One click overlays every element's measurements at once: sizes, padding, margins, gaps, fonts, and colors. No hovering needed.
Users
5
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#253K
#212K among extensions
Version
1.0.0
updated 20 Jul 2026
Users
monthly, 3 months
Latest, 16 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Specsray - see spacing, gaps & fonts
Specsray shows you a page's entire layout anatomy in one click. No hovering, no picking elements one at a time: every visible element gets annotated at once, like an x-ray of the page.
Click the toolbar icon and Specsray overlays the current tab with all of its measurements. Click again and everything disappears. A small control panel lets you toggle five layers independently, so you only see what you need:
DIMENSIONS
Every element outlined with its tag, class, and exact size in pixels.
SPACING (BOX MODEL)
Padding, margins, and borders tinted dev-tools style, each side labeled with its pixel value. Includes border radius labels, flex and grid gap highlighting with values, and grid track sizes.
DISTANCES
Connector lines showing the pixel distance between neighboring elements, the plain layout space that isn't padding, margin, or gap.
FONTS
Family, size, weight, line height, letter spacing, alignment, and transform on every text element.
COLORS
Background and text color swatches with hex codes.
WHY SPECSRAY
- Everything at once: see the whole page's spacing rhythm in a single glance instead of inspecting elements one by one
- Layout-neutral: the overlay never changes the page's geometry, so the numbers you read are the numbers the page really has
- No setup: works on any normal webpage with zero configuration
- Honest labeling: every nonzero value gets its number, even one-pixel borders
PRIVACY
Specsray collects no data, makes no network requests, and only runs on the tab where you click the icon. The activeTab and scripting permissions exist solely to inject the overlay into the current page when you ask for it.
Specsray is open source: https://github.com/ronnaf/specsray
Also available for Firefox: https://addons.mozilla.org/en-US/firefox/addon/specsray/