Flexbox Playground

Visually test flex container and item properties.

Free · Runs in your browser · Last updated 2026-05-03

Container

flex-direction flex-wrap justify-content align-items align-content gap: 8px items: 5

CSS

About this tool

Live Flexbox playground: change flex-direction, justify-content, align-items, gap and item flex values to see how they affect layout.

Privacy

All processing for Flexbox Playground happens locally inside your browser using JavaScript. Your input is never uploaded to a server, logged, or shared with third parties.

Frequently asked questions

Is the Flexbox Playground free to use?

Yes. Flexbox Playground is completely free for both personal and commercial projects. There are no usage limits, no sign-up, and no premium tier.

Is my data safe when I use Flexbox Playground?

All processing happens locally in your browser using JavaScript. Your input is never uploaded to our servers, logged, or shared with any third party.

Does Flexbox Playground work offline?

Once the page has loaded, the tool runs entirely client-side. You can disconnect from the internet and it will keep working in the same browser tab.

Which browsers are supported?

Flexbox Playground works in all modern browsers, including the latest versions of Chrome, Firefox, Safari, Edge, Brave, and Opera, on desktop and mobile.

Do I need to install anything?

No. Flexbox Playground runs in any modern web browser with no installation, browser extension, or account required.

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