Browser extensions starting with O

Opens PDF links in a desktop PDF viewer from the browser context menu.

This extension can access browser tabs and pages across all websites.

Converts selected areas of a web page or image into text using OCR.

OCR Text Recognition injects coupon HTML from api.pictureknow.com into Taobao, Tmall, and JD product pages.

OKKI io 外贸客户开发邮箱地址查找工具 scans eligible pages for email addresses and sends found emails with the page URL to Xiaoman.

Olhar Digital Ofertas collects configured checkout page values and sends them to ofertas.olhardigital.com.br.

Replaces the new tab page with rotating One Piece wallpapers and quick-access tools.

One-Click Translate Selection opens Google Translate with the page text you choose from the context menu.

OneAI Extension lets any visited page trigger authenticated image uploads and OCR/edit workflows.

Online Subtitles renders locally selected subtitle text as HTML on every matched video page.

Open IE bundles an unsigned Windows executable and downloads it to the user's machine without any integrity verification.

This extension opens the current website in Similarweb for traffic and referral analytics.

This extension helps users find matching jobs and fill supported applications with saved profile information.

Play a collection of offline mini-games in Chrome without an internet connection.

Adds a One Piece-themed live wallpaper page with a clock, search bar, shortcuts, and custom cursor.

View EML email files and attachments without installing a separate email application.

Converts PDF, image, video, document, audio, and other files into different formats online.

Onlinesim Access fetches proxy settings over plaintext HTTP and applies them to OnlineSim domains.

Onoff Business | Click2Call & SMS scans pages for phone numbers in visible text and form inputs.

Open multiple entered URLs in separate Chrome tabs from a popup form.

This extension connects the active Chrome tab to a local OpenClaw relay on native Windows.

OpenLink Structured Data Sniffer accepts OIDC auth messages from any origin and stores them in extension storage.

This extension sends Global Privacy Control signals to websites you visit.

Opens new tabs next to the current tab instead of at the end of the tab bar.

Adds a context menu option to open audio and video links in VLC.

OCR Translator sends user-selected page screenshot regions to ocrt.iwanhae.kr for OCR.

Shows Amazon product search data, including predicted monthly sales and keyword competitiveness.

Adds developer tools and debug controls for Odoo and Odoo.sh workflows.

Offer.love uploads collected bank card-offer details to api.offer.love every six hours.

Search English–Malayalam dictionary entries from within Chrome.

This extension replaces Google Workspace logos and tab icons with older-style designs.

OmniDefend SSO Extension accepts forged postMessage tokens without origin validation, allowing any web page to read the Windows username when Windows autologin is configured.

Open Access Helper Web reads article DOI values from pages and sends them to open-access lookup APIs.

Checks a page’s Open Graph metadata and shows a social sharing preview.

Opens multiple selected clickable links in new tabs from the right-click menu.

Open multiple links from a selected area of a page at once.

This extension opens pop-up windows as tabs and can make links open in the same tab by default.

Orah Roll Checks identifies logged-in staff to Segment with profile, school, role, permission, and analytics IDs.

OshiKoi sends the active page URL to its chat API during system-trigger greeting messages.

orfline sends ORF TVthek page URLs to orfline.at when matching pages load.

Arabic and English Keyboard sends Teshkeel text from its popup to Farasa's diacritization API.

Synchronizes OBS Studio recording with OBS Teleprompter scrolling.

OUI9 HLS PLAYER M3U8 lets web pages drive tab-level request header changes through its public player page.

This extension provides a non-custodial multichain crypto wallet for managing assets, swaps, staking, and dApps.

Octagon Find appends a persistent extension-generated session ID to searches sent to octagonfind.com.

This extension toggles the browser between online and offline modes from the toolbar.

Old Images Redirect sends Google Lens image data to Google's classic image search upload endpoint.

This extension provides automated trading assistance and signals for the Olymp Trade platform.

Shares OnceHub booking links from within Gmail so users can schedule meetings without leaving their inbox.

This extension replaces the new tab page with rotating HD One Piece wallpapers.

One-Click TickTick sends the active tab URL, title, and readable page content to TickTick when creating a task.

This extension provides a drawing game combined with a physics engine.

This extension opens a free calculator for common arithmetic and scientific-style calculations.

This extension takes webcam snapshots and GIFs and can save them to Google Drive or your computer.

Opens the current tab or all tabs in Google’s Chromium browser.

Open webpages in a browser sidebar without switching tabs.

Open via Google Maps opens user-selected address text in Google Maps after an explicit user action.

OpenAPI DevTools records inspected-tab API request URLs, headers, and optional body examples for OpenAPI generation.

This extension provides browser-based access to the free OvO game.

Adds a dark mode appearance to Overleaf editor and document views.