All extensions

Ensures only one tab per domain remains open. Automatically switches to existing tab when trying to open duplicate.

On-Page SEO & Alt Text Checker - Page Ready

Check any page before it goes live: meta tags, headings, broken links, placeholder copy and unlabeled buttons. Runs locally.

OnToplist

Manage your OnToplist listings — view rank, status, and traffic; submit new sites with one click.

ON Video Speed Controller

A Chrome extension to control video playback speed on web pages.

Oodalicious

Oodalicious: Caloric Monitoring Feedback Loop

OOMU Browser Bridge

Connect your active ChatGPT, Claude, Gemini, and Grok browser sessions directly to your local OOMU desktop workstation.

ooTwitch — Mod Toolkit

Boîte à outils pour les modérateurs Twitch + reporting d'activité.

OpenArt

Work with OpenArt in your browser and send references or files to new desktop work sessions.

Open Calendar Slots

Personal scheduling without the back-and-forth. Reads your Google Calendar, finds your free slots, formats them for copy-paste.

Openfeed

A random photograph from Openfeed in every new tab.

Open in Incognito

Adds a context menu item to open page in an incognito window.

Open in MergeHelper

Adds an "Open in MergeHelper" button to GitHub pull requests and GitLab merge requests.

Open in Old Reddit

Open reddit.com links in old.reddit.com in multi modes

OpenLine

Play pre-recorded voice messages into browser calls. For call center agents and anyone who repeats the same lines on calls.

Open Multiple URLs

Paste URLs (one per line) and open them in tabs. Optional dedupe, delay, and new window.

Open Page Imager

現在開いているページの画像を一括で取得できる拡張機能

OpenPass

开源的 2FA 认证工具，本地存储密钥，一键生成验证码

OpenRuler

Lokale Pixelmessung. Minimale Berechtigungen. Keine Speicherung, kein Tracking, keine Telemetrie.

OPEN SAUCE

Inject unnecessary engineering into any website. Scanners, inventions, blueprints, chaos effects, and easter eggs.

OpenTool

Chat with any LLM in your sidebar. Bring your own API key, plus agentic page actions.

OperIA

Enregistreur audio pour les appels

Oplog

Log your AI workflow operations into reusable pipelines

OPMG Review System

Automatically captures new customers from the system you already use, and your team can choose who gets a review request.

Opptymizer — Session Inspector

AI-powered WhatsApp session monitoring for Salesforce