Reverse Image Search

Search largest image on the page or current image on Google, TinEye, Yandex, SauceNAO and iqdb.org

As of 23.12.2022. See апошняя версія.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Reverse Image Search
// @namespace    github.com/cvzi/
// @version      1.0.2
// @description  Search largest image on the page or current image on Google, TinEye, Yandex, SauceNAO and iqdb.org
// @author       cuzi
// @copyright    2022, cuzi (https://github.com/cvzi/)
// @license      GPL-3.0-or-later
// @match        *://*/*
// @icon         https://raw.githubusercontent.com/hfg-gmuend/openmoji/master/color/72x72/1F5BC.png
// @grant        GM_openInTab
// @grant        GM_registerMenuCommand
// ==/UserScript==

/*
    Reverse Image Search
    Search largest image on the page or current image on Google, TinEye, Yandex, SauceNAO and iqdb.org
    Copyright (C) 2022, cuzi (https://github.com/cvzi/)

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

/* globals GM_openInTab, GM_registerMenuCommand */

(function () {
  'use strict'

  function onKeyDown (keyCode, cb) {
    return function (ev) {
      if (document.activeElement === document.body) {
        if (ev.ctrlKey && ev.key === keyCode) {
          ev.preventDefault()
          cb(ev)
        }
      }
    }
  }

  function getUrl () {
    if (document && document.body && document.body.firstChild.tagName === 'IMG') {
      return document.location.href
    } else {
      const biggestImage = Array.from(document.querySelectorAll('img[src^=http],img[srcset]')).filter(img => img.src.startsWith('http')).map(img => {
        return {
          img,
          size: img.clientWidth + img.clientHeight + img.naturalHeight + img.naturalWidth
        }
      }).sort((a, b) => a.size - b.size).map(o => o.img.src).pop()
      if (biggestImage) {
        return biggestImage
      }
    }
    return document.location.href
  }

  function google () {
    /* Google reverse image search */
    GM_openInTab('https://www.google.com/imghp?sbi=1#habibi=' + encodeURIComponent(getUrl()), { active: true })
  }

  function tinEye () {
    /* TinEye reverse image search */
    GM_openInTab('https://tineye.com/search?url=' + encodeURIComponent(getUrl()))
  }
  function yandex () {
    /* Yandex reverse image search */
    GM_openInTab('https://yandex.com/images/search?rpt=imageview&url=' + encodeURIComponent(getUrl()))
  }
  function sauceNAO () {
    /* SauceNAO reverse image search */
    GM_openInTab('https://saucenao.com/search.php?url=' + encodeURIComponent(getUrl()))
  }
  function iqdb () {
    /* iqdb.org reverse image search */
    GM_openInTab('http://iqdb.org/?url=' + encodeURIComponent(getUrl()))
  }

  GM_registerMenuCommand('Reverse Image Search - Google', google, 'g')
  GM_registerMenuCommand('Reverse Image Search - TinEye', tinEye, 'q')
  GM_registerMenuCommand('Reverse Image Search - Yandex', yandex, 'y')
  GM_registerMenuCommand('Reverse Image Search - SauceNAO', sauceNAO, 'x')
  GM_registerMenuCommand('Reverse Image Search - iqdb.org', iqdb, ',')

  if (document && document.body && document.body.firstChild.tagName === 'IMG') {
    document.addEventListener('keydown', onKeyDown('g', google))
    document.addEventListener('keydown', onKeyDown('q', tinEye))
    document.addEventListener('keydown', onKeyDown('y', yandex))
    document.addEventListener('keydown', onKeyDown('x', sauceNAO))
    document.addEventListener('keydown', onKeyDown(',', iqdb))
  } else if (document.location.href.startsWith('/imghp') !== -1 && document.location.hash.startsWith('#habibi=')) {
    // Enter url into Google search form
    window.setTimeout(() => {
      document.querySelector('[role="button"][jscontroller]>img[src]').click()
      window.setTimeout(() => {
        document.querySelector('input[text=text]').value = decodeURIComponent(document.location.hash.substring(8))
        document.querySelector('input[text=text]').nextElementSibling.click()
      }, 500)
    }, 500)
  }
})()