100% PrivateSize StatsPreserves Strings

How It Works

1

Paste Code

Paste your JavaScript code into the input area.

2

Minify

Click Minify to remove comments and whitespace.

3

Copy Result

Copy the compressed output with size stats.

Frequently Asked Questions

What does JS minification remove?
JavaScript minification removes single-line comments (//), multi-line comments (/* */), unnecessary whitespace, and redundant newlines while carefully preserving string literals and regular expressions.
How much can JS minification save?
Typical JavaScript minification reduces file size by 30-60%, depending on how much whitespace and comments exist in the original code. Well-commented source code sees the largest reductions.
Is this the same as the JavaScript Minifier tool?
Yes, this tool uses the same minification engine as our JavaScript Minifier page. Both provide the same functionality with identical output quality.
Will minifying break my JavaScript?
No. This tool only removes whitespace and comments while preserving all code logic, string literals, and regular expressions. The minified output is functionally identical to the original.
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About JS Minifier

What this tool does

Developer and design tools include CSS generators (gradients, shadows, glassmorphism), code playgrounds, color pickers, responsive previews, and reference charts for HTML tags, HTTP methods, and keyboard shortcuts.

Why use this tool

Front-end development involves constant context switching between code and visual output. Having generators and references in a single browser tab speeds up prototyping and reduces the need to search through documentation sites.

How it works

Each tool provides an interactive UI: you tweak parameters (colors, radii, durations), and the tool generates the corresponding CSS, HTML, or SVG code in real time. Copy the snippet directly into your project.

Pro tip

Use the CSS variable output option when available. It makes your generated code theme-friendly and easier to maintain across a design system.

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