Browser extensions starting with H

Hunter Spy stores Shopee product and search details in page localStorage and hidden DOM markers.

Routes browser traffic through hide.me proxy servers to change the visible IP address and location.

This extension hides Chrome address bar suggestions by automatically deleting matching browsing history records.

HDrezka Helper sends active-tab URLs to Google's favicon service when the current tab has no favicon.

This extension changes the browser cursor to Haikyuu-themed anime designs.

Hello Kitty Cursor injects an extension-identifying class into pages where it runs.

Helper Tools for ASOS fetches affiliate settings from getrates.su and appends them to clicked ASOS links by default.

Hides Google AI Mode and AI Overview elements from supported Google Search pages.

This extension hides Shorts, Reels, Stories, videos, and Explore sections on YouTube, Facebook, and Instagram.

This extension hides all open tabs and restores them later with a toolbar button or keyboard shortcut.

Highlight Emails in Gmail by cloudHQ sends signed-in Gmail account addresses to www.cloudhq.net during Gmail startup.

This extension highlights chosen words on websites with customizable lists, colors, and matching options.

Clears browser history for a selected time frame and browsing context.

This extension helps manage, search, save, import, and export browsing history beyond Chrome’s default history period.

Adds a configurable home button to Chrome’s top-right toolbar.

Hot Virtual Keyboard Extension reads page titles and marks input-focus state in document titles on every page it can access.

Hudl Multi Screen adds page controls whose DOM IDs include its extension runtime ID on Hudl video pages.

Hyper Bold stores each visited page URL and hostname in local browser storage.

This extension changes your IP location through a proxy/VPN network to access websites.

Allows early access to the upcoming semester in HKUST’s official timetable planner.

Happy Wild Cats tags default search requests with a persistent session ID sent to happycatswild.com.

Haxball All-in-one Tool sends chat messages you choose to translate to private-api-mkab.onrender.com.

This extension highlights h1–h6 heading tags on web pages.

Play a mouse-controlled arcade game about guiding a bouncing ball down fruit and cake platforms.

This extension changes the Chrome cursor to Hello Kitty-themed designs.

Hello Kitty Wallpaper New Tab sends your top-site URLs to Google's favicon service on the new-tab page.

Share a selected browser tab in real time through a link for sales calls.

Hilton ResSmart Click to Dial loads third-party Font Awesome CSS on matched call-center pages.

Hublead syncs LinkedIn invitation and connection details to its Hublead backend.

Highlight text on web pages and save short notes for later visits.

Generates a clickable heading and section map for web pages to help navigate document structure.

Automatically sets supported streaming videos to Auto 1080p and enables H264 playback on YouTube.

HBO Max Party sends Max viewing, account, and profile data to remote collection endpoints.

HTML Tag Error Checker sends selected page and link URLs to a local native host during its open-in flow.

HTML to Markdown converts selected page HTML to Markdown and writes it back to the clipboard.

HTML-Table Scraper copies selected table text and form field values to the clipboard or a local download.

Shows Chinese readings and Vietnamese/English definitions when you hover over text.

Shows browser notifications for updates from your Haystack intranet workspace.

This extension hides selected X/Twitter page elements based on options you choose.

Hides YouTube video controls in fullscreen with cursor-edge actions or a hotkey.

Hire3x Proctoring disables capture-capable extensions and reports tab activity during assessments.

HoloSchedule sends your selected member subscription mask to holo.dev during schedule syncs.

Opens Howdous in fullscreen when Enhanced mode is enabled for a better small-screen experience.

hektCaptcha downloads captcha-specific ONNX models from hekt-static.akmal.dev to automate challenge clicks.

Adds a DevTools HackBar for loading, editing, and executing URLs with encoding and testing utilities.

Html Validator sends inspected page HTML to W3C's online validator when the user runs online validation.

Hunter sends the active tab's domain to extension-api.hunter.io when pages load or the active tab changes.

Hides YouTube video controls with mouse-edge triggers or a configurable hotkey.

HBO Max Dual Subtitles sends subtitle text, tab details, runtime messages, and storage changes to Amplitude.

HKUL Search Assistant redirects opted-in publisher pages through HKU Libraries EZProxy.

This extension outlines selected HTML tags on a page and shows basic element details without opening the console.

Converts web pages, main articles, or selected text into GitHub Flavored Markdown.

HTTP Commander lets matching Default.aspx pages tell the browser to download page-supplied files.

Replaces the new tab page with random Haikyuu-themed colors, characters, and a minimal clock.

This extension provides an unblocked pixel-style Head Soccer game in Chrome.

Hero Wars Simulator fetches remote game-modification scripts and injects them into Hero Wars pages.

This extension converts Heyzine flipbooks into downloadable PDF files.

This extension replaces the new tab page with a customizable dashboard of widgets, bookmarks, search, and shortcuts.