Create brilliantly.
Build effortlessly.

Flex is the no-code interactive design platform that publishes as clean, semantic HTML. Fast, responsive, accessible — no developer required.

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Designed ​for results

Interactive content consistently outperforms static content. With longer dwell times, dramatically higher engagement, and conversion rates up to 2×, it delivers results you can measure and build on.

+80%

Longer dwell times

Command attention with scroll-stopping, interactive content

10x

higher click-through rates

Differentiate your brand through immersive storytelling

95+

Lighthouse scores

Speed, SEO, and WCAG 2.2 compliance—baked in

Up to

2x

Higher conversion rates

Turn passive viewers into active participants

Built for the age of AI

Flex AI is your design collaborator inside Flex. It understands your canvas, content, and brand, so your team gets from idea to finished experience faster. Without losing creative control.

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Responsive design

Smart layouts that scale.

Flex handles the heavy lifting so you don’t have to. Set breakpoints, preview side by side, and watch updates cascade perfectly. Styles stay synced across screens, sizes, and typography.

Brand Components & Text Styles

Your styles.
​On autopilot.

Set your styles once. Flex keeps headers, body, buttons, colors in sync everywhere, across all your breakpoints.

​Flex examples


New templates

Ceros Flex introduces a new generation of responsive templates that adapt seamlessly across devices. They include pre-built styles, interactive modules, and ready-made sections, making it faster and easier to create modern, engaging digital experiences.

Animation & Interaction

Scroll with soul.

Flex makes scroll-triggered animations easy to build and effortless to preview. No devs, no guesswork, just high-impact storytelling.

Animation

Motion with meaning

Flex unlocks a new level of animation. Smoother, smarter, more expressive. You’re in control. Great design doesn’t sit still. It performs.

Animation

Interaction

More ways to make things click

Tap, hover, scroll, swipe. Flex gives you total control over how people engage. Every interaction feels sharp, and intentional.

Reimagined Design System

New look.
​Smarter logic.

Flex runs on three things: speed, performance, and zero friction. Built for the modern web. And the people who design it.

Templates & sections

Reuse. Refine. Repeat.

Save time and stay consistent with reusable templates, sections, and components. Build once, customize endlessly, and keep every experience on-brand across every screen.

Flex UI showing how to access preexisting templates to expedite interactive content builds.

Powerful features.
​zero friction.

Built for speed & flow

Flex isn’t an update. It’s a reinvention. Redesigned, reengineered, and rebuilt from the ground up for speed, power and your best creative ideas.

Real-time collaboration

Real-time edits. One unified workspace. Everyone’s in the same space, building toward the same vision. No pings, no silos, no second-guessing.

One-click publishing

One click, and it’s out in the world. No exporting from your design apps. No dev handoff. Just publish and 
it’s done.

Built for SEO

Clean code. Lightning load times. Semantic structure. Flex isn’t just pretty, it’s built to rank. Your work deserves to be discovered.

WCAG 2.2 Compliance

Flex is built to meet WCAG 2.2 standards out of the box. Because great design works for everyone.​

Speed that scores

Zero lag. Instant load. No spinning wheels, no stress. Flex runs fast so your ideas don’t have to wait.
​Lighthouse scores 95+.

Words from our early users

The ability to have layouts dynamically adjust instead of manually shifting everything is a game-changer.

Morning Brew company logo

The Morning Brew

Okay, if I were to save that as my H1, it would save across all three viewports? Guys. This is going to be a game changer for me.

Marsh McLennan Agency company logo

Scroll triggers? This is my dream. This is what I have been waiting for.

Vox Media company logo

Vox Media

Available Now

Built for how content actually gets made.

And we can’t wait to see what you create with it.

Try it now