Best Sizzy Alternatives & Competitors in 2024

The browser for ambitious web developers that want to 5× their quality and efficiency.

paid Free Trial $9.0 / Monthly (Individual user)

Browsershots makes screenshots of your web design in different browsers.

Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price.

Try for free paid Free Trial $3.0 (3$ per 1 Gb)

Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.

litmus tests and tracks your email campaigns, so you can always put your best design forward.

Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.

Live interactive cross-browser testing from your browser.

BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.

Open Source freemium $29.0 / Monthly (Starts at single user plans and billed annually)

Develop responsive web-apps 5x faster!

Open Source free

Responsive Web Design, Mobile & Cross-Browser Compatibility Testing Software.

webcheck.me Free online website scanner. Checks security, seo, performance and mail problems.

Cross browser testing tool BrowseEmAll. Test your website in more than 25 web and mobile browsers on your local machine. No cloud services involved!

Testize gage your webpage’s ease of use against at present acknowledged Internet gauges to recognize website appropriateness over numerous cell phones and programs.

Test the spamminess of your email