Browser extensions starting with L

This extension provides LINE messaging, group chats, file sharing, stickers, and screen capture in Chrome.

Language Reactor sends YouTube and Netflix viewing metadata and subtitle transcripts to api.dioco.io on every page load.

Runs automated audits that generate reports on a web app’s performance, quality, and correctness.

Lightning Autofill fetches encrypted JavaScript from its servers and injects it into every web page for paid license holders.

Mix basic elements to discover hundreds of new items in a puzzle game.

Downloads detected M3U8/HLS streams from the active tab as a single local file.

Adds a loop button to YouTube videos so they can replay automatically.

LastPass Password Manager intercepts passkey requests and form credentials on all HTTPS pages to manage and store them.

LanguageTool transmits typed text and webmail recipient details to its own API servers during grammar checks.

This extension provides in-app training guides, announcements, tooltips, validators, and embedded resources.

Liner sends every visited page URL and Google search queries to its servers on each page load for logged-in users.

LINE Share sends the active tab URL or selected page text to LINE when you choose to share it.

Brings library access, references, annotations, and research guidance into the browser.

This extension provides a multichain crypto wallet for managing tokens, NFTs, swaps, staking, and DeFi access.

LikeBoost polls LikeBoost servers and uses your Instagram or Facebook session to like server-selected posts.

Extracts links from a web page and displays them in a separate tab.

LinkedIn Extension reads your LinkedIn session cookie to request LinkedIn badge counts.

Live Server Web Extension opens live-reload WebSockets from pages when the feature is enabled.

LeechBlock NG trusts lb-custom pages to complete block-page delay or password flows for chosen sites.

Language Learning with Netflix & YouTube sends subtitle text, viewing metadata, and your email to its appforlanguage.com servers.

Adds an activateable laser cat that lets you click page elements to zap and remove them.

LeechBlock NG reads browsing details locally to enforce user-configured site blocking rules.

Shows local library availability for books, music, and audiobooks while you browse supported sites.

Translates webpages, documents, selected text, and video subtitles with AI-powered bilingual views.

Select multiple links at once and open, bookmark, or copy them with a mouse drag.

Drag a selection box around multiple links to open, bookmark, or copy them quickly.

Reports an altered or fixed location to websites that request JavaScript geolocation.

Lumin reports PDF opening telemetry and device details to AWS Pinpoint when it opens PDFs in its viewer.

Manage Bitcoin, Ordinals, Runes, BRC-20s, Stacks assets, and NFTs from a self-custody wallet.

Manages Aleo blockchain wallet activity with privacy-focused transaction support.

This extension opens local file and folder links from web pages in their associated Windows applications.

The extension routes LostFilm.TV traffic through a hardcoded SOCKS5 proxy by default.

Manage Cardano digital assets, NFTs, staking, and DApp connections from a browser wallet.

LingQ Importer sends selected page text, metadata, and video subtitles to LingQ when you import a lesson.

This extension helps users learn French with games, interactive lessons, audio, and verb conjugation practice.

This extension helps users learn Spanish through interactive lessons, audio, and conjugation practice.

LockSelf Professional Password Manager intercepts outgoing request bodies on every website to detect and capture username and password pairs.

Limit - Set Limits for Distracting Sites records time spent on configured blocked domains in local browser storage.

Livdub sends the domain of every page you dub, a persistent install ID, and session details to its own telemetry server.

Launchpad Hero routes search queries through launchpadhero.com before sending users to Yahoo search results.

Extracts links from the current web page and displays them in a new tab.

Connects Chrome with LiveReload apps and compatible development tools for browser integration.

This extension lets you quickly change the browser locale for a tab.

Librezam sends audio fingerprint samples to an uncontrolled third-party Deno Deploy proxy and embeds recoverable API credentials in its bundle.

Shows strong and weak FACEIT maps for your team and opponents.

Laban Dictionary reads the word you select on any page and sends it to dict.laban.vn to look up its meaning.

LeetSync bundles a GitHub OAuth client secret and sends it to GitHub during account authorization.

Leetcode helper by labuladong places the user's labuladong site token into a LeetCode page iframe URL.

Lingopie intercepts Netflix and Disney+ subtitle tracks and sends the caption text to its own servers for translation.

Locker sends every URL visited, the domain of each site, and product page details to its vendor servers across all websites.

Lolli sends the hostname of every site you visit to its own servers to check for a cashback match.

Adds a context menu option to open long descriptions for page elements.

Lucky PDF Converter's new tab page routes its 'coupons' and 'recommended' shortcuts to BeFrugal through a hardcoded affiliate link.