Prism - Redline Tool icon

Prism - Redline Tool

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

Prism is a redline tool for the web.

Users
5,000
0 in 30 days
Rating
4.8 / 5
unchanged in 30 days
Ratings
22
0 in 30 days
Store rank
#14K
#12K among extensions
Version
1.7.3
updated 5 Dec 2023

Users

monthly, 3 years
1,0003,5006,000Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 5,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
61422Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 22 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 Prism - Redline Tool

Effortlessly extract redline specifications from a webpage, encompassing properties such as size, color, spacing, typography, and additional relevant attributes. Users can effortlessly hover and click on objects within the webpage to obtain comprehensive details about them. How to use: - Just click the Δ icon - Then click anywhere on the web page to redline item - Press Esc to pause redlining or 'Close' to turn off Hold 'Shift' to select parent element

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year0+0.0%00.00

Chrome Web Store search rankings

Where Prism - Redline Tool appears when people search the store, with the 30 day change
Search phrasePosition30 days
tool#32−11

Version history

3 versions recorded
1.7.35 Dec 2023
1.7.21 May 2021
1.7.127 Mar 2019

Details

Category
Developer Tools
First seen
27 Mar 2019
Size
88 KB
Languages
en-US
Pricing
Free
Extension ID
hkbhjllliedcceblibllaodamehmbfgm

Permissions and risk

Minimal riskimpact 0, likelihood 0
Permissions
activeTabscripting

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