Browser extensions starting with D
475 browser extension security reviews, listed by name.

Disconnect
Disconnect
CleanDisconnect blocks tracker requests on all sites using hourly-refreshed rules fetched from services.disconnect.me without integrity checks.
Dark Mode for Google Docs
Google Doc Darkmode · Workflow & Planning
CriticalDarkness
Lifehack Labs
CleanThis discontinued extension no longer works in Chrome.
Debugger for Google Analytics 4
James Yoon
LowGA4 Debugger reads GTM dataLayer events on every visited page and displays them in a DevTools panel.
Dialpad Chrome CTI
Dialpad, Inc
CleanDialpad Chrome CTI scans every page's text for phone numbers, and reports visited URLs to Dialpad when an admin enables compliance.
Discord Token Login
Meta Infinity
MediumDiscord Token Login sends paste-event telemetry with the active tab hostname and field tag to its analytics proxy.
Dolby Voice
Dolby Laboratories
LowDolby Voice 1.3 exposes a postMessage bridge on all pages that allows any web page to relay messages to the native Dolby Voice application.
Don't Close Window With Last Tab
Marcel Dopita · Workflow & Planning
CleanThis extension keeps Chrome open by adding a pinned page when the last tab would close.
Download Master - Free Download Manager
Apps for Chrome · Accessibility
CleanDownloads linked files from a web page in bulk with type and text filters.
draw.io for Notion
JGraph
Lowdraw.io for Notion sends a 1x1 tracking-pixel request to log.draw.io each time you create or edit a diagram on a Notion page.

Dark Mode (WebExtension)
Bernard
LowDark Mode (WebExtension) applies dark styling across all websites by injecting CSS and JavaScript into every page.
Dark Theme for Google™
MeryDev
CleanAdds a customizable dark theme to supported Google services, including Search and Images.
Datadog test recorder
Datadog
CleanThis extension helps create browser test automation from the Datadog Synthetics platform.
DetailedTime
塗田一帆
CleanShows the detailed publication time for YouTube videos.
DownloadAs PNG JPG
DownloadAs PNG JPG
MediumDownloadAs PNG JPG sends a persistent device UUID to Google Analytics every hour via a background heartbeat.
Driver Support One
Asurvio LP
CleanDriver Support One is an AdGuard fork that injects a content script into every frame of every site to hide ads and page elements.
DanMage: Flow chat on YouTube & Twitch & more
teststaybaka · Fun
CleanDanMage sends the current YouTube or Crunchyroll content ID to www.danmage.com to fetch overlay chat.
dark-mode-%E2%80%94-night-reader
Wayne Price · Accessibility
CleanApplies dark themes, blue light filtering, and reading adjustments for more comfortable browsing.
Dashlinks - New Tab
Dashlinks
MediumDashlinks - New Tab replaces the browser's new tab page and sends every search query to search4it.net along with the extension ID and version.
Debrid-Link
DebridLink
MediumDebrid-Link renders notification details into every HTTP/HTTPS page where page scripts can read them.
DeepDyve
DeepDyve, Inc
CleanDeepDyve LitHub Connect scans academic pages you visit and sends detected citation IDs to its own servers automatically.
DeepSeek AI - Floating AI Chat
Liuzx
CleanDeepSeek AI sends user-selected text from any webpage to whichever AI provider API the user has configured.
Denote
Denote · Tools
HighDesigner Daily Report
Panda Network · News & Weather
MediumDesigner Daily Report exposes a postMessage handler that any webpage can use to open arbitrary tabs without origin validation.
Dice Thrower
Cameron Samuels · Fun
MediumDice Thrower fetches a remote HTML snippet from cameronsamuels.com and injects it into the popup via innerHTML on every open.
Disable Automatic Gain Control
Joey Watts
CleanDisables browser automatic gain control for your microphone in web applications.
Disable Page Visibility
Thomas Hoang
CleanDisable Page Visibility injects a script into HTTP and HTTPS pages to suppress visibility, blur, and focus events.
DocsWork
RedcoolMedia · Workflow & Planning
CriticalDocsvision Windows Client Launcher
Docsvision
CleanDocsvision Windows Client Launcher reads DOM parameters from Docsvision pages and forwards them to a local native messaging host.
Document Editor
officeonlinesystems · Workflow & Planning
CriticalDocument Translator - Translate PDF, PPT online
imgkits
CleanDocument Translator uploads user files to ai.imgkits.com cloud storage and transmits Google account credentials to imgkits.com on login.
DotGit
davtur19
CleanDotGit probes visited sites for exposed repository and sensitive-file paths and stores matching origins locally.
Downloads
James Coyle · Functionality
CleanAdds a toolbar popup for viewing and managing Chrome downloads.
DraftSharks Sync
Draft Sharks · Entertainment
LowDraftSharks Sync sends supported fantasy draft room data to DraftSharks for league draft syncing.
Dupe.com
Dupe.com · Shopping
MediumDupe.com sends the URL and product metadata from every HTTPS page you visit to Google Analytics.
Downloader
onlinetoolset.com
CleanDownloads Instagram images, videos, reels, stories, and highlights with added buttons and a right-click menu.
dotEPUB
Xavier Badosa · Workflow & Planning
CleandotEPUB sends the full HTML, URL, title, and author of the active page to dotepub.com when the user triggers an ebook conversion.

Dark Background and Light Text
Mikhail Khvoinitsky
CleanDark Background and Light Text modifies Content-Security-Policy and CORS headers on every page to enable its dark-mode style injection.
DNS Checker
Usman Haider · Developer Tools
CleanDNS Checker sends each visited site's resolved IP address to dnschecker.org during navigation.
Data Dive
Data Dive
MediumData Dive removes X-Frame-Options from subframe responses across all websites.
DeSpeed Validator
DeSpeed
CleanThis extension measures your internet speed and contributes proof-of-speed data to DeSpeed’s network.
Deal Search Plus
CleanDeal Search Plus makes dealsearcherplus.com the default search provider and sends omnibox searches to its search endpoint.
DealDrop: Automatic Coupons & Price Comparison
DealDrop · Shopping
CleanDealDrop reports each visited site's domain to its servers to look up coupons and price comparisons.
DeclutterGPT - Bulk Delete & Archive Chats
Rishab Sharma
CleanDeclutterGPT captures your ChatGPT Authorization token and reuses it to delete or archive selected conversations.
DefiLlama
defillama · Workflow & Planning
CleanThis extension adds wallet tags and missing token prices to Etherscan and similar blockchain explorers.
DeleteTweets
Lee · Social & Communication
LowDeleteTweets sends its paid license key over cleartext HTTP and reads your logged-in Twitter/X bearer token to drive bulk tweet deletion.
DWithEase
ForkPoint
LowDemandware With Ease sends encoded Salesforce Commerce Cloud account fields to Google Analytics on each Demandware instance visit.
Did you mean?
Did You Mean?
CleanDid you mean? routes address-bar searches and suggestions through secured-browse.net.
Dino 3D
Garrik Winters
LowDino 3D inserts a quick-access button into webpages that exposes its extension ID in page-visible DOM IDs.
Discord Chat Export Tool
summer25934930 · Tools
LowDiscord Chat Export Tool copies your Discord authorization token into a page-readable body attribute on discord.com.
Discord Web Quest Completer
HedgeStudio
CleanDiscord Web Quest Completer posts fabricated Discord quest progress while using a Discord desktop User-Agent.
Dmooji - YouTube Danmaku
Dmooji Team · Entertainment
LowDmooji - YouTube Danmaku reports YouTube live chat visits with persistent identifiers to Dmooji.
Doge Labs Wallet
Doge Labs
LowDoge Labs Wallet lets any top-level website request your wallet public key, balance, and inscriptions without connection approval.
Doodle games collection
Bronson · Fun
MediumDoodle games collection removes Content-Security-Policy and X-Frame-Options headers across all sites.
Douban Book+
OldPanda
CleanDouban Book+ sends Douban book page metadata to api.old-panda.com to retrieve ebook vendor links.
Downie (Unofficial)
HelloWorld
CleanThis extension connects supported video pages to Downie for downloading when available.
Download Blocker
SecurityJosh
LowDownload Blocker intercepts browser downloads and blocks HTML smuggling attacks based on enterprise-configurable file inspection rules.
Download Station (client for Synology NAS)
dvcol
MediumDownload Station sends NAS login passwords over HTTP when users keep its default http://diskstation:5000 settings.
DRGMED Ext
Nuance Communications, Inc.
LowDragon Medical Web Extension accepts postMessage without origin checks on all pages, allowing any site to inject text into active editors.
DropKiller
Scalboost
CleanDropKiller captures Facebook Ads Library results and TikTok shop, video, and ad API data for its servers.