Browser extensions starting with H

This extension hides user comments on YouTube.

Hides YouTube Shorts from common YouTube surfaces and redirects Shorts links to the main YouTube page.

Adds controls to hide or blur the WhatsApp Web contacts list.

Hides WhatsApp Web messages and media until you hover over them.

This extension hides the mouse pointer until you move the mouse again.

Prevents selected browsing history from being recorded during normal browsing.

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

Highlight Analyzer sends YouTube and Twitch chat, comment, and video context to its servers for analysis.

Highlights headings on webpages to make sections easier to identify while browsing.

Highlight IP Lookup sends selected text from the active page to ip-api.com for IP location lookup.

Highlight and save selected text across websites for later reference.

Highlights today in Google Calendar for easier date recognition.

Highlights, hides, or blocks selected search results in popular search engines.

Highlighter sends saved page highlights and page URLs to highlightor-api.lenoob.com when sync is enabled.

Highlighter exports selected page text, notes, URLs, timestamps, and configured email to a user-selected Google Sheet.

Highlighter Extension scans page text for your saved keywords and stores matching snippets for its popup.

Shows YouTube video highlights and chapters from timestamped moments in the player.

Hijinx sends Google Meet profile details and a generated player ID to its Firebase room database.

Hilltoppers sends extension analytics events and an embedded API secret to Google Analytics.

Hinkal Wallet lets any website switch the wallet's active blockchain network without a session check.

Hirecarta sends autofill field values, selectors, page URLs, and local storage identifiers to hirecarta.com analytics.

Hirecentive Coach reads job postings and displays skill-match results on supported job-board pages.

This extension clears browsing history based on user-configured age or all-history settings.

HoH Helper | Forge of Games forwards enabled Heroes of History game API payloads to Forge of Games.

This extension lets you play the Hole hook-and-ring HTML5 game in Chrome.

This extension lets you play Hole.io-style black hole gameplay in Chrome.

Holiday Calendar fetches regional calendar data over plaintext HTTP from calendar-crx.diary8.com.

This extension lets users apply Hollow Knight-themed custom cursors in Chrome.

Turns the new tab page into a Hollow Knight wallpaper dashboard with rotating backgrounds.

Hologram runs on video meeting sites to provide virtual avatar and video features.

Adds a keyboard shortcut for opening the browser Home button on Chromebook keyboards.

Homer Simpson Live Wallpaper sends new-tab shortcut URLs to Google's favicon service.

Homie VPN routes user-enabled browser traffic through remote proxy nodes from api.freeproxy.online.

Honda Civic Type R Live Wallpaper sends user-added shortcut URLs to Google's favicon service.

Honey Hive queries PayPal Honey's private API for every domain visited, spoofing browser traffic to evade bot detection.

Automatically clicks the full honeypot button on the Honeygain dashboard.

Horarios SAES injects CDN-hosted PDF libraries into IPN schedule pages where the schedule DOM is present.

This extension launches a collection of online horror games from Chrome with one-click access.

Hotel Ninja sends booking and confirmation page details from travel sites to reports.hotel-ninja.com.

Search selected page text with customizable keyboard shortcuts.

Helps developers inspect Turbo and Stimulus behavior in Hotwire applications.

Adds a customizable digital clock overlay to web pages.

Preview links in a hover-style browsing flow without leaving the current page.

Howdy - AI Messages Assistant lets matched external pages query your Instagram account through extension cookies.

Howl.Link captures the current page URL, OpenGraph image, and OpenGraph title on every matched site.

Hreflang Tag Checker V3 reads the active page URL and hreflang tags when you open its popup.

Huboh AI fetches server-assigned URLs with browser credentials and sends extracted page content to gateway.huboh.cloud.

Hudu Password Manager's passkey origin check lacks public-suffix logic, letting a shared subdomain spoof its parent as the passkey rp.id.

Hulu Extended injects Google Fonts on Hulu pages, causing those page visits to request Google-hosted font resources.

HumanLetter sends Gmail message content and metadata when it detects hidden tracking images.

Rewrites pasted AI-generated text into more natural, human-like writing in Chrome.

Exports the top 100 organic Google Search results to a CSV file.

Huru sends the current page's full HTML to its Supabase function when you create an interview.

This extension provides an HTML5 Tom and Jerry game where players guide Jerry, collect cheese, and avoid Tom.

HybridTV Dev Environment lets HbbTV pages navigate the tab and rewrite User-Agent headers.

Sets video playback speed up to 4x on sites with video content.

Hyperlink NFT Extension sends Twitter profile image URLs to Parami's staging ad lookup API.

Hypershoot sends the active tab URL and page title to hypershoot.com when you save a page.

Hyros Talk has no confirmed data-recipient behavior recorded in this scanner.

Shows the latest satellite image of Earth whenever you open a new tab.