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Markr — Web Highlighter & Annotator

By altrudevelop

Highlight text, add notes, and attach images on any webpage. Everything stored locally — no account, no cloud, no tracking.

View Chrome Web Store

Time on the storeUnder a yearA rough range, not an exact date

Store users3As shown on the Chrome Web Store

Chrome Web Store ratingNot rated yetNo store ratings yet

Last store update1 Jun 2026Version 1.0.4, 4 months ago

Inside the extension

Markr — Web Highlighter & Annotator developer product preview 1

Product image 1 of 1

Reviews

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Permissions & access

Access levelMedium

Can see the address and title of every open tab.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 7

Sensitive1

See the address and title of every open tabtabs

Standard6

Work on the tab you click it onactiveTab
Save its own settingsstorage
Store large amounts of its own dataunlimitedStorage
Add items to the right-click menucontextMenus
Open in the side panelsidePanel

Members also see when a new version asks for new access.

Website access 0

No website access beyond the tab you click it on.

Extension ID: fepejpfndppimloffmmjlccoadeglhkl
Package size: 959KiB
Manifest: Version 3

The maker

altrudevelop has 7 listings on the store. Updates most of their listings often.

Listings: 7
Combined store users: ≈30
Store Featured: 0
Updated in the last 90 days: 4 of 7

Lado — Key & BPM Overlay8 users · updated 6 months ago
Dweav AI SitePass Format6 users · updated 4 months ago
Anchor It4 users · updated 3 months ago
Image Fit+4 users · updated 3 months ago

Combined users can count the same person more than once. See all 7 listings

Ext Watch AI

Should you build in this niche?

One research report for Markr — Web Highlighter & Annotator. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
Ready in a minute or two
Report and PDF yours for 30 days