Software Alternatives, Accelerators & Startups

Insomnia REST VS JSONFormatter.org

Compare Insomnia REST VS JSONFormatter.org and see what are their differences

Insomnia REST logo Insomnia REST

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

JSONFormatter.org logo JSONFormatter.org

Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
  • Insomnia REST Landing page
    Landing page //
    2023-10-05
  • JSONFormatter.org Landing page
    Landing page //
    2022-02-01

Insomnia REST features and specs

  • User-Friendly Interface
    Insomnia REST features a clean and intuitive user interface that makes it easy to create, send, and manage API requests without a steep learning curve.
  • Support for Multiple Protocols
    In addition to REST, Insomnia supports GraphQL and gRPC, making it versatile for developers working with different API protocols.
  • Environment Management
    Insomnia allows you to create and manage multiple environments, making it easier to switch between staging, development, and production settings.
  • Custom Plugins and Themes
    Insomnia supports custom plugins and themes, allowing users to extend its functionality and personalize the interface to suit their workflow.
  • Collaboration Features
    With Insomnia Teams, users can collaborate and share API requests, environments, and other resources, enhancing team productivity.
  • Cross-Platform Availability
    Insomnia is available on multiple platforms, including Windows, macOS, and Linux, providing flexibility for users on different operating systems.

Possible disadvantages of Insomnia REST

  • Resource Heavy
    Some users have reported that Insomnia can be resource-intensive, leading to potential performance issues on lower-end machines.
  • Limited Free Features
    While Insomnia offers a free tier, some of the more advanced features, such as team collaboration and sync capabilities, require a paid subscription.
  • Steeper Learning Curve for Advanced Features
    Although the basic functionalities are user-friendly, mastering the more advanced features might require a steeper learning curve.
  • Dependency on Electron
    Since Insomnia is built on Electron, it might consume more memory and disk space compared to native applications.
  • Complex Plugin System
    While the plugin system is powerful, it can be complex and challenging for users who are not familiar with JavaScript and Node.js.

JSONFormatter.org features and specs

  • User-Friendly Interface
    JSONFormatter.org offers a clean and intuitive interface that makes it easy for users to format, validate, and edit JSON data quickly.
  • Multiple Tools
    The website provides a variety of tools including JSON beautifier, minifier, validator, and converter, which can be helpful for developers working with JSON.
  • Free to Use
    The platform is completely free, which makes it accessible for anyone who needs to format or validate JSON data without any cost.
  • Cross-Platform
    Since it's a web-based tool, it can be accessed from any device with a browser, making it versatile for use across different operating systems.
  • Additional Features
    Beyond JSON formatting, the site also offers tools for HTML, XML, CSV, and other data formats, making it a versatile resource for developers.

Possible disadvantages of JSONFormatter.org

  • No Offline Access
    The tool requires an internet connection to use, which can be a limitation for developers working in environments with limited connectivity.
  • Ads
    The free version of the website includes advertisements, which can be distracting and impact the user experience.
  • Privacy Concerns
    Submitting JSON data to a third-party web service can raise privacy concerns, especially if the data is sensitive or confidential.
  • Dependency on Web Browser
    As a web-based tool, it depends on the performance and reliability of the web browser, which may vary between users and devices.
  • Limited Customization
    The tool does not offer extensive customization options for formatting rules, which might be a drawback for users with specific formatting needs.

Insomnia REST videos

3 Reasons to use Insomnia REST Client in your Exploratory API Testing

More videos:

  • Tutorial - Insomnia REST Client Tutorial

JSONFormatter.org videos

No JSONFormatter.org videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Insomnia REST and JSONFormatter.org)
API Tools
100 100%
0% 0
Development
0 0%
100% 100
Developer Tools
76 76%
24% 24
APIs
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Insomnia REST and JSONFormatter.org

Insomnia REST Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
Product Introduction: Insomnia is a powerful open-source API client designed for simplicity and efficiency and works great as a postman alternative. It supports REST, GraphQL, and gRPC, making it versatile for various API types.
Source: medium.com
Best Postman Alternatives To Consider in 2025
It is a free, open-source platform that boasts a user-friendly interface and robust features like environment and collection management, code snippets, and test automation. Compared to Postman, Insomnia offers a lighter footprint and a more customizable workspace.
Postman Alternatives for API Testing and Monitoring
Insomnia is a user-friendly tool for API development and testing. Insomnia allows creating and sending HTTP and REST requests, like GET, POST, PUT, DELETE, and more. Users can view API responses, including status codes, headers, and body. This enables understanding how the application handles different response scenarios, for efficient debugging.
Top 10 HTTP Client and Web Debugging Proxy Tools (2023)
Insomnia REST is the best alternative for Postman. It has more than 350 open-source plugins, plus GraphQL built-in with multiple protocol support. Since GraphQL is an added value, you can fully automate the entire lifecycle of APIs, build and debug them efficiently and with ease.
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Insomnia by Kong enables you to deliver high-quality APIs through collaboration. This postman alternative also includes testing suites, which allow you to create functional tests and centralize APIs. With this platform’s streamlined API client, sending GraphQL, REST, and SOAP requests are simple. Defining variables such as authentication credentials allows you to manage...
Source: testsigma.com

JSONFormatter.org Reviews

  1. It's my go to tool for JSON

    JSONFormatter.org is an invaluable tool for anyone working with JSON data. Its simple and user-friendly interface makes formatting, validating, and analyzing JSON effortless. The website's clean design allows for easy navigation and top-notch functionality.

    🏁 Competitors: CodeBeautify

Social recommendations and mentions

Based on our record, Insomnia REST should be more popular than JSONFormatter.org. It has been mentiond 129 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.

Insomnia REST mentions (129)

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JSONFormatter.org mentions (27)

  • JSON Diff: Comparing JSON Data Effectively
    JSON Formatter & Validator This tool focuses on formatting JSON data while offering basic diff capabilities. • Features: Validate, format, and compare JSON data. • Use Case: Ideal for developers who need an all-in-one solution. • Website: https://jsonformatter.org How to Use JSON Diff Tools. - Source: dev.to / 6 months ago
  • How to be more productive when learning a new language
    3. JSON Formatter The GeoJSON file I used is super hefty, holding nested geographical information about country border locations as coordinate pairs, and information on country geometry, name etc. There are any number of ways you can show this file to get it to make sense, but I found another online tool that helped me break it down into readable chunks was JSON Formatter. It also helps validate JSON, useful if... - Source: dev.to / 11 months ago
  • Show HN: VS Code Extension to skip the noisy web tools (JSON Prettify, and more)
    Hi HN, Simple online tools on the web have become unnecessary greedy. For example, * https://jsonformatter.org/ displays 7 ads on page load * https://convertcase.net/ had 4 ads plus a Google Vignette. And many more sites do the same thing. It's just noisy, which is why I created this VS Code Extension where you don't need to even leave your editor for your small web operations. I also built a Desktop app and an... - Source: Hacker News / 10 months ago
  • Blasphemous - Stuck at 148.25% - SOLUTION
    Now with your savefile decrypted click the "copy" button on the "output" tab (to the right of the trash can) and proceed to this website: https://jsonformatter.org/ Here you'll make the code more readable so paste what you've copied on the left box and click on the button on the middle that says "Format/Beautify". Then go to the box on the right where the code should be nice and pretty now and (once again) copy... Source: over 1 year ago
  • Selfhosted Prettyprint/Encoder/Decoder/Validator/Utility thing?
    I find myself using various online converters - prettyprint, URLencode/decode, HTML entity converter JSON validator, etc. I could whip these out in a CLI tool, but pasting to a web page is faster (for one thing, no need to remember all the various command semantics, deal with escaping, argument length limitations, etc). Something like https://jsonformatter.org. However, I don't like the idea of putting my data out... Source: about 2 years ago
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What are some alternatives?

When comparing Insomnia REST and JSONFormatter.org, you can also consider the following products

Postman - The Collaboration Platform for API Development

JSON Editor Online - View, edit and format JSON online

Hoppscotch - Open source API development ecosystem

JSONLint - JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.

RapidAPI for Mac - Paw is a REST client for Mac.

JSON Formatter & Validator - The JSON Formatter was created to help with debugging.