Fontanello icon

Fontanello

by Fred Bergman · Developer Tools
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

A browser extension that lets you display the basic typographic styles of a text by right-clicking it.

Users
60K
0 in 30 days
Rating
4.6 / 5
unchanged in 30 days
Ratings
47
0 in 30 days
Store rank
#3,159
#2,771 among extensions
Version
1.3.0
updated 22 Apr 2024

Users

monthly, 3 years
20K45K70KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 60,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
102847Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 47 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 Fontanello

Fontanello makes it super easy to inspect typography on a webpage. It will show you information about typeface, weight, size, color and some other less used CSS-properties. It also show information about contrast for selected text.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year−10K−14.3%00.00

Version history

3 versions recorded
1.3.02 Apr 2024
1.2.22 May 2021
1.2.122 Feb 2020

Details

Category
Developer Tools
First seen
22 Feb 2020
Size
16 KB
Languages
en
Pricing
Free
Extension ID
jdlhfjlpaijjhklfadlhbbmpjfddkglc

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
activeTabcontextMenus

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