Browser extensions starting with L

347 browser extension security reviews, listed by name.

  1. LlamaSearch

    0xngmi

    Low

    LlamaSearch sends displayed bookmark hostnames and top-site URLs to Google's favicon service.

  2. Local Media Player

    Scott Moore

    High

    Local Media Player sends consent-gated browsing URLs, headers, page titles, and referrers to its safe-browsing servers.

  3. Lock

    Lock · Privacy & Security

    Critical
  4. LockPage

    prismasolutions468

    Low

    LockPage installs a default page-lock password of 123 and uses it to unlock overlays on HTTPS pages.

  5. LockTheLoad - Loads Booking Manager

    solotechdude

    Medium

    LockTheLoad opens account pages with your bearer token in the URL and sends viewed DAT/TruckersEdge load details to its API.

  6. Locker - Password Manager

    CyStack

    Low

    Locker - Password Manager accepts sign-in tokens posted from pages and sends them to Locker's SSO endpoint.

  7. Locker: Bookmark Manager & Sidebar with Incognito Support

    abba4game

    Medium

    Locker protects cloud-synced private bookmarks with an encryption secret bundled in the extension.

  8. LodestarALM Extension

    Lodestar Inc.

    Low

    LodestarALM Extension sends every HTTP and HTTPS page URL to its native messaging host.

  9. Lofi Girl

    peterscraig203

    Low

    Lofi Girl fetches remote audio ad feeds and simulates ad playback events from its background service worker.

  10. Logie 5 for Amazon Influencers

    Logie Inc.

    High

    Logie Extension sends extracted Amazon product and search-page data to api.logie.ai.

  11. London Background Pictures New Tab

    londonpicturesnewtab

    Medium

    London Background Pictures New Tab sends searches typed on its new-tab page to feed.yeshlasearch.com.

  12. Loox reviews exporter

    browseraddons.com

    Clean

    Loox reviews exporter sends Loox review-page HTML to browseraddons.com during exports.

  13. Lovable Code Downloader

    imubashirhassan

    Clean

    Lovable Code Downloader reads JWT session tokens from Lovable pages and stores cookie tokens in extension storage.

  14. Lovable.dev Add-ons

    Rezaul Arif

    Clean

    Lovable.dev Add-ons sends prompts you choose to enhance to Groq with your stored Groq API key.

  15. Lucid

    Daniel Eden

    Low

    Lucid loads Google Fonts from Google each time it replaces the new tab page.

  16. Lucky Trader OpenSea Power Tools

    lucky-trader

    Clean

    Lucky Trader OpenSea Power Tools sends OpenSea collection slugs to api.luckytrader.com for rarity lookups.

  17. LuckyCoin Wallet

    Predmet

    Low

    LuckyCoin Wallet exposes the unlocked account address to every website through its injected provider.

  18. Luffy Gear 5 Live Wallpaper

    Ovkas

    Low

    Luffy Gear 5 Live Wallpaper sends saved new-tab shortcut URLs to Google's favicon service.

  19. Luxxle

    M Carlson

    Low

    Luxxle sends hostnames from your browser's top-sites list to DuckDuckGo for favicon images.

  20. Lyrics.com

    STANDS4 LLC

    Clean

    Lyrics.com sends selected or active form text from webpages to abbreviations.com services.

  21. Lystos en tu portal - ES

    Lystos

    Medium

    Lystos en tu portal - ES sends the full Registradores page HTML to services.lystos.com when registry results change.

  22. lavender | new tab

    fvrests · Fun

    Low

    lavender | new tab sends precise coordinates to OpenWeatherMap when its new-tab weather feature is used.

  23. linkding injector

    Fivefold

    Clean

    linkding injector sends search queries from supported search pages to the user's configured linkding API.

  24. LinkedIn Video Downloader

    So Lets Talk Digital

    Medium

    LinkedIn Video Downloader sends the user's signed-in Google account email to an unrelated third-party licensing server.

  25. Live Wallpaper: Gojo Hollow Purple - Jujutsu Kaisen

    Art & Design

    Low

    Live Wallpaper: Gojo Hollow Purple silently tags every New Tab search to Google or Bing with a hidden affiliate tracking code.

  26. Labs Token PRO

    Medium

    Labs Token PRO captures Google OAuth Bearer tokens from every website visited, not just labs.google, storing the last 5 unencrypted locally.

  27. Labubu Dance Live Wallpaper

    Gameograf · Art & Design

    Low

    Labubu Dance Live Wallpaper renders remote HTML from its own server directly into the new tab page with no sanitization.

  28. Lead Finder & Email Hunter

    elkeqin

    Clean

    Lead Finder - Email Hunter scrapes email addresses off every page you visit and stores them locally.

  29. 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.

  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. Lighthouse

    Harbour Technologies

    High

    Lighthouse routes all of your browser's traffic through a hardcoded third-party proxy server via an unlabeled icon on every new tab.

  32. Labubu Cursor

    MizuFlux · Fun

    Low

    Labubu Cursor accepts postMessage commands from any web page and fetches attacker-supplied URLs with the user's credentials.

  33. Leetcode Video Solutions

    Clean

    Leetcode Video Solutions sends the LeetCode problem slug to leetcodeanswers.com whenever you open a problem's solutions tab.

  34. LedgerPilot Vault Autofill

    kevin

    Clean

    LedgerPilot Vault Autofill looks up vault credentials from api.getledgerpilot.com and fills them into login forms on named vendor sites.

  35. Linked Leads, Linkedin Automation and CRM

    chrome-webstore

    Medium
  36. LeadGen Master

    The Digitalify

    Low

    LeadGen Master reads your WhatsApp phone number and Google account email and sends them to its own server on every WhatsApp Web load.

  37. Lotics

    Lotics

    Clean

    Lotics is an AI form-filling agent that drives your browser via Chrome's debugger protocol to read pages and enter data.

  38. LanzaVPN

    ViProject Limited

    Clean

    Provides free VPN connections with unlimited data and two server location choices.

  39. LeadContact-Phone Number & Email Finder for LinkedIn

    High
  40. LearnPlatform for Students

    LearnPlatform

    Clean

    This extension records general usage of LearnPlatform-listed education websites for school and district analysis.

  41. Lego Builder

    publish your design

    Clean

    Build Lego models online in Chrome or Firefox without an additional plugin.

  42. LetsVPN

    Letsgo Network Incorporated

    Clean

    This extension provides one-click VPN access with free trial and paid data plans.

  43. LinkLeadIn Notifier

    So Lets Talk Digital

    Clean

    LinkLeadIn Notifier sends your signed-in Chrome profile email to its vendor's server on every LinkedIn page load.

  44. LockDown Browser

    Respondus Inc

    Clean

    Locks down online exam sessions in supported learning platforms.

  45. LockDown Browser: AP Classroom Edition

    Respondus Inc

    Clean

    Provides a locked Chromebook testing environment for AP Classroom online assignments.

  46. Loupe Collage

    Loupe

    Clean

    Creates photo collages in custom shapes from uploaded photos and supported online sources.

  47. Lucidchart for Education

    integrations-ops

    Clean

    Creates and edits diagrams for school assignments and group projects in Lucidchart.