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Bad Request: Header Field Too Long [Error Fix]

Issues with the HTTP request header being sent from the browser

3 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Have you ever encountered the frustrating Bad request header field too long error message while browsing a website on Google Chrome, Firefox, or Microsoft Edge? If so, fret not!

The matter at hand bears resemblance to theHTTP error 400that we previously addressed in our guide.

Before addressing the issue at hand, we must examine its underlying cause.

Why does my PC keep saying Bad request: header field too long?

Why does my PC keep saying Bad request: header field too long?

This is mostly a cookie issue, and the following might be the reasons:

Fortunately, there are ways to rectify this cookie problem. Let’s explore some solutions.

How can I fix Bad request: header field too long?

How can I fix Bad request: header field too long?

1. For Google Chrome

2. For Mozilla Firefox

In the Clear recent history menu, choose the time range toEverything.

After doing that, the problem should be gone in Firefox.

3. Microsoft Edge

We hope this guide has provided you with the necessary assistance in resolving your concern. As you have witnessed, rectifying this problem is not as daunting as it may seem at first glance.

If you encounter any more obstacles, we suggest looking into our guide onWebsite is not accessible error. This resource may offer comparable solutions to your issue.

Your feedback would be greatly appreciated, so please leave a comment below and inform us of the most effective solution you found.

More about the topics:Browser errors

Loredana Harsana

Windows Software Expert

Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and she fell in love with tech of all sorts.

Whenever she’s not at her work desk, you’ll find her enjoying refreshing tea flavors, spilling stories on paper, and listening to the radio.

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Loredana Harsana

Windows Software Expert

Loredana is a tech enthusiast who tackles mobility, privacy, and networking in easy-to follow guides for everyone.