Medium risk browser extensions
2,291 browser extensions our behavioural analysis rates medium risk, with the evidence behind each verdict.
Undo Closed Tabs – Reopen Last Tab
siegeappbrasil
MediumUndo Closed Tabs bundles the Mellowtel SDK, which loads server-chosen pages in hidden frames and uploads their content.
Boss Plus
nightingales-developers
MediumBoss Plus fetches a proxy script from yiban.io and can set it as the browser-wide Chrome proxy.
Discord Token Login
MediumDiscord Token Login signs into Discord from a pasted session token, writing it into local storage and skipping the password and 2FA prompt.
FreeexpressVPN Chrome
FreeTools
MediumFreeexpressVPN Chrome has no VPN/proxy function and sends the active tab's URL to a third-party geolocation API on every popup open.
Alarm, Timer & Stopwatch for Browser
siegeappbrasil
MediumAlarm, Timer & Stopwatch bundles the Mellowtel SDK, which after opt-in loads server-chosen URLs in hidden iframes.
Privacy Extension for WhatsApp Privacy
tianfa9527
MediumPrivacy Extension for WhatsApp fetches a remote config from waplus.io that drives promotional banners and dialogs in WhatsApp Web.
KittyCursor - Fun Custom Kitty Cursors
chrome-store-publishers
MediumKittyCursor bundles GiveFreely affiliate code that runs on every page and reports the URLs you visit to events.givefreely.com.
笔笔·bilibili视频批量下载助手
Do It
MediumThe extension sends the host and full URL of every page you visit to huoxiaqu.com.

Video editor VideoStudio
RedCoolMedia
MediumVideo editor VideoStudio sends the URL of each web page you visit, hex-encoded, to stream.redcoolmedia.net.

ViewGrip: For YouTube
ViewGrip
MediumThe extension takes commands from viewgrip.net to like, subscribe and comment on YouTube from the user's logged-in account.
Calculator Extension
Souro
MediumCalculator Extension redirects visits to server-listed sites and rewrites clicked links through a remote-chosen URL.

Kendo-Linkedin Email Finder
kendo
MediumKendo-Linkedin Email Finder auto-pages LinkedIn search results and uploads every listed member's profile data to its own server.
Social Lead Extractor — Email & Phone Scraper
EchoWebBot Studio
MediumSocial Lead Extractor uploads scraped Instagram profiles, including emails and phones, to the vendor's own server.
Content Ninja Suggest
content-ninja-dev-team
MediumGenerates AI comment suggestions for LinkedIn posts based on the user’s profile, tone, and settings.
Mail Seen - Unlimited Email Tracker for Outlook
Mobile Internet Limited
MediumMail Seen sends the full body, sender, recipient and subject of Outlook emails to its server when you click Send.
Unfugly
HackmyCode
MediumUnfugly sends your SRM Academia cookies and student records to its own backend on onrender.com.

Free Windows online emulators
ApkOnline android online emulator
MediumFree Windows online emulators sends the full URL of every page you visit to www.onworks.net.
FunFluen: Fluency Made Fun
App For Language
MediumFunFluen sends your ChatGPT session token to its own testi.appforlanguage.com server with each AI chat request.
阿蛙 · 阿里巴巴1688商品图下载助手
Do It
Medium阿蛙 sends the host and full URL of every page you visit to plug2025.bm-com.com.
Spaulding Computer Web Defender
Safety Redirector, LLC.
MediumDigital Titans: Easy Keyword Research
titansdotapp
MediumDigital Titans sends your Etsy session cookies to its own server every time you search a keyword.
MultiEye
MediumMultiEye uploads P2P order records, counterparty identities and payment requisites from exchange pages to multi.tradecode.tech.
Save Emails to Egnyte by cloudHQ
cloudHQ
MediumSave Emails to Egnyte lists every signed-in Google account email and sends it to cloudHQ when Gmail loads.
Back up emails to SharePoint
cloudHQ
MediumBack up emails to SharePoint sends the list of all signed-in Google accounts to cloudhq.net when Gmail loads.
LinkMatch for Insightly
Yuriy Yazlovytskyy
MediumLinkMatch for Insightly captures LinkedIn profile, messaging and search API responses and uploads them to app2.linkmatch.com.
Fob
eoseocn
MediumFob reads your full LinkedIn cookie set, including the li_at session cookie, and writes it into a form field on the vendor's own site.

LibreOffice writer online
RunApps
MediumLibreOffice writer online sends every page you navigate to, hex-encoded with a persistent ID, to www.runapps.org.
Lockcard - Vocabulary Builder from YouTube, Articles & AI
Yongfeng Chai · Education
MediumLockcard sends dictionary and translation requests to DeepSeek with a bundled API bearer token.
Friend Ejector
Leads Into Inbox
MediumFriend Ejector reads your entire Facebook friends list and uploads it to its own backend server.

LoveDeals: AI-Powered Coupon Finder
LoveDeals: AI-Powered Coupon Finder
MediumLoveDeals silently opens a hidden background tab through its own affiliate link on merchant sites you visit organically.
Unblocked Games
ValueFoundry
MediumUnblocked Games routes five game and site domains through hardcoded third-party proxy IPs when the user turns the proxy on.
KDP Genius Assistant
kdpgenius
MediumClyck List
hello
MediumClyck List reads your LinkedIn session cookies and sends them to its own backend to replay your login.
Download Files as PDF by cloudHQ
cloudHQ
MediumDownload Files as PDF reads all signed-in Google account emails in Gmail and sends them to cloudHQ every two weeks.
K dropshipping pro
ZQ Technology Co., Ltd
MediumK dropshipping pro sends the full HTML of pages matching a server-supplied list to its vendor backend.

Kodi online XBMC Media Center
ApkOnline android online emulator
MediumThe extension sends the hex-encoded URL of every web page you visit to www.onworks.net.

SERP Analyzer
sbmzhcn
MediumSERP Analyzer sends the hostname of every site you visit and your IP address to third-party servers on each page load.
INTERALEX
auctiongate.io
MediumINTERALEX uploads all manheim.com cookies and Copart/IAAI login usernames to auctiongate.io.
AI Translator
JotMe
MediumAI Translator sends the URLs of every open browser tab, across all windows, to JotMe's servers on popup open or Google Meet calls.
Manage WhatsApp Inbox
Dictation Daddy Technologies
MediumManage WhatsApp Inbox sends your WhatsApp number and each bulk message's recipient, text and active tab URL to its Firebase backend.
跨境电商ERP 辅助插件
aebuyer630843
MediumThe extension runs JavaScript sent by its vendor's server inside pages and returns cookies and localStorage on request.

Ubuntu online linux server
ApkOnline android online emulator
MediumUbuntu online linux server sends the address of every web page you visit to www.onworks.net.
BrowseHero: Maps & Travel Explorer
BrowseHero.me · Travel
MediumBrowseHero sends the URL and title of nearly every page you visit to its own server and can overlay ads or open tabs based on the response.

Image editor PaintMagick for photos
RedCoolMedia
MediumPaintMagick sends the URL of every HTML, XML and image page you open to redcoolmedia.net.
SL Sender
Nature Green Technology · Communication
MediumSL Sender bundles an affiliate SDK that watches every site you visit and opens background tabs to inject affiliate cookies when shopping.
Console Poly
Thầy CườngPN11
MediumConsole Poly sends the class roster and attendance record to a Google Form and its own server on every attendance submission.
Carex Auto
auctiongate.io
MediumCarex Auto sends Copart and IAAI login usernames, with IP and location, to auctiongate.io for guest users.
Chegg Expert Answer Link Finder
VIPvishal
MediumChegg Expert Answer Link Finder sends the popup's rendered Chegg answer list and expert ID to vipsolutions.in.

Presentation editor PPTWork for PPT slides
RedCoolMedia
MediumPPTWork sends every top-level page URL you visit, with the previous URL, to redcoolmedia.net.

LibreOffice Calc online
RunApps
MediumLibreOffice Calc online sends the hex-encoded URL of every page you open, plus the previous URL, to www.runapps.org.

Audio editor & music editor AudioStudio
RedCoolMedia
MediumAudioStudio sends the full URL of every web page you visit, hex-encoded with a persistent ID, to stream.redcoolmedia.net.

battlepass-пополнение-steam
finargot
MediumBattlePass.ru appends your Twitch login cookie to playlist requests sent to tw2.finargot.ru.

Handbrake - video converter
RunApps
MediumHandbrake - video converter sends the URL of every page you open, plus the previous URL, to runapps.org.

XlsCloud editor for Xls and Xlsx
OffiCloud
MediumXlsCloud sends the URL of every page you visit, plus the previous URL, to officloud.net.
ZIZ WHATSAPP CRM ROJO - Your most powerful assistant for Marketing & Sales
ZIZ CRM EXTENCION WEB WHATSAPP
MediumZIZ WhatsApp CRM sends your CRM data and uploaded files to a third-party backend, crmwhatsappred.toolscrm.com.
YouTube Quick Keys
Accessibility
Mediumonline reading bookcase
MediumOnline Reading Bookcase embeds a vendor-hosted iframe on every page and sends it the page's URL and title.
USA Deal Finder
AdBhuT Extensions
MediumUSA Coupons, Deals, Promo Codes Search replaces your default search engine with chromecrxstore.com.

COOKmate
Maadinfo Services
MediumCOOKmate sends every cookie for the active tab's site, plus its URL, to www.cookmate.online.
RAM Shipping
PAR Soft, inc
MediumRAM Shipping sends all manheim.com cookies and Copart/IAAI login usernames to auctiongate.io.