Software Alternatives, Accelerators & Startups

UglifyJS VS Expresso

Compare UglifyJS VS Expresso 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.

UglifyJS logo UglifyJS

JavaScript minifier, beautifier, mangler and parser toolkit.

Expresso logo Expresso

The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.
  • UglifyJS Landing page
    Landing page //
    2022-10-30
  • Expresso Landing page
    Landing page //
    2018-09-29

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.

Expresso features and specs

  • User-Friendly Interface
    Expresso has an intuitive and user-friendly interface that makes it easy for both novice and experienced users to create and test regular expressions.
  • Comprehensive Test Environment
    It includes a detailed test environment where users can test their regular expressions against sample text to ensure accuracy and efficiency.
  • Integrated Syntax Highlighting
    The tool provides syntax highlighting to help users identify different parts of their expressions easily, which can reduce errors and improve readability.
  • Extensive Library of Expressions
    Expresso features a library of pre-built regular expressions that users can use as a reference or starting point for their own expressions, saving time and effort.
  • Educational Resources
    It offers numerous tutorials and guides that can help users understand regular expressions better and improve their skills progressively.

Possible disadvantages of Expresso

  • Limited to Windows
    Expresso is only available for Windows operating systems, which limits its accessibility to users on other platforms like macOS or Linux.
  • Outdated User Interface
    Some users might find the user interface to be somewhat outdated compared to more modern applications, which could impact the user experience.
  • Lack of Advanced Features
    While useful for basic and intermediate tasks, Expresso might lack some advanced features and customization options found in more comprehensive regex tools.
  • No Collaboration Features
    The application does not offer any features for collaboration, which might be a drawback for teams working together on complex projects.
  • No Cloud Integration
    Expresso does not offer cloud integration, meaning users cannot easily sync their work across multiple devices or share it through cloud services.

Analysis of Expresso

Overall verdict

  • Expresso is considered a good tool, especially for beginners and intermediate users who need an intuitive platform to learn and apply regular expressions without getting bogged down by more complex alternatives.

Why this product is good

  • Expresso is a popular tool for developing and testing regular expressions. It provides a user-friendly interface, real-time regex testing, and a library of pre-built expressions, making it easier for users to understand and utilize regex for various applications. Its features are particularly useful for those who regularly work with data validation, search and replace operations, and programming tasks involving pattern matching.

Recommended for

  • Beginners learning regular expressions
  • Software developers
  • Data analysts working with text processing
  • Anyone needing a reliable regex testing environment

UglifyJS videos

No UglifyJS videos yet. You could help us improve this page by suggesting one.

Add video

Expresso videos

REVIEW DE MON EXPRESSO À 100 000 EUROS AVEC STROPOSAUCE

Category Popularity

0-100% (relative to UglifyJS and Expresso)
Web Application Bundler
100 100%
0% 0
Regular Expressions
0 0%
100% 100
Tool
100 100%
0% 0
Productivity
0 0%
100% 100

User comments

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

Social recommendations and mentions

Based on our record, Expresso should be more popular than UglifyJS. It has been mentiond 2 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.

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

Expresso mentions (2)

  • Can I match multiple parameters?
    Working in PowerShell (.Net regex) one of my favorite tools is https://ultrapico.com/expresso.htm. It does require registering for a free license but it's well worth it. Source: about 3 years ago
  • Melody - A language that compiles to regular expressions and aims to be more easily readable and maintainable
    Then you need this or something like it: https://ultrapico.com/expresso.htm. Source: over 3 years ago

What are some alternatives?

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

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

RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.

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

rubular - A ruby based regular expression editor

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

RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.