Browser extensions starting with H

HBO Max HQ collects viewing history, account PII, and subscription data and transmits them to third-party servers under remote command.

HBO Max Picture in Picture sends your Max watch history and profile details to me3x.online and metricsmint.quest.

HBO Max Speeder sends your Max viewing history and live-event activity to me3x.online and profile details to metricsmint.quest.

Converts HEIC image files to JPG directly in the Chrome browser.

HP Dynamic Audio captures URLs, page titles, and media sources from streaming sites and forwards them to a locally installed native app.

This extension enables printing from Chrome or a Chromebook through HP Secure Print.

HP Support Assistant for ChromeOS lets HP's support site request ChromeOS serial, hardware telemetry, and diagnostics.

The extension reads the device MAC address via a native messaging host and returns it to HSBC China online banking pages.

Compare HTML differences between browser tabs or paired production and development sites.

HTML Elements Screenshot can make every website response appear CORS-permissive when its CORS mode is enabled.

HTML to Figma disables other enabled extensions before converting the active page.

HTML5 Universal Speed Hack injects timing hooks into every page and lets page messages change them.

Shows whether each website supports HTTP/3, QUIC, or HTTP/2.

Blocks chosen websites unless you spend Habitica currency and includes a Pomodoro timer.

Hacker Tab sends your public IP address to ipinfo.io when you click Show IP on the new-tab page.

Halo sends dapp signing details, including wallet address and dapp origin, to KuCoin Sensors Analytics.

This extension replaces the Chrome New Tab page with a customizable productivity dashboard.

Hamatata.com Helper sends captured media URLs and page URLs to hamatata.com over HTTP when you open its player.

Hamty.cz doplněk sends the current shopping URL to Hamty affiliate endpoints during cashback activation.

Adds a toolbar button for hard-refreshing the current site with optional site data clearing.

Customizes new tabs with rotating Harry Potter wallpapers and quick-access widgets.

This extension shows aggregated notifications from Hatena services in the browser.

Request Amazon product reviews in bulk or individually from Seller Central.

Heurio sends user-submitted bug notes, screenshots, page URL details, and DOM selectors to its Azure backend.

HeyMax: Stack Miles & Rewards sends extension analytics events to Customer.io using credentials bundled in its content script.

Edit, convert, compress, merge, and use AI tools for PDFs online from the browser.

Hides YouTube end cards, labels, annotations, and subscribe icons while videos play.

Hide page elements with a right-click menu action.

Hides selected YouTube counts and engagement elements such as views, likes, subscribers, comments, and live chat.

This extension hides or collapses Google AI Overviews and other AI elements across Google services.

Highlight and Copy Protected Text sends the active page URL and device ID to Cresotech when copy mode is enabled.

Highlighty stores visited page URLs and search-term match counts locally when optional analytics are enabled.

This extension clears Chrome browsing data such as history, cache, cookies, downloads, passwords, and form data.

This extension provides a free VPN connection for accessing blocked sites such as YouTube.

Play an unblocked Hole.io-style multiplayer black hole game in Chrome.

Homer sends real-estate listing pages, search URLs, listing IDs, and page-view analytics to its APIs.

Horus Web sends active-tab hostnames with local Horus agent identifiers to Horus BI endpoints during navigation.

HowNow sends Google search terms to its backend when its search overlay is enabled.

Hudu Assist records password-field keystrokes during Process Capture and can send saved steps to Hudu.

Adds custom color options to Google Calendar events.

Hulu Speeder: adjust playback speed [QVI] uploads Hulu watch history and profile identifiers to me3x.online by default.

HumanizeAI sends selected or assistant ChatGPT content to its backend for rewriting.

This extension looks up Vietnamese, Hán-Nôm, Chinese, Sino-Vietnamese, and Pinyin dictionary entries from Chrome.

HAPPY ORDER injects a page script on shopping sites and disables Taobao anti-risk feature flags.

The extension sends report-issue submissions to Wireframeit with a secret embedded in its service worker.

Displays HTTP request and response headers for the current page.

This extension makes webpages editable in the browser.

Hackertab starts Sentry Replay in its new-tab UI with unmasked text and media and default PII enabled.

This extension converts webpage text with half-bold word highlighting and dyslexia-friendly font options.

This extension relays messages between Evergreen browser applications and the Hatch printer service.

Replaces the new tab page with a Hello Kitty live wallpaper and built-in browsing widgets.

Restores the Roblox greeting on the Roblox homepage.

This extension hides Google AI Overview boxes from search results pages.

Holmes sends unmatched bookmark-search text to Google Search over cleartext HTTP.

Opens a configured Home Assistant dashboard view from the browser toolbar.

Home page by Scott loads its new-tab background image and comment text from an Amazon S3 bucket.

Blocks ads on Hulu.com for a less interrupted streaming experience.