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Javascript Formatter VS UglifyJS

Compare Javascript Formatter VS UglifyJS and see what are their differences

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Create production-ready applications with zero code featured
Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

Javascript Formatter logo Javascript Formatter

Free formatter for JavaScript, JSON, React.js, HTML, CSS, SCSS, and SASS

UglifyJS logo UglifyJS

JavaScript minifier, beautifier, mangler and parser toolkit.
Not present
  • UglifyJS Landing page
    Landing page //
    2022-10-30

Javascript Formatter features and specs

No features have been listed yet.

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.

Analysis of Javascript Formatter

Overall verdict

  • JavaScript Formatter (javascriptformatter.com) is a solid, no-frills online tool for beautifying and cleaning up messy or minified JavaScript code quickly and for free, making it a good choice for casual or occasional formatting needs rather than heavy-duty professional development workflows.

Why this product is good

  • Free and easy to use with no installation required
  • Simple web interface accessible from any browser
  • Quickly beautifies minified or poorly indented JavaScript code
  • Useful for basic readability improvements without needing an IDE plugin
  • No account or sign-up required for basic use

Recommended for

  • Students learning JavaScript who need to read formatted code
  • Developers who need a quick one-off formatting fix
  • Users without access to a code editor with built-in formatting
  • People debugging or reviewing minified third-party scripts
  • Casual coders who don't want to install additional software

Category Popularity

0-100% (relative to Javascript Formatter and UglifyJS)

Javascript Formatter

UglifyJS

Coding
100 100%
Coding
0% 0
Tool
0 0%
Tool
100% 100
Text Editors
100 100%
Text Editors
0% 0
Web Application Bundler
0 0%
Web Application Bundler
100% 100

User comments

Share your experience with using Javascript Formatter and UglifyJS. For example, how are they different and which one is better?
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Social recommendations and mentions

UglifyJS might be a bit more popular than Javascript Formatter. We know about 1 link to it since March 2021 and only 1 link to Javascript Formatter. 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.

Javascript Formatter mentions (1)

  • JavaScript Trademark Update
    I wonder if non-commercial websites like [1] JavaScript Formatter are allowed under this trademark rule? Its two words and non-commercial so its fine? [1]https://javascriptformatter.com. - Source: Hacker News / about 1 year ago

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 3 years ago

What are some alternatives?

When comparing Javascript Formatter and UglifyJS, you can also consider the following products

JSON Formatter by: jackdalton.org - A Chrome app for formatting JSON.

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

JSON Formatter Live - Doesnโ€™t store any data, is keyboard friendly, and will give you live inline error messages when you add any code

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

Javascript Beautifier - Online Javascript beautifier formats ugly, minified or obfuscated javascript to make it more readable and clean.

DomainLockJS - Free code snippet to lock javascript files to your domain. Protect javascript code. Easy cut & paste script. Prevent unauthorized use of your scripts and deter code theft.

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