On cdn.wallapop.com, whenever pictureSize=W<number> and number < 1024, replace with W1024, to view individual pictures of items at higher resolution than provided by default.
// ==UserScript==
// @name [Wallapop] CDN: request individual images of articles of the highest resolution possible
// @description On cdn.wallapop.com, whenever pictureSize=W<number> and number < 1024, replace with W1024, to view individual pictures of items at higher resolution than provided by default.
// @icon https://www.google.com/s2/favicons?sz=32&domain_url=wallapop.com
// @icon64 https://www.google.com/s2/favicons?sz=64&domain_url=wallapop.com
// @author nooobye
// @namespace https://greasyfork.org/en/scripts/545851-wallapop-cdn-upgrade-smaller-w-sizes-to-w1024
// @version 2025-08-18
// @match https://cdn.wallapop.com/*
// @run-at document-start
// @noframes
// @grant none
// @license MIT
// ==/UserScript==
(function () {
try {
const url = new URL(location.href);
const ps = url.searchParams.get('pictureSize');
if (ps && ps.startsWith('W')) {
const num = parseInt(ps.slice(1), 10);
// Only sizes of W640 and W800 have been seen
if (!isNaN(num) && num < 1024) {
url.searchParams.set('pictureSize', 'W1024');
if (url.href !== location.href) {
location.replace(url.href);
}
}
}
} catch (e) {
// no-op
}
})();