Browser extensions starting with H

This extension adds HP Wolf Security browser protections when HP Wolf Security is installed on Windows.

Hola VPN captures Chrome-internal identity headers from your Google requests and sends them to its servers every 10 minutes.

Enables Honorlock-proctored online exams in Chrome.

Makes YouTube request H.264 video instead of VP8/VP9 for smoother playback on some devices.

Hides AI-generated overviews from Google search results.

Hunter sends the domain of every website you visit to extension-api.hunter.io on each tab change and navigation.

Launches HP Network Check from Chrome when internet access is not detected.

Adapts browser audio to music, movie, or voice presets for HP audio controls.

Applies high-contrast color filters to web pages to make text easier to read.

This extension lets you annotate webpages, PDFs, and EPUBs for notes, research, and discussion.

Adds enhanced hotel information to corporate travel search and booking workflows.

This extension modifies request and response headers, redirects requests, and cancels requests.

Play a casual helix-style fruit jump arcade game with mouse controls.

Fax, sign, and fill out Google Drive documents through HelloFax.

Horizon Browser Redirection forwards whitelisted page URLs, titles, and tab state to the local Horizon client.

The extension exposes an unauthenticated WebSocket proxy to every webpage via a content script injected into all URLs.

HyperTube - ускорение Ютуба sends a persistent device ID and public IP to its proxy backend.

Hide Youtube-Shorts loads Google Fonts when its extension popup opens.

Downloads HLS .m3u8 streams by fetching fragments and merging them into a single media file.

This extension plays .m3u8 HTTP Live Streaming content in the browser.

Copy page elements from websites and paste them into Framer.

Creates a clickable map of page headings, sections, and landmarks for easier navigation.

Highlight This fetches ad rules from HighlightThis and rewrites matching links on pages for ad-license users.

Highlight selected text on webpages and keep those highlights when you return.

Manage multiple social media networks from a Hootsuite dashboard.

Blocks and manages YouTube Shorts across feeds, search, notifications, and channel pages.

hotukdeals reports visited domains and detected product details to Pepper/HotUKDeals services.

Manages multichain crypto activity across EVM networks, TON, NEAR, Solana, Stellar, and TRON.

Creates a clickable table of contents from a page’s HTML headings and outline structure.

Track job applications and autofill online application forms from your Huntr profile.

Hoxx VPN Proxy sends proxy error URLs and user IDs to its API servers and fetches its server list from unsigned public CDN buckets.

HackBar stores the current page request URL, body, and headers locally for its DevTools request editor.

Pick colors from web pages or the screen and copy them as HEX, RGB, or HSL values.

Hides or shows YouTube video player controls with a keyboard shortcut.

This extension enables Google Chrome support for the HP SimplePass PC application.

Hive - Extension Detector sends enabled extension IDs, names, and versions to Smart Interviews pages.

This extension lets users speed up or slow down HTML5 videos in Chrome.

Handy Screenshot replies to any page's postMessage request with a live Google Drive OAuth token, without checking the sender's origin.

Hive Keychain injects its wallet API into every web page so that Hive-enabled sites can request blockchain transaction signing.

This extension adds a split-screen HTML editor for customizing Gmail messages.

HTMLエラーチェッカー reads visited page HTML locally when automatic checking or popup inspection runs.

Hides or blurs YouTube video thumbnails to reduce visual distraction and spoilers.

Improves YouTube livestream chat with performance optimizations, display controls, and chat filtering features.

This extension lets users play a physics-based platform game about recovering lost donuts.

Clears browsing history, cache, cookies, saved passwords, and form data with one click.

Shows a product’s price history while you browse supported Czech and Slovak e-shops.

Hoverify captures page DOM, cookies, headers, and XHR URLs from broad-match pages into extension storage.

Bulk Image Downloader - HImage reads image URLs from the active tab for user-selected downloads.

HAVAH Wallet sends wallet interaction events (connect, sign, transaction URLs) to Google Analytics with a persistent client UUID.

Adds HTML validation results to Chrome Developer Tools for HTML5 pages.

HTML to PDF generates a device fingerprint on each popup open and transmits it with geolocation data to hub.malson.eu.

Hack-Tools is a red-team browser toolkit that routes CVE lookups through corsproxy.io and ships hardcoded API keys for RSS feed services.