Sizzy
The browser for designers and developers
Sizzy launched on June 27, 2019 with 876 votes, #2 of 2,757 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 7 years on.
In plain words
Sizzy is a browser designed for designers and developers that displays website changes across multiple devices simultaneously. It aims to streamline the workflow by eliminating the need to manually check how designs appear on different screen sizes. The tool helps users save time during development and design iterations by providing instant, side-by-side previews of their work across various device formats.
written from the facts on this page · September 2026
From the sources
The goal of Sizzy is to save time and increase the productivity of designers and developers. Work on your website and instantly preview the changes on multiple devices at once.
Build the web in one browser: project workspaces, synchronized devices, isolated sessions, debugging, screenshots, terminals, and coding agents. Try Sizzy free.
Sizzy is a desktop browser made for web developers. Your projects, every device, every login state, the console, an API client, terminals and coding agents all live in one window, so you stop juggling tabs, windows and tools. Orbit keeps issues, releases and customer feedback in one calm place. Orbit keeps issues, releases and customer feedback in one calm place. Orbit keeps issues, releases and customer feedback in one calm place. Interactive sketch of the Sizzy window. Hover to pause, click the panel tabs to explore. Sizzy is built on Chromium, so the web looks the way it will for your users. Around the page it adds the things a developer actually needs while building. Each project keeps…from sizzy.co
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