We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

We are facing issue when long URLs are used. Please let us know the maximum url length that can be used.

  • 1 resposta
  • 4 have this problem
  • 4 views
  • Last reply by cor-el

more options

What is the maximum length of URL supported in Firefox 3.5?

What is the maximum length of URL supported in Firefox 3.5?

All Replies (1)

more options

An URL of 7Kb shouldn't be a problem.


Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).