Brightness is a free browser-based css tools tool available on Ejaz Ahmad. Generate CSS brightness filters. Use this free online brightness tool in your browser with no signup.

Is Brightness free to use?

Yes, Brightness is completely free with no registration, subscription, or payment required. All features are available to everyone instantly.

Does Brightness upload my files or data to a server?

No. Brightness processes everything locally inside your browser. Your files, text, or data never leave your device, ensuring complete privacy and security.

What browsers does Brightness support?

Brightness works in all modern browsers including Google Chrome, Mozilla Firefox, Safari, and Microsoft Edge on both desktop and mobile devices.

How accurate is Brightness?

Brightness uses standard algorithms and runs directly in your browser for instant, accurate results. No server-side processing means no delays or errors from network issues.

Do I need to install anything to use Brightness?

No installation is required. Brightness runs entirely in your web browser — simply open the page and start using it immediately.

Brightness

Generate CSS brightness filters

The brightness() CSS function applies a linear multiplier to the input image, making it appear brighter or darker. Its result is a <filter-function>.

Option

Brightness 140%

Preview

Code

filter: brightness(140%);

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