Browser extensions starting with L
347 browser extension security reviews, listed by name.
LlamaSearch
0xngmi
LowLlamaSearch sends displayed bookmark hostnames and top-site URLs to Google's favicon service.
Local Media Player
Scott Moore
HighLocal Media Player sends consent-gated browsing URLs, headers, page titles, and referrers to its safe-browsing servers.
Lock
Lock · Privacy & Security
CriticalLockPage
prismasolutions468
LowLockPage installs a default page-lock password of 123 and uses it to unlock overlays on HTTPS pages.
LockTheLoad - Loads Booking Manager
solotechdude
MediumLockTheLoad opens account pages with your bearer token in the URL and sends viewed DAT/TruckersEdge load details to its API.
Locker - Password Manager
CyStack
LowLocker - Password Manager accepts sign-in tokens posted from pages and sends them to Locker's SSO endpoint.
Locker: Bookmark Manager & Sidebar with Incognito Support
abba4game
MediumLocker protects cloud-synced private bookmarks with an encryption secret bundled in the extension.
LodestarALM Extension
Lodestar Inc.
LowLodestarALM Extension sends every HTTP and HTTPS page URL to its native messaging host.
Lofi Girl
peterscraig203
LowLofi Girl fetches remote audio ad feeds and simulates ad playback events from its background service worker.
Logie 5 for Amazon Influencers
Logie Inc.
HighLogie Extension sends extracted Amazon product and search-page data to api.logie.ai.
London Background Pictures New Tab
londonpicturesnewtab
MediumLondon Background Pictures New Tab sends searches typed on its new-tab page to feed.yeshlasearch.com.
Loox reviews exporter
browseraddons.com
CleanLoox reviews exporter sends Loox review-page HTML to browseraddons.com during exports.
Lovable Code Downloader
imubashirhassan
CleanLovable Code Downloader reads JWT session tokens from Lovable pages and stores cookie tokens in extension storage.
Lovable.dev Add-ons
Rezaul Arif
CleanLovable.dev Add-ons sends prompts you choose to enhance to Groq with your stored Groq API key.
Lucid
Daniel Eden
LowLucid loads Google Fonts from Google each time it replaces the new tab page.
Lucky Trader OpenSea Power Tools
lucky-trader
CleanLucky Trader OpenSea Power Tools sends OpenSea collection slugs to api.luckytrader.com for rarity lookups.
LuckyCoin Wallet
Predmet
LowLuckyCoin Wallet exposes the unlocked account address to every website through its injected provider.
Luffy Gear 5 Live Wallpaper
Ovkas
LowLuffy Gear 5 Live Wallpaper sends saved new-tab shortcut URLs to Google's favicon service.
Luxxle
M Carlson
LowLuxxle sends hostnames from your browser's top-sites list to DuckDuckGo for favicon images.
Lyrics.com
STANDS4 LLC
CleanLyrics.com sends selected or active form text from webpages to abbreviations.com services.
Lystos en tu portal - ES
Lystos
MediumLystos en tu portal - ES sends the full Registradores page HTML to services.lystos.com when registry results change.
lavender | new tab
fvrests · Fun
Lowlavender | new tab sends precise coordinates to OpenWeatherMap when its new-tab weather feature is used.
linkding injector
Fivefold
Cleanlinkding injector sends search queries from supported search pages to the user's configured linkding API.
LinkedIn Video Downloader
So Lets Talk Digital
MediumLinkedIn Video Downloader sends the user's signed-in Google account email to an unrelated third-party licensing server.
Live Wallpaper: Gojo Hollow Purple - Jujutsu Kaisen
Art & Design
LowLive Wallpaper: Gojo Hollow Purple silently tags every New Tab search to Google or Bing with a hidden affiliate tracking code.
Labs Token PRO
MediumLabs Token PRO captures Google OAuth Bearer tokens from every website visited, not just labs.google, storing the last 5 unencrypted locally.
Labubu Dance Live Wallpaper
Gameograf · Art & Design
LowLabubu Dance Live Wallpaper renders remote HTML from its own server directly into the new tab page with no sanitization.
Lead Finder & Email Hunter
elkeqin
CleanLead Finder - Email Hunter scrapes email addresses off every page you visit and stores them locally.
Lockcard - Vocabulary Builder from YouTube, Articles & AI
Yongfeng Chai · Education
MediumLockcard sends dictionary and translation requests to DeepSeek with a bundled API bearer token.

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.
Lighthouse
Harbour Technologies
HighLighthouse routes all of your browser's traffic through a hardcoded third-party proxy server via an unlabeled icon on every new tab.
Labubu Cursor
MizuFlux · Fun
LowLabubu Cursor accepts postMessage commands from any web page and fetches attacker-supplied URLs with the user's credentials.
Leetcode Video Solutions
CleanLeetcode Video Solutions sends the LeetCode problem slug to leetcodeanswers.com whenever you open a problem's solutions tab.
LedgerPilot Vault Autofill
kevin
CleanLedgerPilot Vault Autofill looks up vault credentials from api.getledgerpilot.com and fills them into login forms on named vendor sites.
Linked Leads, Linkedin Automation and CRM
chrome-webstore
MediumLeadGen Master
The Digitalify
LowLeadGen Master reads your WhatsApp phone number and Google account email and sends them to its own server on every WhatsApp Web load.
Lotics
Lotics
CleanLotics is an AI form-filling agent that drives your browser via Chrome's debugger protocol to read pages and enter data.

LanzaVPN
ViProject Limited
CleanProvides free VPN connections with unlimited data and two server location choices.
LeadContact-Phone Number & Email Finder for LinkedIn
HighLearnPlatform for Students
LearnPlatform
CleanThis extension records general usage of LearnPlatform-listed education websites for school and district analysis.
Lego Builder
publish your design
CleanBuild Lego models online in Chrome or Firefox without an additional plugin.

LetsVPN
Letsgo Network Incorporated
CleanThis extension provides one-click VPN access with free trial and paid data plans.
LinkLeadIn Notifier
So Lets Talk Digital
CleanLinkLeadIn Notifier sends your signed-in Chrome profile email to its vendor's server on every LinkedIn page load.
LockDown Browser
Respondus Inc
CleanLocks down online exam sessions in supported learning platforms.
LockDown Browser: AP Classroom Edition
Respondus Inc
CleanProvides a locked Chromebook testing environment for AP Classroom online assignments.
Loupe Collage
Loupe
CleanCreates photo collages in custom shapes from uploaded photos and supported online sources.
Lucidchart for Education
integrations-ops
CleanCreates and edits diagrams for school assignments and group projects in Lucidchart.