It changes the URL to store the image in a specific session, so if you close the tab by accident you can reopen it from history (or ctrl+shift+t in some browser

It changes the URL to store the image in a specific session, so if you close the tab by accident you can reopen it from history (or ctrl+shift+t in some browsers) I've opened an issue for it now here: https://github.com/1j01/jspaint/issues/49 https://github.com/1j01/jspaint/issues/49