Medium risk browser extensions

2,291 browser extensions our behavioural analysis rates medium risk, with the evidence behind each verdict.

  1. Undo Closed Tabs – Reopen Last Tab

    siegeappbrasil

    Medium

    Undo Closed Tabs bundles the Mellowtel SDK, which loads server-chosen pages in hidden frames and uploads their content.

  2. Boss Plus

    nightingales-developers

    Medium

    Boss Plus fetches a proxy script from yiban.io and can set it as the browser-wide Chrome proxy.

  3. Discord Token Login

    Medium

    Discord Token Login signs into Discord from a pasted session token, writing it into local storage and skipping the password and 2FA prompt.

  4. FreeexpressVPN Chrome

    FreeTools

    Medium

    FreeexpressVPN Chrome has no VPN/proxy function and sends the active tab's URL to a third-party geolocation API on every popup open.

  5. Alarm, Timer & Stopwatch for Browser

    siegeappbrasil

    Medium

    Alarm, Timer & Stopwatch bundles the Mellowtel SDK, which after opt-in loads server-chosen URLs in hidden iframes.

  6. Privacy Extension for WhatsApp Privacy

    tianfa9527

    Medium

    Privacy Extension for WhatsApp fetches a remote config from waplus.io that drives promotional banners and dialogs in WhatsApp Web.

  7. KittyCursor - Fun Custom Kitty Cursors

    chrome-store-publishers

    Medium

    KittyCursor bundles GiveFreely affiliate code that runs on every page and reports the URLs you visit to events.givefreely.com.

  8. 笔笔·bilibili视频批量下载助手

    Do It

    Medium

    The extension sends the host and full URL of every page you visit to huoxiaqu.com.

  9. Video editor VideoStudio

    RedCoolMedia

    Medium

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

  10. ViewGrip: For YouTube

    ViewGrip

    Medium

    The extension takes commands from viewgrip.net to like, subscribe and comment on YouTube from the user's logged-in account.

  11. Calculator Extension

    Souro

    Medium

    Calculator Extension redirects visits to server-listed sites and rewrites clicked links through a remote-chosen URL.

  12. Kendo-Linkedin Email Finder

    kendo

    Medium

    Kendo-Linkedin Email Finder auto-pages LinkedIn search results and uploads every listed member's profile data to its own server.

  13. Social Lead Extractor — Email & Phone Scraper

    EchoWebBot Studio

    Medium

    Social Lead Extractor uploads scraped Instagram profiles, including emails and phones, to the vendor's own server.

  14. Content Ninja Suggest

    content-ninja-dev-team

    Medium

    Generates AI comment suggestions for LinkedIn posts based on the user’s profile, tone, and settings.

  15. Mail Seen - Unlimited Email Tracker for Outlook

    Mobile Internet Limited

    Medium

    Mail Seen sends the full body, sender, recipient and subject of Outlook emails to its server when you click Send.

  16. Unfugly

    HackmyCode

    Medium

    Unfugly sends your SRM Academia cookies and student records to its own backend on onrender.com.

  17. Free Windows online emulators

    ApkOnline android online emulator

    Medium

    Free Windows online emulators sends the full URL of every page you visit to www.onworks.net.

  18. FunFluen: Fluency Made Fun

    App For Language

    Medium

    FunFluen sends your ChatGPT session token to its own testi.appforlanguage.com server with each AI chat request.

  19. 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.

  20. Spaulding Computer Web Defender

    Safety Redirector, LLC.

    Medium
  21. Digital Titans: Easy Keyword Research

    titansdotapp

    Medium

    Digital Titans sends your Etsy session cookies to its own server every time you search a keyword.

  22. MultiEye

    Medium

    MultiEye uploads P2P order records, counterparty identities and payment requisites from exchange pages to multi.tradecode.tech.

  23. Save Emails to Egnyte by cloudHQ

    cloudHQ

    Medium

    Save Emails to Egnyte lists every signed-in Google account email and sends it to cloudHQ when Gmail loads.

  24. Back up emails to SharePoint

    cloudHQ

    Medium

    Back up emails to SharePoint sends the list of all signed-in Google accounts to cloudhq.net when Gmail loads.

  25. LinkMatch for Insightly

    Yuriy Yazlovytskyy

    Medium

    LinkMatch for Insightly captures LinkedIn profile, messaging and search API responses and uploads them to app2.linkmatch.com.

  26. Fob

    eoseocn

    Medium

    Fob 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.

  27. LibreOffice writer online

    RunApps

    Medium

    LibreOffice writer online sends every page you navigate to, hex-encoded with a persistent ID, to www.runapps.org.

  28. Lockcard - Vocabulary Builder from YouTube, Articles & AI

    Yongfeng Chai · Education

    Medium

    Lockcard sends dictionary and translation requests to DeepSeek with a bundled API bearer token.

  29. Friend Ejector

    Leads Into Inbox

    Medium

    Friend Ejector reads your entire Facebook friends list and uploads it to its own backend server.

  30. LoveDeals: AI-Powered Coupon Finder

    LoveDeals: AI-Powered Coupon Finder

    Medium

    LoveDeals silently opens a hidden background tab through its own affiliate link on merchant sites you visit organically.

  31. Unblocked Games

    ValueFoundry

    Medium

    Unblocked Games routes five game and site domains through hardcoded third-party proxy IPs when the user turns the proxy on.

  32. KDP Genius Assistant

    kdpgenius

    Medium
  33. Clyck List

    hello

    Medium

    Clyck List reads your LinkedIn session cookies and sends them to its own backend to replay your login.

  34. Download Files as PDF by cloudHQ

    cloudHQ

    Medium

    Download Files as PDF reads all signed-in Google account emails in Gmail and sends them to cloudHQ every two weeks.

  35. K dropshipping pro

    ZQ Technology Co., Ltd

    Medium

    K dropshipping pro sends the full HTML of pages matching a server-supplied list to its vendor backend.

  36. Kodi online XBMC Media Center

    ApkOnline android online emulator

    Medium

    The extension sends the hex-encoded URL of every web page you visit to www.onworks.net.

  37. SERP Analyzer

    sbmzhcn

    Medium

    SERP Analyzer sends the hostname of every site you visit and your IP address to third-party servers on each page load.

  38. INTERALEX

    auctiongate.io

    Medium

    INTERALEX uploads all manheim.com cookies and Copart/IAAI login usernames to auctiongate.io.

  39. AI Translator

    JotMe

    Medium

    AI Translator sends the URLs of every open browser tab, across all windows, to JotMe's servers on popup open or Google Meet calls.

  40. Manage WhatsApp Inbox

    Dictation Daddy Technologies

    Medium

    Manage WhatsApp Inbox sends your WhatsApp number and each bulk message's recipient, text and active tab URL to its Firebase backend.

  41. 跨境电商ERP 辅助插件

    aebuyer630843

    Medium

    The extension runs JavaScript sent by its vendor's server inside pages and returns cookies and localStorage on request.

  42. Ubuntu online linux server

    ApkOnline android online emulator

    Medium

    Ubuntu online linux server sends the address of every web page you visit to www.onworks.net.

  43. BrowseHero: Maps & Travel Explorer

    BrowseHero.me · Travel

    Medium

    BrowseHero 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.

  44. Image editor PaintMagick for photos

    RedCoolMedia

    Medium

    PaintMagick sends the URL of every HTML, XML and image page you open to redcoolmedia.net.

  45. SL Sender

    Nature Green Technology · Communication

    Medium

    SL Sender bundles an affiliate SDK that watches every site you visit and opens background tabs to inject affiliate cookies when shopping.

  46. Console Poly

    Thầy CườngPN11

    Medium

    Console Poly sends the class roster and attendance record to a Google Form and its own server on every attendance submission.

  47. Carex Auto

    auctiongate.io

    Medium

    Carex Auto sends Copart and IAAI login usernames, with IP and location, to auctiongate.io for guest users.

  48. Chegg Expert Answer Link Finder

    VIPvishal

    Medium

    Chegg Expert Answer Link Finder sends the popup's rendered Chegg answer list and expert ID to vipsolutions.in.

  49. Presentation editor PPTWork for PPT slides

    RedCoolMedia

    Medium

    PPTWork sends every top-level page URL you visit, with the previous URL, to redcoolmedia.net.

  50. LibreOffice Calc online

    RunApps

    Medium

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

  51. Audio editor & music editor AudioStudio

    RedCoolMedia

    Medium

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

  52. battlepass-пополнение-steam

    finargot

    Medium

    BattlePass.ru appends your Twitch login cookie to playlist requests sent to tw2.finargot.ru.

  53. Handbrake - video converter

    RunApps

    Medium

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

  54. XlsCloud editor for Xls and Xlsx

    OffiCloud

    Medium

    XlsCloud sends the URL of every page you visit, plus the previous URL, to officloud.net.

  55. ZIZ WHATSAPP CRM ROJO - Your most powerful assistant for Marketing & Sales

    ZIZ CRM EXTENCION WEB WHATSAPP

    Medium

    ZIZ WhatsApp CRM sends your CRM data and uploaded files to a third-party backend, crmwhatsappred.toolscrm.com.

  56. YouTube Quick Keys

    Accessibility

    Medium
  57. online reading bookcase

    Medium

    Online Reading Bookcase embeds a vendor-hosted iframe on every page and sends it the page's URL and title.

  58. USA Deal Finder

    AdBhuT Extensions

    Medium

    USA Coupons, Deals, Promo Codes Search replaces your default search engine with chromecrxstore.com.

  59. COOKmate

    Maadinfo Services

    Medium

    COOKmate sends every cookie for the active tab's site, plus its URL, to www.cookmate.online.

  60. RAM Shipping

    PAR Soft, inc

    Medium

    RAM Shipping sends all manheim.com cookies and Copart/IAAI login usernames to auctiongate.io.