Batch download emojis from any Discord server.

discord-batch-emoji-downloader.js

// 0. Open Discord's web client
// 1. Visit the server whose emojis you want
// 2. Open the emoji picker UI and keep it open
// 3. Minimize the page's zoom so that as many emojis load into the picker as possible
// 4. Open the browser's DevTools (press F12) > Elements tab
// 5. Search for the class "categorySection" e.g. <div class="categorySection-...">
// 6. Find the section that highlights the emojis you want when hovering over the element
// 7. Right click the element and Copy > Copy Element
// 8. Paste the element into a file "file.txt"
// 9. Run this script at the same location as "file.txt" to download all the emojis.

// Use a sensible sleep value so as not to rate-limit yourself
// The script relies on scraping so the regexp/logic may become outdated

const https = require("https");
const fs = require("fs");

const sleepDuration = 1000;

const emojiRegExp = /<li.*?<img.*?><\/li>/g;
const emojiNameRegExp = /alt=":(\w+?):"/;
const emojiUrlRegExp = /src="(.*?)"/;
const classNameRegExp = /class="(.*?)"/;

const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

const main = async () => {
  const input = fs.readFileSync("./file.txt").toString();

  const parsed = [...input.matchAll(emojiRegExp)]
    .map((match) => match[0])
    .map((fragment) => {
      const emojiName = fragment.match(emojiNameRegExp)[1];
      const emojiUrl = fragment.match(emojiUrlRegExp)[1];
      const className = fragment.match(classNameRegExp)[1];

      const isAnimated = className.includes("emojiItemDisabled");

      return isAnimated
        ? {
            emojiName,
            extension: "gif",
            emojiUrl: emojiUrl.replace("png", "gif"),
          }
        : { emojiName, extension: "png", emojiUrl };
    });

  for (const { emojiName, extension, emojiUrl } of parsed) {
    const file = fs.createWriteStream(`./${emojiName}.${extension}`);

    https.get(emojiUrl, function (response) {
      response.pipe(file);
    });

    await sleep(sleepDuration);
  }
};

main();