ProductsIntegrationsResourcesDocumentationPricing
Start Now

© 2026 CapSolver. All rights reserved.

CONTACT US

Slack: lola@capsolver.com

Products

  • reCAPTCHA v2
  • reCAPTCHA v3
  • Cloudflare Turnstile
  • Cloudflare Challenge
  • AWS WAF
  • Browser Extension
  • Many more CAPTCHA types

Integrations

  • Selenium
  • Playwright
  • Puppeteer
  • n8n
  • Partners
  • View All Integrations

Resources

  • Referral System
  • Documentation
  • API Reference
  • Blog
  • FAQs
  • Glossary
  • Status

Legal

  • Terms & Conditions
  • Privacy Policy
  • Refund Policy
  • Don't Sell My Info
Blog/Extension/How to find Google reCAPTCHA site key | By using CapSolver Extension
May24, 2024

How to find Google reCAPTCHA site key | By using CapSolver Extension

Rajinder Singh

Rajinder Singh

Deep Learning Researcher

Website security is paramount in recent days, and Google reCAPTCHA serves as a frontline defense against spam and abuse. Integral to this system is the reCAPTCHA Site Key, a unique identifier that ensures interactions on a website are human-driven. Understanding how to locate this key is essential for website administrators and developers alike.

What is a reCAPTCHA Site Key

A reCAPTCHA Site Key is a unique identifier used by Google reCAPTCHA to verify user interactions on a website. It is part of the reCAPTCHA service that helps protect websites from spam and abuse by ensuring that the interaction is being performed by a human rather than a bot.

How to Find Website's Google reCAPTCHA Site Key By Using CapSolver Extension

Now, let's delve into how the CapSolver extension simplifies the process of finding the Google reCAPTCHA site key:

Introducing CapSolver:

Capsolver, a powerful CAPTCHA recognition service, offers a comprehensive solution for users struggling to identify ReCAPTCHA v2 site keys. With its innovative capabilities, Capsolver simplifies the process of finding the site key and provides a user-friendly experience. Here's how Capsolver can assist users in identifying ReCAPTCHA v2 site keys:

Installation:

  • First, install the Captcha Solver Auto Solve extension on your Chrome browser.

Capsolver Setup:

  • Visit CapSolver.
  • Press the "F12" key on your keyboard to open the developer tools.
  • Navigate to the tab labeled Capsolver Captcha Detector.

Detection:

  • Without closing the Capsolver panel, visit the website where you intend to trigger the CAPTCHA.
  • Trigger the captcha.
  • Remember: Do not close the Capsolver panel before triggering the CAPTCHA.

CAPTCHA Parameter Detection:


Identifiable Parameters:

  • Website URL
  • Site Key
  • pageAction
  • isInvisible
  • isEnterprise
  • isSRequired
  • isReCaptchaV3
  • Api Domain
  • Capsolver Json:
    Once the CAPTCHA parameters have been detected, CapSolver will return a JSON detailing how you should submit the captcha parameters to their service.

How to Find Website's Google reCAPTCHA Site Key

  1. Visit the Target Website:
    Open the website where you want to find the reCAPTCHA Site Key.

  2. View Page Source:

    • Right-click on the webpage and select "View Page Source" or use the shortcut Ctrl+U (Windows) or Command+Option+U (Mac).
    • Alternatively, you can press F12 to open the developer tools and then select the "Elements" tab.
  3. Search for reCAPTCHA Code:

    • In the source code page, press Ctrl+F (Windows) or Command+F (Mac) to open the search box.
    • Type data-sitekey in the search box.
  4. Find the Site Key:

    • You will see a code snippet similar to the following:
      html Copy
      <div class="g-recaptcha" data-sitekey="YOUR_SITE_KEY"></div>
    • The value of the data-sitekey attribute is the reCAPTCHA Site Key for that website.

Example

Suppose you find the following code snippet in the source code of a website:

html Copy
<div class="g-recaptcha" data-sitekey="6Lc_aX0UAAAAABxX0X0X0X0X0X0X0X0X0X0X0"></div>

In this case, 6Lc_aX0UAAAAABxX0X0X0X0X0X0X0X0X0X0 is the Google reCAPTCHA Site Key for that website.

By following these steps, you can easily find the Google reCAPTCHA Site Key for any website. Please note that using other Site Key might involve legal and privacy issues, so make sure to use this information legally and ethically.

Conclusion

The CapSolver extension makes it easier for inexperienced newcomers to get started, and more importantly, it helps to solve reCAPTCHA, turning CAPTCHA into something invisible, which is very versatile. If you still have questions about how to find site key, or need to find other CAPTCHA parameters, feel free to ask. You can contact us by email support@capsolver.com or online customer service, we value your experience and hope to see you soon!

More

ExtensionApr 08, 2026

Browser Extension for Automatic CAPTCHA Solving: How to Use It Efficiently

Learn how to set up a browser extension for automatic CAPTCHA solving. Boost your web automation efficiency with step-by-step instructions and code examples.

Adélia Cruz
Adélia Cruz
ExtensionJan 12, 2026

Best CAPTCHA Solver Chrome Extension in 2026: Compared & Ranked

Discover the best CAPTCHA solver Chrome extension in 2026. Compare top tools like CapSolver and AZcaptcha for speed, accuracy, and AI-powered bypass of reCAPTCHA and Cloudflare.

Contents

Sora Fujimoto
Sora Fujimoto
ExtensionAug 30, 2023

CapSolver Extension: Effortlessly Solve Image Captcha and ImageToText Challenges in Your Browser

Use the CapSolver Chrome Extension for AI-powered, one-click solving of Image Captcha and ImageToText challenges directly in your browser.

Lucas Mitchell
Lucas Mitchell
ExtensionNov 29, 2023

How to Solve AWS Captcha Using Puppeteer [Javascript] with CapSolver Extension

Learn to seamlessly solve AWS Captcha with Puppeteer and Capsolver Extension, a detailed guide on setting up and automating captcha solutions effectively

Ethan Collins
Ethan Collins