v1.0.0 · Chrome · MV3 · Iframe Inspector

IframeSpy

Detect and inspect every iframe and embedded element on any page. Sources, dimensions, sandbox analysis, loading states, and performance impact at a glance.

Iframe Inspector

Iframes on example.com 4 iframes · 2 embeds
#0 https://www.youtube.com/embed/dQw4w9WgXcQ 560x315 Sandboxed Loaded VIDEO
#1 https://maps.google.com/maps?q=Tokyo&output=embed 600x450 No Sandbox Loaded MAP
#2 https://platform.twitter.com/widgets/... 550x250 Sandboxed Loaded Cross-Origin
#3 https://googleads.g.doubleclick.net/... 728x90 Sandboxed Loaded AD

List All Iframes

Instantly see every iframe on the page with its source URL. No need to dig through DevTools Elements panel.

FREE

Dimensions & Position

View exact width, height, and page position for each iframe. Spot hidden or zero-size tracking iframes immediately.

FREE

Sandbox Analysis

See which iframes are sandboxed and which tokens are granted. Identify security risks from unrestricted iframes.

FREE

Loading State

Real-time loading indicators show whether each iframe is loaded, still loading, or has errored. Debug embed issues fast.

FREE

Badge Count

The extension badge shows the total iframe count for the current page. Know at a glance if a page has iframes.

FREE

Highlight on Page

Click any iframe in the list to highlight it on the page with an amber overlay, showing its boundaries and source.

FREE

Content Type Detection

Automatically classify iframes as video, map, ad, social, analytics, payment, or captcha based on their source URL.

PRO

Cross-Origin Analysis

Identify which iframes load content from different origins. Understand the security and performance implications.

PRO

Embedded Media Detection

Scan for video, audio, object, and embed tags beyond iframes. Get a complete inventory of all embedded content.

PRO

Performance Impact

Estimate the performance cost of each iframe based on content type, size, cross-origin status, and sandbox restrictions.

PRO

Export Audit as JSON

Export the complete iframe audit with all metadata to a structured JSON file. Share with your team or feed into CI tools.

PRO

Block / Unblock Iframes

Temporarily block individual iframes to test page behavior without them. Unblock to restore. No page reload needed.

PRO