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JS Comment Remover

Strip // and /* */ comments from JavaScript, highlight the result, then copy or download it — all in your browser.

FreeNo sign-upRuns locally — files never leave your device

How to use this tool

This tool removes comments from your JavaScript code and highlights its syntax. Paste your JS code, click Remove Comments & Highlight, and get a clean, syntax-highlighted version ready to copy or download.

How to use

  1. Paste or upload code – enter your JavaScript in the input area or upload a .js file.
  2. Process code – click Remove Comments & Highlight to clean your code and see the highlighted result.
  3. Copy or download – use the toolbar to copy the cleaned code, download it, or clear the output.

Features

Quickly remove all comments from your JS code, highlight syntax for better readability, and easily copy or download the cleaned result.

script.js
cleaned-script.js

How to clean your code

  1. Paste or upload code

    Enter your JavaScript in the editor or upload a .js / .mjs file.

  2. Remove comments & highlight

    Click the button to strip every // and /* */ comment and highlight the result.

  3. Copy or download

    Use the toolbar to copy the cleaned code or download it as a file.

Remove comments from JavaScript files

Our JavaScript Comment Remover tool lets you quickly clean your JS or MJS files by removing all comments and highlighting the syntax for better readability. Whether you're tidying up production code, preparing scripts for deployment, or just want a cleaner view, this tool works directly in your browser — no installation needed.

Why use our comment remover?

  • Instantly remove all single-line (//) and multi-line (/* */) comments.
  • Automatic syntax highlighting for improved code readability.
  • Upload JavaScript files or paste code directly into the editor.
  • Download the cleaned file or copy it to the clipboard with one click.
  • Works entirely in your browser — no data is uploaded to any server.
  • Fast, secure, and completely free to use.

Start by uploading your JavaScript file or pasting your code, then click "Remove Comments & Highlight" to see a clean, formatted version instantly. It's simple, private, and designed for your convenience.

JavaScript Comment Remover – clean your JS code instantly

Need to remove all comments from your JavaScript code quickly? Our JS Comment Remover Tool makes it easy to clean and highlight your code in seconds. Whether you're preparing scripts for production, improving readability, or just tidying up, this tool gives you instant, secure results directly in your browser.

What is a JS comment remover?

A JavaScript Comment Remover automatically detects and removes all single-line (//) and multi-line (/* */) comments from your code. It also applies syntax highlighting so you can review and copy a clean, readable version of your script. This is essential for developers who want optimized, clutter-free code before deployment.

How to use the online JS comment remover

  1. Paste or upload your code: enter your JavaScript into the editor or upload a .js / .mjs file.
  2. Click "Remove Comments & Highlight": the tool processes your code instantly and displays the cleaned result with syntax highlighting.
  3. Copy or download: use the toolbar to copy the cleaned code or download it as a file.

Key features of our JS comment remover

  • Instant comment removal: removes all // and /* */ comments.
  • Syntax highlighting: makes cleaned code easier to read and review.
  • Multiple input options: paste code directly or upload JavaScript files.
  • Copy & download: export cleaned code instantly.
  • Private & secure: all processing is done locally in your browser.
  • Free to use: no installation or registration required.

Common use cases

  • Developers: prepare clean code for production builds.
  • Code reviewers: read logic without comment clutter.
  • Students: study simplified versions of code.
  • Open source contributors: standardize code style before submitting.

Start cleaning your code now

Whether you're a developer, student, or reviewer, our online JS Comment Remover helps you instantly remove comments and keep your code clean. Paste or upload your code and see the difference immediately! Explore more tools.

Frequently asked questions

How does the JS Comment Remover work?
Paste your JavaScript code into the editor or upload a .js or .mjs file. The tool scans for single-line (//) and multi-line (/* */) comments, removes them and then shows the cleaned code with syntax highlighting — all locally in your browser.
Which file formats are supported?
The JS Comment Remover supports .js and .mjs files. You can also paste JavaScript code directly into the editor without uploading a file.
Is this tool free to use?
Yes, the JavaScript Comment Remover is completely free to use with no hidden costs or subscriptions. All processing happens locally in your browser.
Can I download the cleaned code?
Yes. After removing comments you can download the cleaned code as a JavaScript file or copy it directly to your clipboard.
Is my code uploaded to a server?
No. All operations are performed locally in your browser using JavaScript. Your code never leaves your device, ensuring privacy and security.
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