Are my CSS selectors logged anywhere?

No! All CSS identifier escaping runs 100% locally in your browser.

Web Developer Tools

CSS Escape / Unescape

Escape CSS selector special characters.

Developer & Code Suite

Syntax Checker & Code Validator

CODE SNIPPET INPUT

SYNTAX VALIDATION STATUS

✅ Valid JavaScript syntax! Zero syntax errors.

About CSS Escape / Unescape

The CSS Identifier Escape & Unescape Tool converts special characters, spaces, punctuation, leading digits, and symbols into valid CSS.escape() selector sequences for querySelector and stylesheets.

Step-by-Step Guide

How to Use CSS Escape / Unescape

Step 1

Paste your class name, ID, or selector string.

Step 2

Select mode (CSS Stylesheet escape or JavaScript querySelector string).

Step 3

Review the escaped CSS selector.

Step 4

Click "Copy Escaped Selector".

Industry Scenarios

Practical Use Cases for CSS Escape / Unescape

Querying Tailwind CSS Colon Selectors in querySelector

Escape Tailwind class names containing colons and slashes (e.g. hover:bg-blue-500) for JavaScript DOM queries.

Selecting Elements with IDs Starting with Numbers

Escape CSS IDs that start with digits to prevent invalid CSS selector syntax errors.

Sample Data & Transformation

Input & Output Examples

Escaping Tailwind Colon Selector

Input Sample:

Class: "md:w-1/2"

Processed Result:

CSS Escaped: md\:w-1\/2 | JavaScript querySelector: document.querySelector(".md\\:w-1\\/2")

Technical Capabilities

Key Features & Performance

✓Compliant with CSSOM CSS.escape() specification.
✓Escapes leading digits, colons, slashes, spaces, dots, and special Unicode.
✓Provides both CSS Stylesheet syntax and Double-Escaped JavaScript querySelector syntax.
✓100% Client-Side memory execution.
✓1-Click Copy CSS selector.

Technical Glossary

Key Terminology & Definitions

CSS.escape()

A native JavaScript CSS Object Model method used to escape arbitrary strings for safe use inside CSS selectors.

Hexadecimal CSS Escape

In CSS syntax, escaping characters by their hexadecimal Unicode value followed by a trailing space.

Frequently Asked Questions (PAA)

CSS Escape / Unescape FAQs

JavaScript strings interpret single backslashes as string escape characters; to pass a literal backslash to the CSS selector engine, you must double-escape it.