HARPA AI

Chrome browser extension that integrates multiple AI models to realize web page automation and smart assistant functions

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https://harpa.ai/

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In-depth Report

HARPA AI is an AI extension based on the Chrome browser. It integrates mainstream large models such as ChatGPT, Claude, Gemini, Perplexity, and DeepSeek through a hybrid AI engine to provide users with web page automation, content generation, data extraction, and intelligent assistant functions. Positioned as a "browser co-pilot", HARPA AI can directly call AI capabilities when browsing web pages to implement web page summary, automated monitoring, data capture and other operations, significantly improving online work efficiency. Since 2025, the tool has been continuously updated and its functions have been continuously enhanced, attracting the attention of users who pursue productivity.
HARPA AI is developed and maintained by an American team, and the first version will be released in 2023. As a browser extension, its core positioning is to bring AI capabilities into users' daily browsing workflow. Unlike traditional stand-alone AI tools, HARPA AI is integrated directly into the Chrome browser, so users don’t need to switch apps to use AI features. This innovative model of "browser co-pilot" has attracted widespread attention in 2025 and was rated as one of the most popular AI Chrome plug-ins that year. This tool was last updated in 2026 and remains under active maintenance.
HARPA AI’s core capabilities include multiple aspects. The first is AI chat integration. Users can directly call GPT-4o, Claude 3.7, Gemini 3.1, Perplexity, DeepSeek and other AI models to have conversations in the sidebar of the browser. The second step is web content processing, including YouTube video summary, web page summary generation, keyword extraction, etc. The third is the automation capability, which supports tasks such as web page data monitoring, price tracking, and automatic form filling. There is also an AI writing function that can assist users in generating various types of online content. In terms of user experience, after the extension is installed in the browser, it will provide an AI assistant panel in the sidebar. Users can select text on any web page and right-click to call the AI processing function, and the overall interaction is smooth.
HARPA AI operates on a freemium model. Basic functions are available for free use to meet the daily needs of ordinary users. Advanced features require subscription payment, and specific pricing can be viewed on the official website. Judging from user feedback, the free version has enough functions for basic use, while the paid version is mainly for advanced users who need high-frequency use.
In terms of positive reviews, users generally believe that HARPA AI has significantly improved browsing and work efficiency. The integration of multiple AI models is a highlight, allowing users to choose the most appropriate model according to different tasks. The web summarization and data extraction features are well received and solve the problem of information overload. Chinese support is also one of its advantages. Negative comments mainly focus on the following points: as a browser extension, it requires a certain amount of browser resources; some advanced features require payment; some users mentioned that they have encountered performance problems caused by too many tabs.
From an industry perspective, HARPA AI represents the subcategory of “browser AI assistant”. HARPA AI provides a more out-of-the-box experience compared to open source frameworks like Browser Use. With the development of AI, these types of tools are becoming an important means to improve online productivity.
The main controversies faced by HARPA AI include: as a browser extension, it needs to obtain web page access permissions, and users are worried about privacy security; the auto-fill form function may trigger the anti-automation mechanism of the website; some users report that the paid functions are not as good as expected. In terms of data security, the risk of information leakage needs to be considered when using AI to process web content.
HARPA AI is suitable for content creators, researchers, e-commerce practitioners, etc. who need to frequently process web page information. Especially useful for users who need to automate repetitive web page operations. Ordinary users can use the free version to experience it before deciding whether to upgrade.
As a browser-integrated AI assistant, HARPA AI brings a variety of mainstream AI models into the browser environment to facilitate online work. Despite data security and performance concerns, its capabilities in web content processing and automation are still recognized by users.

User Reviews

Julie.GonzalezII699

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HARPA AI is so powerful! Integrating multiple AI models and calling them at any time is much more convenient than switching back and forth.

Noah10

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It is very convenient to summarize YouTube videos and saves time.

BobbyGonzalez_666

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The free version is enough, mainly for web page summarization and data extraction.

PatriciaJones_88

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The hottest Chrome plug-in in 2025, it’s really easy to use.

AThomas

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After installation, it takes up a lot of resources, and it will get stuck if there are too many tabs.

Kathryn.Cruz_Pro

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The data extraction function yyds is very convenient for e-commerce companies to monitor prices.

6H00IEHL9X

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Switch between Claude, GPT, and Perplexity at will, whichever one is easier to use.

David.Coleman_Max

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After paying, the functions are not as expected, and I regret upgrading.

GammaGain218

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Chinese support is well received and it is very smooth to use.

DeltaDefi245

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Browser extensions also need to obtain web page permissions, which feels less secure for privacy.

Noah_Price

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The auto-fill form feature occasionally fails and may be detected by the website.

m0bgkq

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It is much more efficient when used to write content. It is recommended for content creators to try it.

goldenelephant881

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Compared with Browser Use, HARPA is more out-of-the-box.

JoePetersonSr

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Use it as a summary when researching data, and the efficiency will be significantly improved.

Amy_RobinsonX

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Chrome extension takes up memory, I hope it can be optimized.

5ve7961

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Right-click to bring up AI processing, and select text to summarize directly.

BarbaraVasquez_Plus61

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For e-commerce companies, it is used to monitor price changes of competing products.

mICHELLE771

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The free version is sufficient, and the paid version is suitable for high-frequency users.

萧凤晨

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It’s easier to use than other plug-ins I’ve used before, with more model choices.

Rebecca_Evans_77

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An amazing tool to solve the problem of information overload, highly recommended!

MsNeeaKalas_x

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Chat directly in the sidebar without switching windows.

MClark_7908

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Setting up the web page automation process is a bit complicated, and newbies need to learn it.

AmandaBarnesK

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It’s even more fragrant after DeepSeek’s blessing.

BlockBearSchuster

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Continuously updated, looking forward to more features.

HARPA AI

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