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JSON Formatter & Validator VS Thunder Client

Compare JSON Formatter & Validator VS Thunder Client and see what are their differences

JSON Formatter & Validator logo JSON Formatter & Validator

The JSON Formatter was created to help with debugging.

Thunder Client logo Thunder Client

Rest API client for VS Code, lightweight Postman alternative
  • JSON Formatter & Validator Landing page
    Landing page //
    2021-10-08
  • Thunder Client Landing page
    Landing page //
    2023-10-05

JSON Formatter & Validator features and specs

  • User-Friendly Interface
    The website has a clean, intuitive design that makes it easy for users to paste their JSON text and quickly format or validate it.
  • Real-time Validation
    As soon as the JSON data is pasted, it automatically validates and provides errors, helping users quickly identify and fix issues.
  • Clear Error Messages
    The tool provides detailed error messages, which makes it easier for users to understand where their JSON is failing validation.
  • Formatting Options
    It provides options to pretty-print JSON, making data easier to read and analyze.
  • No Installation Required
    Being a web-based tool, it requires no download or installation, making it easily accessible from any browser.

Possible disadvantages of JSON Formatter & Validator

  • Internet Connectivity Required
    Because it is a web-based tool, it requires an internet connection to use, which can be a limitation in offline scenarios.
  • Security Concerns
    Pasting sensitive JSON data into a web-based tool can pose security risks, especially if the data contains confidential information.
  • Limited Advanced Features
    The tool does not offer advanced features such as JSON schema validation or linting capabilities that some developers might need.
  • Performance with Large Files
    The tool might experience lag or performance issues when working with very large JSON files.
  • No API Integration
    It lacks an API for programmatic access, which limits automated workflows and integration into development pipelines.

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.

JSON Formatter & Validator 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 JSON Formatter & Validator and Thunder Client)
Development
100 100%
0% 0
Developer Tools
60 60%
40% 40
APIs
0 0%
100% 100
Image Optimisation
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 JSON Formatter & Validator and Thunder Client

JSON Formatter & Validator Reviews

We have no reviews of JSON Formatter & Validator 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, JSON Formatter & Validator seems to be more popular. It has been mentiond 36 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.

JSON Formatter & Validator mentions (36)

  • Postman Tutorial: A Beginner's Step-by-Step Guide!
    **Note:* Online Post request should have the correct format to ensure that requested data will be created. It is a good practice to use Get first to check the JSON format of the request. You can use tools like https://jsonformatter.curiousconcept.com/. - Source: dev.to / 3 months ago
  • Rest API Testing: How to test Rest APIs properly!
    This can look like this, for example. Postman shows you errors in the JSON structure directly. However, you can test it more precisely with this JSON validator. - Source: dev.to / 11 months ago
  • Homebridge failed to load Config.schema.json
    Did you already validate your json with: JSON VALIDATOR? Source: about 2 years ago
  • 5 useful JSON tools to improve your productivity
    As we've seen in this article, there are many different tools available to help us work with JSON data. From visualizing and exploring data with JSON Crack, formatting it with JSON Formatter & Validator, converting it to other formats like CSV with Konklone.io, and validating it against a schema with JSON Schema — these tools can help make working with JSON data much easier and more efficient. - Source: dev.to / about 2 years ago
  • Beginner's Thread / Easy Questions [February 2023]
    Is there a library to parse json and make an interactive windows something like https://jsonformatter.curiousconcept.com. Source: over 2 years 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 JSON Formatter & Validator 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

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

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 Editor Online - View, edit and format JSON online

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