CSS Tools

CSS Parser

CSS Parser — parse CSS into rules and declarations you can review. It runs entirely in your browser, so nothing is uploaded and it keeps working offline.

Client-sideRuns entirely in your browser — your data never leaves your device.

CSS Parser is a free CSS Tools utility that runs entirely in your browser — nothing you enter is uploaded.

CSS input
Validation report

How to use CSS Parser

  1. Start by adding the CSS you want to parse into CSS Parser.
  2. The result is computed live in your browser as you edit the input.
  3. Finish by choosing Copy to take the output with you.

About this tool

CSS Parser runs entirely in your browser. CSS Parser works on your stylesheet locally and returns the result instantly.

Modern CSS syntax is preserved so your selectors and values come back intact. No data is sent anywhere, so it stays fast and private by default.

Frequently asked questions

What does CSS Parser do?

Use CSS Parser to parse your input without installing anything; everything happens client-side.

Do I need an account for CSS Parser?

No — CSS Parser needs no account, sign-up or installation.

Does CSS Parser upload my data?

No — CSS Parser processes everything locally in your browser, so nothing you enter is uploaded or stored.

Does CSS Parser support modern CSS syntax?

Yes. CSS Parser handles current CSS in your browser and leaves your selectors and values untouched.

Can I use CSS Parser without a connection?

Yes — after the first load CSS Parser runs entirely offline.

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