Responsive Website Tester

See how any site renders at different widths. Enter a URL and pick a device size to preview layout and breakpoints without leaving the page.

Enter a full URL including https:// then tap Load.

Viewport375 × 812 px
Maintained by ToolexeLast updated February 8, 2026
Toolexe

Discover Toolexe, a comprehensive collection of free web tools designed for both regular users and developers. Everything is quick, free, and available for use, including time calculators, smart unit converters, HTML formatters, and useful JSON tools. No restrictions or signup the tools you require, when you need them.

Tools Categories

Base64 ToolsBase64 Tools
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Developer ToolsDeveloper Tools
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JSON ToolsJSON Tools
Social Media ToolsSocial Media Tools
Date & TimeDate & Time

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