ExtSpot

MarkM

2 extensionsTop install tier: 60K+ tier (top extension)Top category: tools

Full extension table

Browse the indexed Chrome extensions from MarkM with sortable market signals and pagination.

ExtensionCategoryInstall tierRatingStore update
Previews (For Twitch & YouTube & Kick) icon

Previews (For Twitch & YouTube & Kick)

entertainment60K+
4.8
Mouse4 Go-Back Block icon

Mouse4 Go-Back Block

tools222
5.0

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MarkM Chrome Web Store portfolio

MarkM is tracked on ExtSpot as a Chrome extension publisher with 2 linked extensions. The portfolio view combines store categories, install tiers, ratings, and update recency so readers can understand what this developer ships and which listings carry the strongest market signals.

Tracked extensions

2

Top install tier

60K+

Primary category

tools

Notable extensions from MarkM

These listings are ordered by install tier on the first portfolio page. Each item gives search engines and readers a concise description of the developer portfolio rather than only a table of IDs.

Previews (For Twitch & YouTube & Kick)

Previews (For Twitch & YouTube & Kick) is one of the Chrome extensions from MarkM in entertainment. It is listed with an install tier of 60K+. Current rating signal: 4.8.

entertainment60K+ usersRating 4.8Store updated

Mouse4 Go-Back Block

Mouse4 Go-Back Block is one of the Chrome extensions from MarkM in tools. It is listed with an install tier of 222. Current rating signal: 5.0.

tools222 usersRating 5.0Store updated

Portfolio analysis for MarkM

The portfolio appears strongest where install tiers, category focus, and recent store activity overlap. This section summarizes signals from the currently indexed Chrome Web Store listings.

Category footprint

entertainment: 1 listing in the visible portfolio sample.

tools: 1 listing in the visible portfolio sample.

Market signal summary

Strongest visible listing: Previews (For Twitch & YouTube & Kick) with 60K+ users.

Highest tracked install tier across the developer profile: 60K+.

Most recent visible store update: .

Trust and attribution

Developer website: not detected from explicit store fields.

Developer identity is linked by public developer ID, store contact fields, and normalized identity evidence from the catalog pipeline.

Discovery angles

Compare top listings by install tier before reading lower-traffic experiments.

Review category overlap to understand whether the publisher focuses or tests multiple markets.

Use update recency as an early signal for active maintenance.

Questions about MarkM

Short answers for searchers researching this Chrome extension developer and its store portfolio.

How many Chrome extensions does this developer publish?

ExtSpot currently links 2 Chrome extensions to MarkM.

What is the top category?

The current leading category is tools, based on indexed Chrome Web Store data.

Which extension has the strongest install signal?

Previews (For Twitch & YouTube & Kick) is the strongest visible listing in this profile sample, with an install tier of 60K+.

Is the official website known?

No explicit official website has been detected from trusted store fields yet.