HARPA AI – The Ultimate AI Browser Copilot for Automation & Productivity

HARPA AI is a powerful Chrome extension that turns your browser into an AI super-agent, blending multiple LLMs (ChatGPT, Claude, Gemini, Perplexity) with web automation. Launched in 2021 and trusted by 500,000+ users in 2025, it lets you summarize pages/videos/PDFs, generate content, scrape data, monitor prices, automate tasks, and more—all without leaving your tab. It’s privacy-focused (runs locally, no data storage) and replaces a dozen tools/extensions. Chrome Web Store rating: 4.7/5 (3K+ reviews), hailed as a “productivity game-changer” for marketers, researchers, and devs.

Key Features (2025 Edition)

• Page-Aware AI Chat — Interact with any website: summarize articles, extract data, rewrite text, or ask questions about content.
• Web Automation — Build no-code bots to click, fill forms, scrape tables/lists, monitor changes (prices, competitors, SERPs).
• Multi-Model Support — Switch between GPT-4o, Claude 3.5, Gemini, Perplexity; bring your own keys.
• Pre-Built Commands — 100+ prompts for SEO audits, email drafting, YouTube summaries, Midjourney prompts, social posts.
• Price/Stock Monitoring — Alerts for drops on Amazon/eBay; back-in-stock notifications.
• Content Tools — Generate SEO articles, tweets, emails in your style; translate/rephrase.
• 2025 Upgrades — Better agentic workflows, voice commands, enhanced scraping for dynamic sites.

Where You Can Use HARPA AI

• Marketers → SEO audits, content plans, competitor tracking.
• Researchers → Summarize papers/videos, extract data from sites.
• E-commerce → Price monitoring, product research.
• Developers → Scrape APIs, automate testing/forms.
• Everyday Users → Quick summaries, email replies, shopping deals.

Free or Paid?

• Free — Basic commands, limited daily runs (e.g., 100 messages), local models.
• S1 — $12/month (annual) – Higher limits, cloud models.
• S2 — $19/month – Advanced automation, unlimited.
• Enterprise — Custom – Team spaces, API. Token-based for heavy AI use; bring your own keys for unlimited.

Official URL

https://harpa.ai (install from Chrome Web Store)