Sizzy

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The browser for developers

Stop wasting time and speed up your development workflow

macOS, Windows, and Linux

Join the best

Their employees are already working faster and saving a lot of time

Everything is in perfect sync

Scroll, click, or navigate to a different url, and all the devices will follow.

Scroll to any element

Stay focused while working on a certain section of your app. Just write a selector for an element, and all devices will scroll to it even after you refresh the page.

Page Navigator

Easily navigate every device by section or a heading. Just choose the direction and all the devices will navigate to it.

A developer's best friend

If your local setup supports Hot Reloading you can instantly see all the changes you make across all of the devices. No more refreshing and manually switching to check if every device works.

Dev Tools

Sizzy includes Chrome's dev tools so you can easily inspect and see what's going on with any device.

Universal Inspect Element

Inspecting devices one by one can be a chore, so Sizzy includes Universal Inspect Element which allows you to inspect all devices at once. Nifty, huh?

Disable Network

You can easily disable network per device, or for all the devices. This way you can test if your app works for users who are not online.

Touch Cursor

Simulate a touch cursor and use all the gestures you would use on a real device. Touch, scroll, and swipe to your heart's content!

Organize devices

Reorder, clone, delete, hide, and create devices to make Sizzy your own!

Add new devices

If the built-in devices are not enough, you can always add new devices with custom dimensions, user agent, DPR, touch support, etc.

Manage Cache & Cookies

Easily clear cache and cookies, or completely disable cache for all the devices

Screenshot, the proper way

Take a screenshot of the current viewport, or the entire device. You can also screenshot all devices at once. Try pressing the buttons.

Screenshot saved!

Pricing

Whether you work on one device, switch between multiple devices, or you need Sizzy for an entire team, our pricing just makes sense.

14-day free trial.

Cancel any time.

Monthly

Annually

Solo

/month

Billed $60 yearly

License for 1 device

Windows, Linux, macOS

All features

All future updates

Email support

Trio

$13

/month

Billed $156 yearly

License for 3 devices

Windows, Linux, macOS

All features

All future updates

Email support

License management

Team

$39

/month

Billed $468 yearly

Up to 10 devices

Windows, Linux, macOS

All features

All future updates

Email support

License management

Priority support

Priority feature requests

Enterprise

Please contact us

More than 10 devices

Windows, Linux, macOS

All features

All future updates

Email support

License management

Priority support

Priority feature requests

Live chat

You can always switch the billing interval, or change your plan. Just contact us and we'll do it for you.

What our users say about us

Sizzy is a game changer, but don't take our word for it

Frequently Asked Questions

You have questions, we have answers!

Will I get the same result as I would on a real device?

Sizzy simulates the viewport and user agent of each device, so the results should be the same as what you would see on a real device.

However, Sizzy cannot simulate different browser rendering engines, so there's a chance that there might be some minor differences when testing on a real device.

Why switch from OSS to a subscription model?

The web app was running for 2 years and it had around 10.000 monthly users. Yet, it only got a few donations and a few open source contributions.

We spent a lot of time on rewriting the app from scratch, adding tons of new features, and we have a lot of ideas for the future.

In order to secure proper funding for development of the project, we had to switch to a paid model. We still chose a pricing model that is very affordable.

Does the Chrome Extension still work?

Yes. Now when you click on the icon it will navigate Sizzy to the url you have opened in Chrome. You can download it here

Have a question or a problem?

Support

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