Software Alternatives, Accelerators & Startups

JSONLint VS UglifyJS

Compare JSONLint VS UglifyJS and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

JSONLint logo JSONLint

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

UglifyJS logo UglifyJS

JavaScript minifier, beautifier, mangler and parser toolkit.
  • JSONLint Landing page
    Landing page //
    2023-06-18
  • UglifyJS Landing page
    Landing page //
    2022-10-30

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.

UglifyJS features and specs

  • Minification
    UglifyJS effectively reduces the file size of JavaScript by removing whitespace, shortening variable names, and eliminating unnecessary code, which can lead to faster load times in web applications.
  • Maturity and Stability
    As a mature and well-established tool, UglifyJS has a long history of usage and a strong community, making it a reliable choice for JavaScript minification with less risk of encountering severe bugs.
  • Customization
    UglifyJS offers various options and configurations that allow developers to control the minification process, such as toggling specific optimizations and preserving certain comments.
  • Compression
    Besides minification, UglifyJS provides compression options which further optimize the JavaScript code by evaluating constant expressions and removing unreachable code.

Possible disadvantages of UglifyJS

  • Source Mapping Complexity
    Generating source maps with UglifyJS can sometimes be complex and might not always accurately map minified code back to the original source, complicating debugging efforts.
  • Transformations Side Effects
    Some of the aggressive transformations made by UglifyJS could potentially introduce bugs if the original code relies on exact syntax structure or has side effects that depend on expression evaluation order.
  • Limited ES6+ Support
    Historically, UglifyJS has lagged in support for newer ECMAScript features compared to other modern minifiers, which might cause issues when dealing with ES6+ syntax without transpiling it first.
  • Error Diagnosis
    When errors occur during the minification process, UglifyJS may not always provide clear or detailed error messages, which can make it difficult to diagnose and fix issues.

Category Popularity

0-100% (relative to JSONLint and UglifyJS)
Development
100 100%
0% 0
Web Application Bundler
0 0%
100% 100
Image Optimisation
100 100%
0% 0
Tool
0 0%
100% 100

User comments

Share your experience with using JSONLint and UglifyJS. For example, how are they different and which one is better?
Log in or Post with

Social recommendations and mentions

Based on our record, JSONLint seems to be a lot more popular than UglifyJS. While we know about 135 links to JSONLint, we've tracked only 1 mention of UglifyJS. 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 / 14 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 / 2 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 / 3 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

UglifyJS mentions (1)

  • Overview of the next-gen frontend dev tools
    There are many minifiers such as terser and uglify. But, because minifying also require to parse the JS, it is actually possible to use esbuild and SWC to minify the code. Here's a benchmark of the main minifiers. - Source: dev.to / over 2 years ago

What are some alternatives?

When comparing JSONLint and UglifyJS, 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

Terser - JavaScript parser, mangler, optimizer and beautifier toolkit for ES6+

JSON Editor Online - View, edit and format JSON online

JavaScript Obfuscator - JavaScript Obfuscator is a free online tool that obfuscates your source code, preventing it from being stolen and used without permission.

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

Closure Compiler - The Closure Compiler is a tool for making JavaScript download and run faster.