tools
HARPA AI
HARPA AI is a browser extension for chatting with web pages, writing content, summarizing files, monitoring pages, and automating browser tasks.

HARPA AI runs in the browser and connects to web sessions, API keys, and cloud AI models. It can read pages and PDFs, summarize YouTube videos, write or reply to emails, search the web, extract data, and run reusable commands.
It is used by marketers, researchers, writers, recruiters, students, and teams. The free Demo plan has daily and total usage limits. Paid plans add larger token balances, scheduled commands, team features, and advanced automation; external API usage may cost extra.
Features
- Chat with web pages, PDFs, files, and YouTube videos
- Write emails, articles, posts, comments, and direct messages
- Create reusable AI commands and browser automations
- Monitor prices, pages, competitors, metrics, and products
- Schedule AI commands and run page monitors
- Connect web sessions, API keys, CloudGPT, and MCP servers
- Generate images and videos through supported AI connections
- Use AI vision, web search, page crawling, and function calling
Use cases
- Summarize articles, PDFs, web pages, and YouTube videos
- Draft and reply to emails across supported web apps
- Track competitor pages, product prices, and search results
- Build automations for research, data extraction, and form filling
- Create SEO briefs, keyword research, and blog content
- Review web documents, job listings, CVs, and legal documents
Pros
Cons
Capabilities
- Writes and edits — “HARPA mimics your writing style while crafting emails, tweet replies, LinkedIn cover letters, and SEO-optimised articles of unlimited length.” source
- Summaries — “Summarize YouTube videos, blogs, PDFs in seconds” source
- Automations — “Build AI-powered web automations that can navigate websites, extract data, click buttons and fill forms.” source
- AI agents — “Create an AI agent for your team, giving it access to page content, search and automation functions.” source
- API — “Yes. HARPA S plan comes with CloudAI API, and provides reliable access to OpenAI and ClaudeAI models.” source
Pricing
- Starting price
- $12/user/mo
- Prices checked
- 2026-10-25
for Everyone
- $12 per month, billed annually
- $12 billed monthly
- 75 Megatokens / year
- Cloud models including GPT-5.4, Sonnet 4.6 and Gemini 3.1 Pro
- Web Session Connections
- API Connections
- Summarize PDFs and Files
- Create Reusable Commands
for Pros
- $19 per month, billed annually
- 225 Megatokens / year
- Cloud models including GPT-5.4, Sonnet 4.6 and Gemini 3.1 Pro
- Web Session Connections
- API Connections
- Schedule Commands
- Advanced Automation
for Life
- $240 / LIFE paid once
- 30 Megatokens
- Bring your own API keys or use unlimited Web Session connections for life
- Summarize PDFs, Files and YouTube
- Create Reusable Commands
- Schedule Commands
- Advanced Automation