ecosystem