Sets the URL to be visited when the add-on is uninstalled. This may be used to clean up server-side data, do analytics, or implement surveys. The URL can be a maximum 255 characters.


  url,             // string
  function() {...} // optional function

This API is also available as browser.runtime.setUninstallURL() in a version that returns a promise.


string. URL to be opened after the add-on is uninstalled. This URL must have an http or https scheme. Set it to an empty string to not open a new tab upon uninstallation.
function. Called when the uninstall URL is set. If the given URL is invalid, runtime.lastError will be set.

Browser compatibility

Chrome Edge Firefox Firefox for Android Opera
Basic support Yes No 47.0 48.0 33


function onSetURL() {
  if (chrome.runtime.lastError) {
    // handle the error
  } else {
    console.log("set uninstall URL");

chrome.browserAction.onClicked.addListener((tab) => {
  chrome.runtime.setUninstallURL("", onSetURL);


This API is based on Chromium's chrome.runtime API. This documentation is derived from runtime.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

 Contributors to this page: Makyen, chrisdavidmills, wbamberg
 Last updated by: Makyen,