Best browser extension AI tools

SubSync is a Chrome sidebar extension that revolutionizes AI conversations by introducing a multi-threaded thinking environment. It allows users to branch off into parallel discussions with AI models like ChatGPT or Claude, while keeping the main chat context intact. This innovative approach supports non-linear thinking, enabling deeper exploration, rapid experimentation, and more effective AI utilization for professionals.

Sinaptic is a browser extension that safeguards sensitive personal and health information (PII/PHI) from accidental leakage to AI tools like ChatGPT, Claude, and Gemini. It offers real-time detection, local processing for privacy, and enterprise-grade security to ensure data protection in AI workflows.

2-b.ai is a browser-based AI To-Do list extension that seamlessly transforms any web context into manageable tasks. It offers AI-powered task creation, breakdown, and an AI chat for workflow organization, integrating with Google Calendar to enhance productivity directly within your browser.

Veri is an AI-powered phishing and scam detection tool that provides a crucial second opinion before users click on suspicious links. It offers a browser extension for automatic safety checks and deep AI inspections for comprehensive online threat analysis, ensuring a safer browsing and email experience.

TiimoAI is an AI-powered Chrome extension designed to enhance productivity by intelligently tracking time, organizing browser tabs, and fostering deep focus. It provides detailed analytics on work patterns, helping users understand and optimize their daily output and achieve long-term goals.

Megi is a powerful browser extension designed for advanced AI users to efficiently manage long and complex AI conversation sessions. It automatically organizes prompts into a structured directory tree, supports major AI platforms like ChatGPT and Gemini, and offers intuitive features like drag-and-drop grouping, immersive navigation, and long text folding to enhance productivity and maintain a clean interface.

YapYap is an AI-powered browser extension designed to boost social media engagement on X and LinkedIn. It generates context-aware comments and replies directly within your feed, eliminating the need for tab switching or copy-pasting. With over 12 authentic tones and a smart pitch mode, YapYap helps creators, influencers, and professionals maintain consistent online presence, foster genuine interactions, and grow their reach effortlessly.

RateBud is a free AI-powered Amazon review analysis tool that helps shoppers detect fake reviews and make informed purchasing decisions. It provides instant trust scores, detailed analysis breakdowns, and browser extensions for seamless integration directly on Amazon product pages.

ChatMod is a powerful browser extension designed to supercharge your AI chat experience across platforms like ChatGPT, Gemini, Perplexity, and more. It offers advanced features for chat organization, navigation, and productivity, all while keeping your data local and private.

MemSync is an AI-powered browser extension designed to effortlessly save, organize, and collaborate on your AI conversations from platforms like ChatGPT, Claude, and Gemini. It offers smart memory saving, AI-driven organization suggestions, and seamless cloud synchronization.

Sideindexer is a powerful Chrome extension designed to revolutionize how you navigate and manage your AI conversations on platforms like ChatGPT, Gemini, and Claude. It provides instant indexing, persistent highlights, and advanced search capabilities, transforming lengthy AI chats into easily navigable knowledge bases.

BYOKList is the ultimate directory for discovering AI tools that support Bring-Your-Own-Key (BYOK) functionality. It empowers users to manage their budget, data usage, and AI integrations, while also enabling access to custom models with enhanced flexibility.

Fireyourqa is an AI-powered QA agent that automates web application testing. By installing a browser extension, users can record testing workflows once. The AI then learns these processes, autonomously runs continuous tests, validates all cases, and reports results directly in the browser, saving significant time and resources.

Cartinel is an AI-powered browser extension for Chrome and Firefox that acts as a financial guardian, preventing impulse purchases by showing the real-time impact of potential spending on your financial goals directly at checkout. It helps users make smarter spending decisions and achieve savings targets.

A browser extension designed to export AI chat conversations from platforms like ChatGPT and DeepSeek into beautifully formatted Word documents, copy LaTeX formulas with a single click, and capture full-length conversation screenshots.

AI Brother is a smart browser extension that leverages artificial intelligence to eliminate online distractions and enhance productivity. By understanding your specific focus targets, it intelligently blocks irrelevant websites in real-time, ensuring you stay on track whether you're studying, working, or researching.

AuraText is an AI-powered text assistant for Windows and browsers, enabling seamless generation, editing, and insertion of AI-generated text into any application. It features intelligent cursor locking, multi-AI provider support (Gemini, Perplexity, OpenAI), real-time text analysis, and a secure, private environment for enhanced productivity.

Tubly is a powerful and secure browser extension for Chrome, Edge, and Firefox, enabling users to download YouTube videos in up to 8K resolution and convert them to high-quality 320kbps MP3s. It supports YouTube Shorts, private content, and offers an ad-free, reliable offline viewing experience across all major operating systems.

AIAI is an all-in-one AI creative suite designed to transform ideas into stunning visuals and provide intelligent assistance. It offers powerful tools for generating images, videos, and text content, alongside specialized features like an AI Homework Helper and a productivity-boosting browser extension.

Copilotly is a personal AI copilot designed to enhance productivity and creativity across your digital workflow. It integrates seamlessly into your browser and favorite websites like Gmail, Twitter, and LinkedIn, providing contextual assistance, content generation, and strategic guidance. From drafting professional emails to brainstorming social media content and accessing expert advice from specialized AI personas like doctors and lawyers, Copilotly acts as your all-in-one digital assistant to help you achieve more, effortlessly.

A powerful browser extension for immersive, bilingual translation of webpages, PDFs, videos, and more. It supports over 10 AI engines like DeepL and OpenAI, offering a side-by-side reading experience to break down language barriers for learning, work, and entertainment.

Skeptic Reader is a free AI-powered browser extension for Chrome and Firefox that detects biases and logical fallacies in real-time. It analyzes web articles and YouTube transcripts, providing content scores, counter-arguments, and summaries to promote critical thinking and informed online reading.

An AI-powered browser extension for Chrome and Edge that instantly translates manga, manhua, and comics into over 135 languages. Enjoy your favorite series without language barriers, with support for on-page translation, image uploads, and both vertical and horizontal text.

Sider is a powerful AI copilot integrated into your browser sidebar. It brings ChatGPT, GPT-4, Claude 3, and Gemini to any webpage, allowing you to seamlessly summarize content, enhance your writing, explain complex topics, and chat with documents or videos. It streamlines your workflow by eliminating the need to switch between tabs, boosting your overall productivity and creativity.