harpa-ai

harpa-ai

HARPA AI is a browser extension and web agent that combines hybrid browser automation with multiple large language models to summarize content, automate web tasks, extract data, generate and edit text, and run page-aware AI agents directly in the browser.

harpa-ai is ai agents software teams evaluate for business operations. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Freemium API Enterprise 75/100
#450 in AI Agents (450 tools)
Added 0 year ago
Data reviewed Jul 15, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: Business Operations

What it does

AI Agents software for decision-makers comparing workflow fit and alternatives.

Best fit

Business Operations

Pricing snapshot

Freemium from Free (basic free tier and demo period for premium features)

Next step

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harpa-ai

HARPA AI is a browser extension and web agent designed to combine web automation with generative AI models to accelerate information extraction, content creation, and repetitive browser tasks. It provides page-aware AI features such as YouTube and document summarization, contextual answers with source citations, email drafting and inbox management, SEO and marketing workflows, and the ability to create browser agents that can read and act on page content.

The product targets professionals and teams who need automations tied to web pages (sales prospecting, scraping, monitoring, content creation, SEO, and developer workflows) and offers integrations with multiple LLM providers and automation platforms while emphasising privacy by design.

HARPA AI: Chrome extension for web automation using AI.

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Key Features

YouTube Summarizers

Extract key takeaways, jump to timestamps, and 'talk to' videos by extracting video transcripts and summarising long videos.

Answer Engine with Source Citations

Provide hallucination-reduced AI responses alongside Google Search with source citations by scanning websites and compiling informed answers and follow-ups.

Gmail Assistant

Categorise incoming emails with AI, summarise long threads, and draft contextual replies in your tone of voice.

Writer That Mimics Your Style

Generate emails, social posts, cover letters, SEO-optimised articles and other text while mimicking the user's writing style across multiple formats.

Web Page Monitor

Periodically check web pages for changes and notify users when updates occur.

Prebuilt Prompts & Automations

Access 100+ preconfigured page-aware automations and prompts for tasks like resume refinement, language practice, SMM content, code fixes and more.

Long-form Article Generation

Generate articles of 25,000+ words using multiple writing frameworks and iterative refinement steps.

Browser Automation & Scraping

Build automations that navigate websites, extract data, click buttons, fill forms and trigger IFTTT-like chains with Zapier, Make.com and n8n.

Multi-LLM Support & CloudGPT

Connect to many LLM providers (OpenAI, Claude, Gemini, Perplexity, DeepSeek, Meta Llama) and use HARPA CloudGPT available on S plan.

Midjourney & Prompt Wizard

Generate detailed image-generation prompts with 30+ templates and presets for Midjourney, DALL·E, Leonardo AI.

Language Wizard

Language learning assistant that corrects mistakes, explains grammar, builds learning plans and tests users across proficiency levels.

Quick Shortcuts

Keyboard shortcuts and quick actions (e.g., finish draft, check grammar, rephrase, translate) to speed up content workflows.

Privacy & Local Model Support

Supports local models like Meta Llama, claims not to log conversations, is GDPR compliant and can be paired with any LLM of choice.

Pricing

Free Tier Available

HARPA has a basic free tier and a demo period for its premium features.

Free / Basic

Free (basic free tier and demo period for premium features)
  • Basic functionality and demo of premium features

S plan

$12 per month (paid annually) — stated starting price
  • Includes CloudGPT connection, cloud command storage and chat history
  • Access to features like dialogue reuse across tabs

Browser Session Plus / ChatGPT Plus reference

$20 per month (Browser Session Plus / ChatGPT Plus referenced on the site)
  • Browser Session Plus and ChatGPT Plus referenced as paid upgrade options with per-session or rate limits

Use Cases

Productivity

Get instant AI assistance on Google Search, summarise web pages, rewrite text and extract structured data to accelerate research and daily tasks.

Marketing & SEO

Segment audiences, research keywords, create content calendars, perform AI-driven SEO audits and generate blog outlines and articles.

Learning

Create study plans, explain concepts, practice languages, generate quizzes and leverage the Language Wizard for grammar and corrections.

Copywriting

Generate all types of marketing and social content from tweets to long-form scripts and product descriptions using prebuilt prompts and templates.

HR & Recruiting

Improve resumes, write LinkedIn replies, generate cover letters and prepare job-related communications.

Product Development & Code Assistance

Write and inspect code, get answers to technical questions, and rewrite code between languages and stacks.

Integrations

OpenAI (ChatGPT / OpenAI API)

Use ChatGPT accounts or OpenAI API keys for generative AI features and GPT-5.4 access via API.

Anthropic Claude

Supported as an LLM provider for AI responses and workflows.

Google Gemini

Supported as an LLM provider.

Perplexity, DeepSeek, Meta Llama

Supported alternative LLM and search providers; Meta Llama can be used locally.

Zapier / Make.com / n8n

Trigger automation chains and integrate HARPA automations with external workflow platforms.

CloudGPT / CloudAI API

HARPA S plan includes CloudGPT and a CloudAI API for reliable access to models.

Benefits

Saves time by summarising long videos, PDFs and web pages and automating repetitive browser tasks.
Supports multiple LLM providers and local models for flexible AI connectivity.
Privacy-by-design claims: runs locally, does not store website data, and states GDPR compliance.
Integrates web automation with AI to both read and act on page content (scrape, click, fill forms).
Prebuilt prompts and automations reduce setup time for common workflows across marketing, SEO, learning and productivity.

Limitations

Firefox version is not available yet; planned for future releases.
Server API is a planned feature (not yet available).
Does not work with Google Sheets yet; some domains (e.g., Discord) may need browser fingerprint/protection adjustments.
YouTube transcripts might be unavailable for fresh or low-view videos; uBlock Origin can interfere and must be adjusted.
Installation issues (e.g., CRX_FILE_NOT_READABLE) can occur when installing CRX files manually or when some VPN protection features are enabled.

Frequently Asked Questions

What is HARPA AI?
HARPA AI is a browser extension powered by a hybrid AI engine that combines ChatGPT, Gemini, ClaudeAI, Perplexity and DeepSeek with web automation.
What is it used for?
HARPA automates copywriting, email management, web search, online data extraction and web monitoring tasks; it summarises content, drafts replies, extracts SEO keywords, automates form filling and more.
Is HARPA free?
HARPA has a basic free tier and a demo period for its premium features; the Basic S plan starts at $12 per month paid annually.
Do I need an OpenAI account?
Generative AI features require connection to AI service providers. You can use HARPA with a ChatGPT account, OpenAI API key, ClaudeAI, Google Gemini, OpenRouter and API keys, or CloudGPT on S plan.

Getting Started

  1. 1 Step 1: Add the HARPA AI extension to your browser (ADD TO BROWSER on the site).
  2. 2 Step 2: Configure AI connections — connect ChatGPT account, OpenAI API key, ClaudeAI, Google Gemini, OpenRouter or use HARPA CloudGPT (S plan) as described on the site.
  3. 3 Step 3: Use prebuilt prompts and automations or create custom AI Commands and prompt parameters to automate page-aware workflows.

Support

Docs / User Guides

User Guides and Videos are available on the site for onboarding and troubleshooting.

Contact form / Email

A contact form is available on the website to send messages to the HARPA team.

Community (Discord)

Product updates and community support are available via the HARPA Discord (referenced on the site).

API

Available: Yes
Documentation:

HARPA S plan includes a CloudAI API for access to OpenAI and ClaudeAI models; server API is planned. (Documentation referenced on site)

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