Browser extensions starting with W
817 browser extension security reviews, listed by name.
Window AI
Alex Atallah
LowWindow AI trusts page-supplied origin metadata, letting sites reuse previously allowed AI permissions.
Window Merger
CleanMerges multiple Chrome windows into one window while keeping normal and incognito windows separate.
Window Resizer
Softpulse Infotech
CleanResizes the current browser window to preset or custom dimensions for layout testing.
Wizzwoods
wizzwoods.com
LowWizzwoods removes Content-Security-Policy and X-Frame-Options headers on Twitter/X pages and frames.
Wondershare PDFelement - PDF Creator, Webpage to PDF Converter tools
www.hipdf.com
CleanWondershare PDFelement reads the active tab's cookies and full page snapshot and forwards them to the locally installed PDFelement desktop app via native messaging.
Word Counter
Word Counter
CleanCounts words and characters in selected text, text fields, pasted clipboard text, or text typed into the extension.
Word Counter Plus
extenhive
CleanCounts words, characters, and word lengths in selected text from the context menu or keyboard shortcut.
Word Editor
Keller
CleanEdit text and HTML documents in a browser-based word processor and save them as HTML files.
Word Search Puzzle
Jorvi · Fun
CleanPlay a browser-based word search puzzle with selectable categories and difficulty levels.
World Cup 2026
Cesar William · Entertainment
CleanShows World Cup 2026 matches, scores, standings, news, and team details in a Chrome side panel.
Worldtime
Lev Mishin
CleanShows time-of-day information across multiple locations with time zone and DST details.
WormWorld Connect Light
Luiz Antônio C Costa
LowWormWorld Connect Light redirects Wormate's game script to a WormWorld-hosted replacement.
warp
vikian050194dev
CleanOpens frequently used bookmarks quickly from a keyboard-driven search interface.

WhatsApp Pinned
semanticdata
LowWhatsApp Pinned loads its options page stylesheets from cdnjs.cloudflare.com and cdn.jsdelivr.net.

WhatRuns
Whatruns
MediumWhatRuns reads page HTML, email addresses, and server-selected page fields and sends them to whatruns.com.

Window Resizer
Kelvin
CleanResize and reposition the current browser window using preset or custom layouts.

WCAG Contrast checker
Rumoroso
CleanChecks page elements for WCAG color contrast using their computed text and background colors.
WA Number Checker - Check & Verify WA Number
WhatsABot team
CleanChecks bulk phone-number lists to identify which numbers are active on WhatsApp.
WABot - WA Bulk Message Sender
Alex
CleanSend bulk WhatsApp messages to contacts, group members, or label members with optional media attachments.
WEBM to MP4
wavconvert10
CleanConverts WEBM video files to MP4 through a simple upload-and-download workflow.
WEBM to MP4 converter: WebCodecs and FFmpeg support
dreambuilder.first
LowThe extension adds buttons beside WEBM links and fetches a Google Sheets promo feed in its converter UI.
Walftech Lua Generator
ONF Studios
LowWalftech Lua Generator loads Google Fonts and cdnjs stylesheets on Steam app pages.
Wallpapers - New Tab
Support Domino Marketing Ltd · Fun
MediumWallpapers - New Tab sends searches from its new-tab page to khereugo.com with affiliate parameters.
WallySmarter
WallySmarter
LowWallySmarter sends authenticated Walmart search page URLs and keyword context to chrome.wallysmarter.com.
WalmartHunt-Walmart Dropshipping Tools
MossExt
CleanWalmartHunt sends Walmart product IDs from listing pages to Etsyhunt to show product research data.
Watch Later Button
Pletnov Alex
CleanAdds a one-click button for saving YouTube videos to Watch Later.
Watched
Ayala Nakashima Barbosa · Fun
CleanTracks watched TV episodes and shows progress for each series.
Weather Forecast
Fast Simple Apps · News & Weather
LowWeather Forecast includes a shared OpenWeatherMap API key and sends weather requests to OpenWeatherMap.
Web Color Filter
ryan · Accessibility
CleanApplies visual color filters to websites, including dark-mode-style inversion and hue changes.
Web Marker - Draw on Websites
SFer
CleanWeb Marker captures the visible tab image when you use its screenshot or copy tool.
Web to MCP
Web to MCP · Developer Tools
CleanWeb to MCP uploads the current page URL, DOM HTML, token count, and screenshot to web-to-mcp.com after popup capture.
WebPreserver
Pagefreezer Software, Inc.
LowWebPreserver records HTTP and HTTPS request URLs, headers, cookies, and form bodies into extension storage.
Webflow Checker
Michael schwartz · Developer Tools
CleanThis extension indicates when the current website appears to be built with Webflow.
Webpage to Markdown
vinyas
CleanConverts web pages into clean, structured Markdown with one click.
Website Whitelist | Parent Control
eddundeadd · Privacy & Security
CleanAllows only whitelisted websites and blocks other sites based on user-defined browsing rules.
WhatsApp Everyone Tagger
Yassin Slati · Communication
CleanAdds a one-click @everyone button to WhatsApp Web group chats.
Wildberries редактирование карточки
Мой Маркетплейс
MediumThe extension sends the Wildberries WILDAUTHNEW_V3 session cookie to external.alteit.ru.
Window Resizer
Luan Gjokaj · Developer Tools
CleanWindow Resizer sends open-tab URLs to Google's favicon service when its popup displays saved tabs.
Wistia Video Downloader
G. Green
MediumWistia Video Downloader sends download telemetry, including page URLs and video IDs, to caverdant.online.
Wizardry Technique Converter
timothymricks
CleanConverts pixel measurements into percentages, em, or rem values using text shortcuts.
Word Counter
Oziku Technologies LLC · Education
CleanCounts words and characters on web pages or selected text with one click.
Work I/O
plaonn
CleanCalculates current work time based on GHRP work-hour information.
Workbench
guillaume.rebmann33
CleanWorkbench exposes stored Salesforce connection secrets and an OpenAI key to sf-toolkit.com pages.
World Clock
Sevina
CleanShows multiple world clocks in a browser toolbar popup.
WorthEPenny: Automatic Coupons & Cash Back
helencarpenter6668
CleanAutomatically applies coupon codes at checkout and offers cash back at participating stores.
Woysa
Vadim Minsky
CleanWoysa sends account passwords and Wildberries seller API keys to analitika.woysa.club in GET request URLs.
Wplace Tracer
ZaifSenpai
CleanAdds an overlay on wplace.live to help users trace drawings.
waView, Image Viewer and Editor
Smart Apps · Art & Design
LowwaView, Image Viewer and Editor opens waview.newappzone.com in a new tab when its background worker first starts.

Windowed - floating Youtube/every website
Michiel Dral
LowWindowed lets any web page ask its content script to move the current tab into an extension-created popup window.

Web Paint
Gabriel T. Stuart
LowWeb Paint saves user-created drawings to the current page's local browser storage after the tool is used.

WX Download Status Bar
Joseph Wensley
CleanAdds a bottom-of-page bar that shows download progress and status.

web_translate
Juraj Mäsiar
LowWeb Translate lets opened editor pages remove frame-protection headers for subframes in the current tab.

WebXR API Emulator
Mozilla Mixed Reality
CleanThis extension emulates the WebXR API so desktop browsers can run and test WebXR content without a real XR device.

Watchmarker for Youtube
sniklaus
CleanMarks watched YouTube videos using a saved watch history beyond YouTube’s recent-history markers.

Wallabagger
Simounet
CleanAdds the current page or a linked page to a wallabag account for later reading.

WhatCampaign
c0debabe
CleanThis extension changes Google Analytics tracking parameters in URLs to reduce tracking identifiers.

Widilo.co.uk Cashback Reminder
Widilo
MediumWidilo Cashback Reminder fetches coupon configs from SmartShopping and reports checkout coupon results with a persistent ID.

Who stole my pictures?
Wink
CleanWho stole my pictures? sends right-clicked image URLs or resized uploads to selected reverse-image search providers.
WhatsGreen
plcolte01
LowApp for WhatsApp and Messenger access removes security headers on messaging and social sites.
W3C Markup Validation Service for CSR pages
인스웨이브 시스템즈
CleanW3C Markup Validation Service for CSR pages places the active page's HTML in validator.w3.org when clicked.