Lett Web Dimmer icon

Lett Web Dimmer

by LettApp · lett.app · Workflow & Planning
FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Adjust brightness level on any website.

Users
925
+52 in 30 days
Rating
4.5 / 5
−0.50 in 30 days
Ratings
6
+1 in 30 days
Store rank
#33K
#28K among extensions
Version
24.6.3
updated 7 May 2025

Users

monthly, 3 years
3464925Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 925 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
036Aug 2023Apr 2025Oct 2026
Latest, 16 Oct 2026: 6 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 Lett Web Dimmer

This extension is especially helpful for websites that don't support dark mode, it allows you to adjust the brightness level down to the level that suits you best. The extension is fully private and works in several modes allowing you to: - Enable it on specific websites only. - Enable it on all websites and disable it on some. - Enable it on all websites and use custom settings on some. If you wish to enable it on local files such as PDF files, go to: Extensions > Details > Allow access to file URLs

Growth

WindowUsersChangeRatingsRating
7 days+35+3.9%00.00
30 days+52+6.0%+1−0.50
6 months+116+14.3%+2−0.50
1 year+306+49.4%+2−0.50

Version history

19 versions recorded
24.6.34 Jun 2024
24.06.013 Jun 2024
24.05.3030 May 2024
24.05.2828 May 2024
24.05.2727 May 2024
24.05.2324 May 2024
3.1511 Jan 2024
3.1419 Jun 2022

Details

Category
Workflow & Planning
First seen
8 May 2021
Size
18 KB
Languages
en
Pricing
Free
Privacy policy
lett.app
Extension ID
bccgllhmbjhkaapbjfgbmeggjcpdhnbp

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
storagescripting
Site access
<all_urls>
Can read and change data on every website you visit.

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