Browser extensions starting with U

Umbra Dark Mode copies cross-origin stylesheet text into page-readable style elements on every site.

Customizes YouTube by hiding recommendations, Shorts, comments, related videos, and other page distractions.

Removes CSS-applied blur effects from web pages and notifies you when finished.

Undetectable AI - Human Auto Typer sends Google Docs text to its Human Typer backend during typing and humanization.

This extension supports Amazon product research for AMZ sellers.

Unielon has no dynamically confirmed privacy or security findings in this scanner.

This extension autofills saved passwords and 2FA codes as part of the Uniqkey workplace password manager.

Downloads videos and images from supported websites for offline saving.

UpAhead Sync Companion uploads your school LMS session cookies to the vendor's cloud servers after each sync.

UpDog - TikTok & Instagram Analytics sends the signed-in Instagram username to a Supabase endpoint.

Upload to Google Drive captures a user-triggered screenshot of the active tab and uploads it to Google Drive.

Enables code-free, action-triggered in-app experiences for product adoption workflows.

Convert Unix timestamps and dates between epoch and human-readable formats.

unFunnelizer sends video download and conversion page URLs to Google Analytics and its backend.

UBC Workday Side by Side Calendar copies MyWorkday cookies into browser request header rules.

QuickLink sends the active tab URL to is.gd to create shortened links and shortened QR codes.

Highlights matching websites with a customizable colored border to help distinguish important URLs.

UiPath downloads and executes JavaScript code supplied by a local native host in both its background page and every web page visited.

Under New Management sends installed extension IDs to ExtensionBoost for developer-change checks.

This extension connects Mitel and OpenScape voice systems with modern cloud communication tools.

Displays Urdu text in a Nastaleeq font across supported websites.

User Presence for MS Teams Web Client injects periodic mousemove events into Teams tabs to keep status available.

Shows current course grades and estimates GPA/CGPA in the Odoo UCP student portal.

UFABC next sends university session cookies and page tokens to api.v2.ufabcnext.com.

UNISPY scans Shopify pages, stores catalog data locally, and sends visited store domains to Similarweb.

URL Link Previews for Gmail lists every signed-in Google account email and sends it to cloudHQ.

USG Group User Cookie sets a persistent internal_user cookie on USG websites.

Adds a dark theme to Udemy pages.

Unblock Bilibili can disable other enabled proxy extensions from its popup.

Enables supported web applications to access a connected smartcard through a native messaging host.

This extension provides a crypto wallet, Web3 transaction signing, messaging, and onchain domain browsing in the browser.

UpSearches sends search-event telemetry with persistent identifiers to webinline-usage.streamesh.net.

Boosts audio volume in browser tabs up to 1000% for quieter videos and streams.

This extension crops and stretches online videos to reduce black bars on ultrawide displays.

This extension cleans messy URLs by removing tracking parameters and unnecessary clutter.

UchiHelper sends Uchi.ru access tokens and uid cookies to dz-helper.ru while automating exercises.

This extension stretches or crops YouTube videos to better fill an ultrawide monitor.

Hides sponsored results on Google Search after they load.

Displays a movable UniTalk web dialer overlay across browser tabs for easier calling while using CRM pages.

Unikey processes typed characters locally to compose Vietnamese text in ChromeOS input fields.

This extension automatically detects and converts currency prices on webpages.

Usersnap captures the active tab screenshot and URL when you use its feedback popup and passes them to app.usersnap.com.

URL Auto Redirector redirects some matching HTTPS pages to HTTP versions using its enabled default rules.

Downloads images and media from pages with selectable collection modes and customizable URL remapping.

UTSniper copies its bearer token into EA Web App localStorage where page scripts can read it.

Instagram Downloader sends matched browsing URLs through a remote-configured promotional redirect service.

Provides one button for accessing Chrome bookmarks, extensions, downloads, history, and tabs.

UnInternet loads a remote Font Awesome stylesheet from cdnjs when its popup opens.

Unfollowers for Instagram - Insta Detective contacts a GetPantry basket from its popup feedback form.

This extension manages Universal Profiles and assets on the LUKSO network.

Play an offline Uno card game from a Chrome toolbar popup.

UpAlerts: AI Cover Letters exposes its account email to scripts on Upwork, Fiverr, and LinkedIn through a page event bridge.

UpLead - Find Emails on Websites sends the active tab URL to Segment analytics when its popup opens.

uDomainFlag sends each visited top-level domain with a persistent extension UUID to dfdata.bella.network.

Hides selected Twitch streams, channels, categories, tags, reruns, and title matches from Twitch pages.

Visually inspects and edits CSS styles on web pages in real time.

UI Kits for Wix Editor accepts Wix editor messages that write supplied component data to local storage and clipboard.