CSS Flexbox Playground
Visually experiment with flexbox container and item properties. Generate CSS, Tailwind, and HTML output with live preview and presets for common layouts.
CSS Flexbox Playground
Visually experiment with CSS flexbox container and item properties, then copy CSS, Tailwind, or HTML output.
Preset Scenarios
Containerflex
Live Preview3 items
Items (3/12)
Generated Code
.flex-container {
display: flex;
flex-direction: row;
flex-wrap: nowrap;
justify-content: flex-start;
align-items: stretch;
align-content: stretch;
gap: 8px;
}
.flex-item-1 {
flex-grow: 0;
flex-shrink: 1;
flex-basis: auto;
}
.flex-item-2 {
flex-grow: 0;
flex-shrink: 1;
flex-basis: auto;
}
.flex-item-3 {
flex-grow: 0;
flex-shrink: 1;
flex-basis: auto;
}Frequently Asked Questions
What is the CSS Flexbox Playground?
The CSS Flexbox Playground is a free online tool that visually experiment with flexbox container and item properties. generate css, tailwind, and html output with live preview and presets for common layouts.. It runs entirely in your browser with no installation or sign-up needed.
flex vs inline-flex?
display:flex is a block-level flex container taking full parent width. inline-flex is inline-level and only takes its content width, flowing with surrounding text.
flex-grow vs flex-basis?
flex-basis sets initial size before free space is distributed. flex-grow defines how leftover free space is shared among items.
How do I center content?
Parent: display:flex + justify-content:center + align-items:center. The Centered preset applies this exact configuration.
Is the CSS Flexbox Playground free to use?
Yes, the CSS Flexbox Playground is 100% free with no registration, no hidden fees, and no usage limits. All processing happens locally in your browser, ensuring complete privacy.
Is my data safe with this tool?
Absolutely. The CSS Flexbox Playground processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the CSS Flexbox Playground work on mobile devices?
Yes, the CSS Flexbox Playground is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the CSS Flexbox Playground in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
What programming languages or formats does this support?
The CSS Flexbox Playground supports a wide range of popular formats and languages. Check the tool interface for the full list of supported options.
Which browsers are supported?
The CSS Flexbox Playground works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About CSS Flexbox Playground
CSS Flexbox Playground is a free, browser-based tool in our Developer Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.