Browser extensions starting with O

Omegle location locator sends Omegle peer IP addresses to api.ipregistry.co after the user clicks its popup.

Forces Google omnibox searches to use google.com instead of country-specific Google domains.

Omnissa Experience Management sends monitored page URL paths and navigation performance/error metrics to its native host.

OndaLink lets any website frame its chat page and send your active tab URL to its backend.

Clear selected browsing data with a single click.

One Click SEO Checker opens SEO checker pages that include the current tab's host or origin in the URL.

Adds One Piece-themed custom cursors to Chrome with quick switching and size controls.

This extension replaces the new tab with an animated autumn Luffy live wallpaper and search tools.

Captures current-page and full-page screenshots from the browser with one click.

This extension connects users with a simple CRM for managing contacts, tasks, reminders, and sales activity.

Connects your browser to an existing OneShop account for marketplace account syncing.

Host or join OneStream Live Studio sessions from Chrome for multistreaming to multiple platforms.

Play a fruit-matching Onet Connect game in a Chrome toolbar popup.

Adds a toolbar button that opens an offline Rubik’s Cube-style game in Chrome.

Converts scanned pages, photos, screenshots, and image-based PDFs into editable text.

Provides a radio player with quick access to stations in Chrome.

Online Signature Generator for Email & PDF sends your Chrome profile email to BoloForms when its popup first opens.

View, format, validate, and edit XML in a readable tree-style interface inside Chrome.

Opa video downloader inventories media URLs and page titles from HTTPS pages for its popup.

Open Bookmarks in New Tab rewrites some Google, Microsoft, and Baidu bookmarks through a GitHub Pages redirect.

Provides a browser-based GUI for the notmuch command-line email indexing tool.

Open GitHub files in a supported local IDE at the selected line.

Preview how the current webpage appears in Open Graph and Twitter card formats.

Open Guessr Cheat reads your OpenGuessr bearer token and uses it to call account update APIs.

Opens links in new tabs for selected sites or temporarily on the current site.

Paste a list of links to open them in bulk, with options for delays, a new window, and tab grouping.

Opens a chosen number of random bookmarks from a selected bookmark folder.

Opens a song’s raw SoundCloud cover art image in a new tab.

Open current pages or links in clean popup windows without the standard browser UI.

Open in Bohrium opens clicked GitHub notebook URLs on bohrium.dp.tech.

Open in Builtwith opens the active tab's hostname on builtwith.com when you click its toolbar button.

Adds a button on GitHub repository pages to open the repository in the GitHub1s web app.

Open links and the current page in Tor Browser from your regular browser.

Adds a right-click option to open magnet links in Real-Debrid’s torrent page.

Moves links or the current page to another browser through the Switchbar desktop app.

This extension converts the current tab into a popup window from the right-click menu.

OpenBlock Bridge forwards page origins and full URLs to the OpenBlock wallet page during provider setup.

OpenBnB identifies your Chrome profile email to PostHog when the extension is installed.

Openwhyd track sends the active page details and selected track information to openwhyd.org when you post or search.

Adds a “Read on Europresse” button to find paywalled newspaper articles through an Europresse account.

Oppy AI sends LinkedIn job details to Oppy's analysis API when you ask it to score a job.

This extension asks supported analytics scripts on visited webpages not to track your activity.

OptiMalt sends Malt profile and search-analysis data to a Supabase backend when users run its optimization tools.

Option Search makes find.searchoption.net the default search provider and sends browser searches there.

Orange Juice checks Hacker News story URLs in your browser history to mark stories as read.

Orchid eBound - NICS Integration stores 4473 form details from any /portal page and copies them into CJIS NICS forms.

Merges browser windows and organizes tabs by URL, domain, or tab group.

Orian sends Google search prompts and Gmail reply or compose content to Groq when its Groq provider is enabled.

Automatically ranks Oriel programme preferences from a pasted Programme Preference list.

Downloads original-size images from Twitter using an image right-click context menu.

This extension lets web app users turn off microphone echo cancellation and voice optimizations.

Otio sends visited page URLs to its API to check whether they are already in your library.

This extension shows Otodom listing creation and modification dates again.

OutX imports Supabase code from esm.sh into its background service worker at runtime.

Outbox for Tumblr saves outgoing Tumblr ask contents in local extension storage.

Outbrain Direct Response - Pixel Compliance Checker checks pages for Outbrain pixel status and displays results in its UI.

Outlier Finder by moreoften.io sends YouTube video metadata it scores to a Supabase database.

This extension outlines HTML elements on a webpage to help inspect structure and debug CSS.

This extension lets users play OVO, an adventure game with puzzles, challenges, rewards, and character upgrades.

Over.fig forwards Figma overlay project data into the active web page.