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JSON Formatter & Validator VS puppeteer

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

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JSON Formatter & Validator logo JSON Formatter & Validator

The JSON Formatter was created to help with debugging.

puppeteer logo puppeteer

Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium...
  • JSON Formatter & Validator Landing page
    Landing page //
    2021-10-08
  • puppeteer Landing page
    Landing page //
    2023-08-02

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.

puppeteer features and specs

  • Headless Browsing
    Puppeteer allows headless browsing, which means you can automate and test web applications without opening a browser user interface, resulting in faster execution and lower resource usage.
  • Full Browser Control
    Enables full control over Chrome or Chromium browsers, allowing for comprehensive browser testing and automation, including taking screenshots, generating PDFs, and capturing web pages.
  • Rich API
    Offers a rich set of APIs that can control browsers, manage cookies, intercept network requests, and handle various browser events, making it versatile for different use cases.
  • Active Community
    Highly active open-source community with regular updates and a plethora of plugins and extensions, providing robust support and continuous improvements.
  • Compatibility
    Supports the latest JavaScript features and works seamlessly with popular libraries and frameworks, providing a modern development experience.

Possible disadvantages of puppeteer

  • Restricted to Chrome/Chromium
    Puppeteer is primarily designed to work with Chrome and Chromium browsers, limiting cross-browser testing capabilities compared to other tools that support multiple browsers.
  • Resource Intensive
    Running multiple instances of headless browsers can be resource-intensive in terms of CPU and memory usage, potentially affecting performance on limited hardware.
  • Learning Curve
    Requires some learning curve for developers unfamiliar with browser automation or the Puppeteer API, making initial setup and usage potentially time-consuming.
  • Lacks JavaScript Redaction
    Unlike some other tools, Puppeteer does not natively support JavaScript error redaction, which means developers must manage error handling and debugging themselves.
  • Not Ideal for GUI Tests
    Since Puppeteer is headless by default, it might not be ideal for GUI end-to-end tests that require visual validation, requiring additional tools or configurations to enable full browser displays.

Analysis of JSON Formatter & Validator

Overall verdict

  • Yes, JSON Formatter & Validator (jsonformatter.curiousconcept.com) is a good tool for handling JSON data. It is reliable, user-friendly, and accessible online without the need for any installations.

Why this product is good

  • JSON Formatter & Validator by Curious Concept is widely regarded as a useful tool for developers and data professionals who need to review, format, and validate JSON data. Its interface is straightforward, and it provides clear feedback on JSON syntax errors, making it a helpful resource for troubleshooting data issues. The tool also offers features like JSON prettification and minification, which are useful for making JSON data more readable or compact, depending on the user's needs.

Recommended for

    This tool is recommended for software developers, data analysts, and anyone working with JSON data. It's particularly useful for those who require a quick and easy way to validate or format JSON data online without using more complex software environments.

Analysis of puppeteer

Overall verdict

  • Puppeteer is considered a strong choice for developers seeking a robust and efficient way to automate browser tasks. It is particularly favored in situations where headless browser actions are required due to its rich feature set and its solid support from both the community and its active development team. However, it may not be the best choice for those looking for cross-browser testing since it focuses specifically on Chrome or Chromium.

Why this product is good

  • Puppeteer is a Node.js library that provides a high-level API to control headless Chrome or Chromium browsers. It is widely appreciated for its speed, reliability, and comprehensive feature set that makes it easy to automate tasks like web scraping, automated testing, and taking screenshots. Users benefit from the ability to programmatically control browser actions, which can be useful for testing user interactions and rendering dynamic content.

Recommended for

  • Web scraping projects that need to render dynamic web pages or deal with JavaScript-heavy sites.
  • Automated testing scenarios that involve simulating user interactions and verifying UI changes.
  • Performance analysis and monitoring of JavaScript execution in a controlled environment.
  • Developers who need to generate PDFs or capture screenshots from web pages programmatically.

JSON Formatter & Validator videos

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puppeteer videos

Puppeteer - Video Review

More videos:

  • Review - GameSpot Reviews - Puppeteer
  • Review - CGR Undertow - PUPPETEER review for PlayStation 3

Category Popularity

0-100% (relative to JSON Formatter & Validator and puppeteer)
Development
100 100%
0% 0
Automated Testing
0 0%
100% 100
Developer Tools
100 100%
0% 0
Browser Testing
0 0%
100% 100

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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 puppeteer

JSON Formatter & Validator Reviews

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puppeteer Reviews

Top Selenium Alternatives
Puppeteer offers more direct and tighter integration with Chrome or Chromium through the DevTools Protocol, unlike Selenium which abstracts the browser interaction through WebDriver, making it more versatile across different browsers but potentially less optimized for specific browser internals like those Puppeteer accesses in Chrome.
Source: bugbug.io
Best Data Scraping Tools
It is completely free. Puppeteer is well backed and supported by Google Chrome and hence replacing Selenium and PhantomJS. It automatically installs an efficient, compatible Chromium binary in its setup, therefore reducing the burden of keeping track on your browser.
Puppeteer vs Selenium
If you're looking for a better alternative, try Endtest. It has Puppeteer's speed, it supports Selenium's browsers AND it has all the features that they're missing.
Source: dev.to
Introduction to Headless Browser Testing
The Puppeteer API can be used to take screenshots, create PDFs, navigate pages, and fetch information from pages. We’ll write some example code to see Puppeteer in action.

Social recommendations and mentions

Based on our record, puppeteer should be more popular than JSON Formatter & Validator. It has been mentiond 106 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 (37)

  • I Was The Slowest Coder Ever (Here's How I Got Fast)
    And when I'm working with those JSON files and they're broken (happens all the time), this JSON Formatter fixes them quick. No more looking for missing commas forever. - Source: dev.to / about 12 hours ago
  • 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 / 4 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 / 12 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
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puppeteer mentions (106)

  • Top React Testing Libraries in 2025
    Puppeteer is a headless browser automation tool built on Chromium. It allows developers to simulate user interactions, capture screenshots, and perform UI tests with a high degree of accuracy. Puppeteer is particularly useful for testing cross-browser compatibility and visual elements in React applications. Its robust API enables precise control over browser actions, making it a valuable tool for UI testing and... - Source: dev.to / 3 months ago
  • End-to-End SEO Testing with Playwright and Lighthouse
    Vitest is a next-generation JavaScript testing framework powered by Vite. It’s an excellent alternative to Jest, offering native TypeScript support, a fast setup, and solid performance. However, while it has an experimental headless browser, it’s not ideal for advanced scenarios like running SEO audits in CI/CD pipelines. Instead, we can pair Vitest with Pupetter, a more mature tool for headless browser automation. - Source: dev.to / 3 months ago
  • The Puppeteer Language Experiment
    This project tests how the browser language can be changed with Puppeteer. It implements multiple options to set the language of Chrome and checks each option against BrowserLeaks to see how it affected the JavaScript proeprties and HTTP headers available by the browser. For more information, see my article The Puppeteer Language Experiment on DEV.to. - Source: dev.to / about 1 year ago
  • Scrapy Vs. Crawlee
    In Crawlee, you can scrape JavaScript rendered websites using the built-in headless Puppeteer and Playwright browsers. It is important to note that, by default, Crawlee scrapes in headless mode. If you don't want headless, then just set headless: false. - Source: dev.to / about 1 year ago
  • Sometimes things simply don't work
    I am not in any way associated with the developers at puppeteer, but if you are looking for a way to contribute, they are open source. - Source: dev.to / about 1 year ago
View more

What are some alternatives?

When comparing JSON Formatter & Validator and puppeteer, 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

Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

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

Cypress.io - Slow, difficult and unreliable testing for anything that runs in a browser. Install Cypress in seconds and take the pain out of front-end testing.

JSON Editor Online - View, edit and format JSON online

Playwright - Playwright is automation software for Chromium, Firefox, Webkit using the Node.js library having a single API in place.