Software⏱️ 2 min read📅 2026-05-31

How to Fix: Chrome sendrequest error: TypeError: Converting circular structure to JSON

Learn how to fix: Chrome sendrequest error: TypeError: Converting circular structure to JSON.

Quick Answer: Try checking your system settings or restarting.

The 'TypeError: Converting circular structure to JSON' error in Chrome extension occurs when the `sendRequest` function receives a response that is not a valid JSON object. This can happen if the `getBrowserForDocumentAttribute` function returns an object with a circular reference, which cannot be serialized to JSON.

🛑 Root Causes of the Error

  • Using `sendResponse` function with an object that contains a circular reference.

🛠️ Step-by-Step Verified Fixes

Method 1: Avoiding Circular References

  1. Step 1: Check your response object for any circular references and remove or replace them with valid data.

Method 2: Using `JSON.stringify` to Fix Circular References

  1. Step 1: Use the `JSON.stringify()` method with a custom replacer function to remove circular references from your response object.

💡 Conclusion

By following these steps, you can fix the 'TypeError: Converting circular structure to JSON' error in your Chrome extension and ensure that your `sendRequest` function receives valid responses.

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