Browser extensions starting with H

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.

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

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

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

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.

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

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

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.

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

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

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.

hsmftp.honeywell.com Download tool starts downloads from base64-encoded hwdm links opened on Honeywell's site.

html.tomake.design (llama) lets any website trigger a page DOM capture into a downloaded .h2fig file.

HotelXray deletes Kasada, Cloudflare, Akamai, F5, and PerimeterX bot-detection cookies on hyatt.com and reloads the page on a block.

HTnini writes its extension runtime ID into the Hattrick page DOM when its in-page UI opens.

Hotukdeals runs on every website visited and reports the domain to a Browsy lookup service.

This Hulu.jp picture-in-picture extension also scrapes U-NEXT account and watch history and uploads it to a third-party server.

HTML editor WebStudio for Webpages sends the URL of every site you visit to a tracking server on each tab switch.

Hot.Game+ swaps in its own affiliate IDs on ~15 partner game stores, auto-enabled with no prompt on Opera, Yandex and Vivaldi.

Highlightion accepts your Notion login token from a local port with no origin check, and sends every page you visit to Google Analytics.

Hagro reads your full LinkedIn cookie jar, including the session-auth cookie, and exposes it to its own site.

Hide Yo Links stores your PIN and hidden links in plaintext in local browser storage.

Home Scope reads the current listing on realestate.com.au or domain.com.au and sends it to its own server for a location-based rating.

Hotel Bedding Rating Extension builds a browser fingerprint and sends it with every rating you submit.

Hide Spoilers works with Paramount Plus collects your Paramount+ account, subscription, and viewing activity and sends it to its own server.

This app provides online and offline access to HMH lessons, assessments, classroom collaboration, and reporting.