Is the entered URL stored?

No. The preview runs in the browser and the tool does not persist entered URLs.

Iframe Viewer - Free Online Responsive Preview Tool

Some sites block framing with X-Frame-Options or Content-Security-Policy. That is a security feature.

iframe viewerresponsive previewiframe generatorviewport previewPrivacy: Browser local

Preview URLs inside common viewport frames and copy basic iframe markup.

Input / Output

Input, output, and copy actions stay in this main surface. Examples and reference checks are separated below.

Copy-ready output

URLViewport

Output

Copy-ready output

<iframe src="https://www.bobob.app/" width="390" height="844" loading="lazy"></iframe>

Some sites block iframe rendering with X-Frame-Options or Content-Security-Policy.

Local session

Input state is saved only in this browser so you can restore the last workspace without an account.

Open examples, checks, and related tools only after the primary input/output flow is done.

Guides

Starting points for this utility

https://www.bobob.app390 x 844 mobile frame

Web