Extension Settings for Developers ​

Captcha Parameter Recognition Functionality ​

If you are unsure how to obtain the parameters of the captcha on the current webpage, you can try using the captcha parameter recognition functionality provided by the plugin. It will be very helpful and comes with the following features:

• Automatically recognizes the type and parameters of the captcha on the current page.
• Automatically generates JSON data required to call the CapSolver API service for you.

How to Use the Parameter Recognition Functionality ​

1. Enable the CapSolver plugin.
2. Press the F12 key to open the browser's developer tools and switch to the Capsolver Captcha Detector window.
3. Manually trigger the captcha, and the plugin will automatically display the detailed information of the recognized captcha, as shown in the image below:

Video Tutorial | How to identify Captcha's task parameters with CapSolver Extension ​

• How to identify reCAPTCHA v2 parameters | Using Capsolver Extension to obtain task parameters
• How to identify reCAPTCHA v2 invisible parameters | Using Capsolver Extension to obtain parameters
• How to identify reCAPTCHA v3 parameters | Using Capsolver Extension to obtain task parameters
• How to identify the FunCaptcha Parameters | Using Capsolver Extension to obtain task parameters
• How to identify the HCaptcha parameters | Using Capsolver Extension to obtain task parameters

Extension Settings ​

You can not only configure settings on the plugin panel but also through modifying the configuration file for additional functionality.

How to Modify the Configuration File and Install ​

1. Download the CapSolver extension latest zip installation package.
2. Extract the package, go into the folder, and find the configuration file: /assets/config.js.
3. Open config.js and modify the settings as needed, such as adding an API key.
4. Remove the previously installed CapSolver plugin from the browser. If not installed before, skip this step.
5. Go to the extension management page, click on Load unpacked, and select the folder where you just extracted the files.

Configurable Settings ​

How to Use the Plugin in Puppeteer and Selenium ​

Manually Install the Plugin ​

If you want to manually install the CapSolver plugin, follow the instructions in the tutorial above: How to Modify the Configuration File and Install

Automatically Install the Plugin via Code ​

1. Download the CapSolver extension latest zip installation package.
2. Extract the package, go into the folder, and find the configuration file: /assets/config.js.
3. Open config.js and modify the settings as needed, such as adding an API key.
4. If you are using Selenium, compress the extracted files back into a zip. If using Puppeteer, this step is not necessary.
5. Load the CapSolver plugin automatically through code. Examples are provided below:

• Puppeteer (Node.js)

const puppeteer = require('puppeteer');

(async () => {
  const path = 'C:/capSolver_extension';  // Folder where the plugin is extracted
  const browser = await puppeteer.launch({
    headless: false,
    args: [
      `--disable-extensions-except=${path}`,
      `--load-extension=${path}`,
    ],
  });
  const page = await browser.newPage();
  await page.goto("https://google.com/");
})();

• Selenium (Python)

from selenium import webdriver

chrome_options =  webdriver.ChromeOptions()
chrome_options.add_extension("./capSolver_extension.zip")  # Path to the zip file of the plugin
driver = webdriver.Chrome(options=chrome_options)
driver.get("https://google.com/")