Growth signalNo paid features detectedMedium-risk permissions

Extension Excel Spreadsheets for Chrome

Extension Excel Spreadsheets.

Users512Current public install base

Rating--Store average score

Reviews0Public review volume

Manifest versionV3Extension platform version

7-day growth+13Net users gained this week

7-day growth rate+2.61%Relative weekly velocity

Preview

Extension Excel Spreadsheets for Chrome Media preview

3 assets

Trend

User growth trend

Review user movement across collected snapshots.

User Growth Over Time

Rating trend

7-day rating trend

View collected rating snapshots from the latest 7-day window to assess rating stability.

Not enough rating snapshots yet. More data will appear as new snapshots are collected.

Growth overview

Daily, weekly, and monthly growth

Compare 1-day, 7-day, and 30-day net growth and growth rate.

1-day growthGrowing

+15+3.02%

7-day growthGrowing

+13+2.61%

30-day growthGrowing

+56+12.3%

Technical snapshot

Version, languages, and crawl freshness

Review publication date, version, supported languages, and crawl timestamps.

Version1.2

ManifestV3

Size7.51KiB

Languages1English (United States)

Published--

Store updated--

Last crawled--

Overview

Product summary

Review the store description, core capabilities, and common use cases.

Extension Excel Spreadsheets for Chrome.

Excel Spreadsheets for Chrome

This Chrome extension allows users to adjust the brightness and background color of the Microsoft Cloud page. With a simple slider and color picker, users can customize their viewing experience to reduce eye strain and enhance readability. Ideal for anyone working on cloud-based spreadsheets or data management tasks.

Reviews

Recent review snapshot

Inspect the latest comments and rating distribution.

Store average score--Chrome Web Store aggregate rating, including ratings without synced review text

Synced text average--Average computed only from synced review bodies below

Reviews with text0Synced review bodies

Total ratings / reviews0Chrome Web Store public rating/review count

Store average score: --. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★

4★

3★

2★

1★

No synced review text is available yet.

Similar and related extensions

Review related products from the Chrome Web Store detail page.

Google Sheets Excel Shortcuts & Trace Formula

Tools

SheetWhiz brings Trace Precedents, Trace Dependents, Goal Seek, What-If, Macabacus format cycling, Excel and PPT shortcuts to Google

XLS Editor

Workflow & Planning

Create and edit XLS spreadsheets

Extension Word Edit Documents for Chrome

Household

Extension Word Edit Documents.

Recipe Saver AI

Household

Easily save the recipe from any webpage.

Simple Spreadsheet Extension

Tools

Opens a new tab with a simple spreadsheet interface.

Excel to Google Sheets

Tools

Convert an Excel or CSV file into Google Sheets by dragging and dropping it into your browser

AI product read

Brightness and background color adjustment for Microsoft 365 (m365.cloud.microsoft) pages, with a suspicious remote-controlled overlay system

Claims to reduce eye strain and enhance readability on cloud-based spreadsheet pages by allowing brightness and background color customization. However, also injects a remote-controlled modal overlay with an access code gate on Microsoft 365 pages.

User installs extension → navigates to m365.cloud.microsoft → content.js initializes brightness/background defaults → mcfstat.js fetches remote config and may show a blocking overlay requiring access code → user enters hardcoded code (UNIVERSAL55) to dismiss overlay → user can use popup to adjust brightness slider and background color picker which inject CSS into the active tab

Target users: Users of Microsoft 365 cloud services who want display customization / Potentially targeted users on m365.cloud.microsoft domains

Remote config at exc-extension353.vercel.app/mcfstat.json is not fetchable for analysis — the actual config content (iframe URLs, CTA URLs, domain lists) is unknown
The mcfstat.js overlay behavior is suspicious (remote-controlled overlay with hardcoded bypass code, obfuscated iframe creation using base64 'aWZyYW1l') — may be a bait-and-switch or adware pattern
The extension name 'Excel Spreadsheets for Chrome' is misleading — it does not provide spreadsheet functionality, only display customization

Monetization

No paid features detected

No payment UI, billing APIs, subscription checks, or upgrade flows found anywhere in the extension. The 'pro' keyword hits are false positives (payload in verified_contents.json, 'Provide' in placeholder text). No pricing or payment platform references exist.

Confidence: 90
Payment platform: --
Source: AI / Medium
Login required: No
Reason: The core brightness/color adjustment workflow requires no login. The mcfstat.js overlay on m365.cloud.microsoft has an 'access code' input (line 68), but the code is hardcoded in the extension source (UNIVERSAL55, line 80 of mcfstat.js). This is a local passkey gate, not a real authentication system requiring server-side credential validation.

Permission risk

Medium-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：activeTab、scripting

Publisher

CA

Independent publisher

Email: [email protected]
Phone: --
Address: --

Public contact fields are shown above. Developer portfolio pages are available on paid accounts.

View developer portfolio

Permissions

Host access