七麦数据

Test responsive designs in 10 seconds. Instantly change viewport width from 390px to 3840px and verify PC, mobile, and tablet displays. Dramatically reduce your web testing time.

■ Key Features
• Change viewport width instantly without page reload
• Simulate browser detection with 74 User-Agent strings
• Switch between iPhone, iPad, and desktop resolutions with one tap
• Save up to 10 custom presets for frequently used settings
• Share test results immediately with screenshot feature

■ Perfect For
Web designers spending too much time on responsive checks, frontend engineers streamlining cross-browser testing, QA testers needing multi-device verification, general users wanting desktop sites on mobile, and all web development professionals.

■ How It Works
1. Enter URL to display site
2. Select PC/Mobile/Custom mode
3. Adjust viewport width with slider
4. Change User-Agent as needed

■ Privacy & Security
Your privacy is our top priority. We never transmit your browsing data or personal information externally. All settings are securely stored on your device only.

A professional tool that dramatically improves web testing efficiency.

"Advanced web browser that can display PC sites on smartphones as they are.

A professional specification browser that can be used by general users who want to browse PC sites comfortably on smartphones, to web and app developers.

• Main features
One-tap PC/smartphone User-Agent switching
Free custom specification of display width from 390 to 3000px

'PC mode' that can display PC sites on smartphones as they are

Built-in custom UA presets (more than 73 types)

Bookmark support for easy management of favourite sites

Ideal for development and verification with console log confirmation and SafeMode display

Simple configuration without adverts and one-time purchase system, enabling powerful display control with privacy consideration."

"Advanced web browser that can display PC sites on smartphones as they are.

A professional specification browser that can be used by general users who want to browse PC sites comfortably on smartphones, to web and app developers.

• Main features
One-tap PC/smartphone User-Agent switching
Free custom specification of display width from 390 to 3000px

'PC mode' that can display PC sites on smartphones as they are

Built-in custom UA presets (more than 73 types)

Bookmark support for easy management of favourite sites

Ideal for development and verification with console log confirmation and SafeMode display

Simple configuration without adverts and one-time purchase system, enabling powerful display control with privacy consideration."

"Advanced web browser that can display PC sites on smartphones as they are.

A professional specification browser that can be used by general users who want to browse PC sites comfortably on smartphones, to web and app developers.

• Main features
One-tap PC/smartphone User-Agent switching
Free custom specification of display width from 390 to 3000px

'PC mode' that can display PC sites on smartphones as they are

Built-in custom UA presets (more than 73 types)

Bookmark support for easy management of favourite sites

Ideal for development and verification with console log confirmation and SafeMode display

Simple configuration without adverts and one-time purchase system, enabling powerful display control with privacy consideration."

"Advanced web browser that can display PC sites on smartphones as they are.

A professional specification browser that can be used by general users who want to browse PC sites comfortably on smartphones, to web and app developers.

• Main features
One-tap PC/smartphone User-Agent switching
Free custom specification of display width from 390 to 3000px

'PC mode' that can display PC sites on smartphones as they are

Built-in custom UA presets (more than 73 types)

Bookmark support for easy management of favourite sites

Ideal for development and verification with console log confirmation and SafeMode display

Simple configuration without adverts and one-time purchase system, enabling powerful display control with privacy consideration."

"Advanced web browser that can display PC sites on smartphones as they are.

A professional specification browser that can be used by general users who want to browse PC sites comfortably on smartphones, to web and app developers.

• Main features
One-tap PC/smartphone User-Agent switching
Free custom specification of display width from 390 to 3000px

'PC mode' that can display PC sites on smartphones as they are

Built-in custom UA presets (more than 73 types)

Bookmark support for easy management of favourite sites

Ideal for development and verification with console log confirmation and SafeMode display

Simple configuration without adverts and one-time purchase system, enabling powerful display control with privacy consideration."

"Advanced web browser that can display PC sites on smartphones as they are.

A professional specification browser that can be used by general users who want to browse PC sites comfortably on smartphones, to web and app developers.

• Main features
One-tap PC/smartphone User-Agent switching
Free custom specification of display width from 390 to 3000px

'PC mode' that can display PC sites on smartphones as they are

Built-in custom UA presets (more than 73 types)

Bookmark support for easy management of favourite sites

Ideal for development and verification with console log confirmation and SafeMode display

Simple configuration without adverts and one-time purchase system, enabling powerful display control with privacy consideration."