Software Alternatives, Accelerators & Startups

JSONLint VS Thunder Client

Compare JSONLint VS Thunder Client and see what are their differences

JSONLint logo JSONLint

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

Thunder Client logo Thunder Client

Rest API client for VS Code, lightweight Postman alternative
  • JSONLint Landing page
    Landing page //
    2023-06-18
  • Thunder Client Landing page
    Landing page //
    2023-10-05

JSONLint features and specs

  • User-Friendly Interface
    JSONLint offers a simple and intuitive web interface that makes it easy to validate JSON data without the need for advanced technical skills.
  • Error Highlighting
    The tool highlights exactly where the errors are in the JSON data, making it easier to identify and correct mistakes quickly.
  • Free to Use
    JSONLint is freely accessible to anyone with an internet connection, making it a cost-effective solution for validating JSON data.
  • JSON Formatter
    In addition to validating JSON, JSONLint also offers functionality to format and beautify JSON data, improving readability.
  • Quick Processing
    The tool processes JSON data quickly, providing almost instant feedback which is useful during development and debugging.

Possible disadvantages of JSONLint

  • Internet Connection Required
    JSONLint is a web-based tool, so it requires an active internet connection to function, which can be a limitation in offline environments.
  • Basic Features
    While JSONLint is excellent for simple validation and formatting, it lacks more advanced features like schema validation or integration with development environments.
  • No API
    JSONLint does not offer an API for programmatic access, limiting its use in automated workflows and larger development pipelines.
  • Ads on the Website
    The website includes advertisements, which can be distracting for users and might affect the user experience.
  • Limited Customization
    The tool does not offer much in terms of customization options for how errors are displayed or how JSON is formatted, which might not meet all user needs.

Thunder Client features and specs

  • User-Friendly Interface
    Thunder Client offers a clean and intuitive interface that makes it easy for users to create and manage API requests without getting overwhelmed by complex features.
  • VS Code Integration
    Being an extension for Visual Studio Code, it is convenient for developers who already use VS Code, enabling seamless API testing within their development environment.
  • Lightweight
    Compared to other API testing tools, Thunder Client is lightweight, making it ideal for users who need a quick and simple solution for testing APIs without extensive configuration.
  • Environment Variables
    The tool allows the use of environment variables, enabling users to manage different environments effectively and switch between them easily.
  • Support for Collections
    Supports organizing requests into collections, allowing for efficient management and categorization of related requests.

Possible disadvantages of Thunder Client

  • Limited Advanced Features
    Thunder Client lacks some of the advanced features found in more robust API testing tools, such as automation scripts and extensive plugin support.
  • Dependency on VS Code
    As a VS Code extension, it requires Visual Studio Code to run. This dependency can be a drawback for users who prefer other code editors or standalone applications.
  • No Collaboration Features
    Unlike some other API testing tools, Thunder Client does not have built-in collaboration features, which can limit its use in team environments.
  • Platform Specific
    It is primarily designed for use within Visual Studio Code, which may not be ideal for users who work across multiple platforms or require a standalone solution.

JSONLint videos

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Thunder Client videos

Thunder Client - API testing right inside VSCode

More videos:

  • Review - Do you really need Postman? | Use Thunder Client - VSCode extension | Easy & Lightweight
  • Review - Thunder client - Vscode extension | Say no to Postman

Category Popularity

0-100% (relative to JSONLint and Thunder Client)
Development
100 100%
0% 0
Developer Tools
44 44%
56% 56
Image Optimisation
100 100%
0% 0
APIs
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare JSONLint and Thunder Client

JSONLint Reviews

We have no reviews of JSONLint yet.
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Thunder Client Reviews

Best Postman Alternatives To Consider in 2025
This free, feature-rich extension integrates seamlessly with VSCode, making it ideal for developers who prefer a unified environment. Thunder Client offers collection management, environment variables, and basic automation capabilities. It stands out for its tight integration with VSCode's debugging tools.
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Thunder Client is a Vscode Postman alternative that runs as a Visual Studio Code extension (not open source). Its design focuses on simple and efficient HTTP clients while constructing or connecting with APIs. Thunder Client can handle a wide range of API requests. It effectively processes immense amounts of data simultaneously while not slowing down the VS Code program.
Source: testsigma.com
Top 5 Postman alternatives
Thunder Client is a VS Code extension focusing on being a simple and efficient HTTP client while building or integrating with APIs. It supports collections as a way to group relevant requests. Moreover, ThunderClient supports the concept of Environment and Environment Variables to store and re-use values within multiple requests. Finally, ThunderClinet offers a UI that you...
Source: testfully.io

Social recommendations and mentions

Based on our record, JSONLint seems to be more popular. It has been mentiond 135 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.

JSONLint mentions (135)

  • How to Store Multi-Line Strings in JSON
    Or paste your JSON into JSONLint. Both tools immediately identify stray control characters. - Source: dev.to / 29 days ago
  • Chapter 1: setup, CSS, version control and SASS
    Our old pal VS Code will probably throw up some wiggly red lines if we do it wrong, so look out for them. If you're struggling to see why it doesn't work, try an online JSON Validator and see if it pushes you in the right direction. - Source: dev.to / 3 months ago
  • JSON Unescape: Understanding and Using It Effectively
    Online Tools: Platforms like JSONLint and FreeFormatter allow users to paste JSON data and unescape it with a click. - Source: dev.to / 4 months ago
  • Mastering JSON: How to Parse JSON Like a Pro
    Most APIs love JSON; it's their go-to language. Getting the hang of its structure can help keep your boat afloat in this sea of code. JSON mistakes can have you drifting off course, so it's good practice to validate your JSON using tools like this handy validator. It's like having a spell-check for your syntax, ensuring your JSON is shipshape before you set sail with tests. - Source: dev.to / 5 months ago
  • A little help with some server side work please
    You could, but just as easy to put it here - https://jsonlint.com/. Source: over 1 year ago
View more

Thunder Client mentions (0)

We have not tracked any mentions of Thunder Client yet. Tracking of Thunder Client recommendations started around Mar 2021.

What are some alternatives?

When comparing JSONLint and Thunder Client, you can also consider the following products

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

Postman - The Collaboration Platform for API Development

JSON Editor Online - View, edit and format JSON online

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.

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

EchoAPI - Next-gen API development collaboration platform. More than just API design, debug, test, load-testing, and mock.