Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

413 request entity too large

  • 1 reply
  • 38 have this problem
  • 2 views
  • Last reply by cor-el

AndyPeh
AndyPeh
more options

Able to open pages on Safari but on firefox this appears. How can I fix this error. - 413 request entity too large

Able to open pages on Safari but on firefox this appears. How can I fix this error. - 413 request entity too large

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

This issue can be caused by corrupted cookies.

Clear the cache and the cookies from sites that cause problems.

  • "Clear the Cache": Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"
  • "Remove the Cookies" from sites causing problems: Tools > Options > Privacy > Cookies: "Show Cookies"