Paste freely.
No duplicate classes.

Every time you copy-paste elements in Webflow, CSS classes multiply. Iz Class Sync detects and resolves duplicate class names automatically — so your stylesheet stays clean without any extra work.

No sign-up required  ·  Works only on design.webflow.com  ·  Completely silent

design.webflow.com — Webflow Projects
.card-title
.wrapper
.card-title resolved
.section-title
.section-title
2 duplicate classes resolved automatically — stylesheet stays clean.

Your stylesheet stays exactly clean.

The Problem

Webflow copy-paste creates class chaos.

You paste an element. Webflow duplicates the class. Three screens later your stylesheet has: card-wrapper, card-wrapper 2, card wrapper 3.

  • Stylesheet bloated with near-identical classes
  • Manual cleanup is slow and error-prone
  • Client projects become impossible to maintain

Paste anything. The extension detects when Webflow is about to create a duplicate class and resolves it before it hits your stylesheet. You never see the problem because it never happens.

  • Duplicates caught and renamed automatically
  • Works silently — zero disruption to your flow
  • Stylesheet stays clean across every project

How It Works

Three steps. Zero friction.

1

Install the extension

Add Iz Class Sync from the Chrome Web Store. One click, no configuration. It activates automatically on Webflow.

2

Work normally in Webflow

Build and design as you always have. The extension runs silently in the background — there is nothing new to learn.

3

Paste freely, duplicates gone

Copy-paste any element anywhere. Class duplicates are caught and renamed automatically. Your stylesheet stays exactly as clean as you left it.

Features

Built to stay out of your way.

No dashboards to check. No settings to configure. Iz Class Sync does exactly one thing — and does it invisibly.

Completely silent

No popups, no notifications, no badges. It resolves duplicates before you even know they existed.

Toggle on/off instantly

Need the original Webflow behavior for a moment? Click once to pause the extension. Click again to resume.

No login, no account

Install and go. No sign-up, no email, no license key. Your data never leaves your browser.

Only runs on Webflow

The extension activates only on design.webflow.com — nowhere else. It requests no permissions beyond what it needs.

Ready to clean up your stylesheet?

Install it once.
Paste freely, forever.

Iz Class Sync is free, open-source, and requires no account. Add it to Chrome and your copy-paste workflow is permanently fixed.

Coming Soon

Open Source  ·  No account needed  ·  Free forever