Image Size Overlay

Extension Developer Tools2 users

Item media 1 (screenshot) for Image Size Overlay

Overview

Highlight every image with its natural dimensions and file size, toggled via the toolbar.

Image Size Overlay turns any webpage into a quick visual audit tool. Click the toolbar button to outline all images in red and display their natural size and estimated file weight. Instantly spot oversized assets, layout issues, or mismatched resolutions—no DevTools needed. Runs only when toggled on, then cleans up in one click. Works with responsive and lazy-loaded images, updating as sources change. Fast, private, and ideal for designers, developers, and editors who need pixel-perfect checks right in the browser.

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Details

Version
1.0
Updated
November 2, 2025
Flag concern
Offered by
NOD
Size
13.27KiB
Languages
English
Developer
Email
alen3000@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

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Show image resolution, file type, and file size on mouse over

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Displays an overlay with viewport dimensions and aspect ratio.

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0.0

Inserts option in the browser's image context menu to view image width, height and file size.

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Use image size converter as an image compressor and image resizer tool. It allows to create tiny png, jpg, webp files.

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4.6

Measure sizes, distances, margins and paddings of any element on any web page.