Mass delete Reddit comments and posts
// ==UserScript==
// @name Reddit Comment/Post Mass Deleter
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Mass delete Reddit comments and posts
// @author c2y5
// @match https://reddit.com/*
// @match https://*.reddit.com/*
// @match https://old.reddit.com/user/*/comments/*
// @match https://old.reddit.com/user/*/submitted/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
const WORDLIST_URL = "https://raw.githubusercontent.com/first20hours/google-10000-english/refs/heads/master/google-10000-english-usa-no-swears-short.txt";
const CACHE_KEY = "reddit_randomizer_wordlist_cache";
function getElementByXPath(xpath) {
const result = document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
return result.singleNodeValue;
}
function waitForXPath(xpath, timeout = 5000) {
return new Promise((resolve, reject) => {
const interval = 100;
let elapsed = 0;
const check = () => {
const el = getElementByXPath(xpath);
if (el) resolve(el);
else if ((elapsed += interval) >= timeout) reject(new Error("XPath not found: " + xpath));
else setTimeout(check, interval);
};
check();
});
}
async function loadWordList() {
let cached = localStorage.getItem(CACHE_KEY);
if (cached) {
try {
const words = JSON.parse(cached);
if (Array.isArray(words) && words.length > 0) {
console.log(`Loaded ${words.length} words from localStorage cache.`);
return words;
}
} catch {}
}
try {
const resp = await fetch(WORDLIST_URL);
if (!resp.ok) throw new Error(`Failed to fetch word list: ${resp.status}`);
const text = await resp.text();
const words = text.split("\n").map(w => w.trim()).filter(w => w.length > 0);
localStorage.setItem(CACHE_KEY, JSON.stringify(words));
console.log(`Fetched & cached ${words.length} words from remote.`);
return words;
} catch (err) {
console.error("Error loading word list:", err);
return ["red", "blue", "green", "fast", "slow", "happy", "sad", "cat", "dog", "run", "jump", "sky", "tree", "car", "light", "dark", "fire", "water", "cloud", "stone"];
}
}
async function randomSentence() {
const words = await loadWordList();
let sentence = [];
for (let i = 0; i < 8; i++) {
sentence.push(words[Math.floor(Math.random() * words.length)]);
}
return sentence.join(" ");
}
function delay(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function handleRateLimit(container) {
const errorSpan = container.querySelector("span.error.RATELIMIT.field-ratelimit");
if (errorSpan && errorSpan.style.display !== "none" && errorSpan.textContent) {
const match = errorSpan.textContent.match(/Take a break for (\d+) seconds?/i);
if (match) {
const waitSeconds = parseInt(match[1], 10);
console.warn(`Rate limited: waiting ${waitSeconds + 1} seconds before retrying...`);
await delay((waitSeconds + 1) * 1000);
return true;
}
}
return false;
}
function styleButton(button, topPx) {
button.style.position = "fixed";
button.style.top = topPx + "px";
button.style.right = "10px";
button.style.zIndex = 99999;
button.style.padding = "10px 15px";
button.style.backgroundColor = "#ff4500";
button.style.color = "white";
button.style.border = "none";
button.style.borderRadius = "5px";
button.style.cursor = "pointer";
button.style.userSelect = "none";
button.style.fontWeight = "600";
button.style.fontSize = "14px";
button.style.display = "flex";
button.style.alignItems = "center";
button.style.justifyContent = "center";
button.style.width = "160px";
button.style.height = "40px";
}
if (window.location.hostname === "old.reddit.com") {
const userCommentsRegex = /^\/user\/([^\/]+)\/comments(\/.*)?$/;
const userSubmittedRegex = /^\/user\/([^\/]+)\/submitted(\/.*)?$/;
window.addEventListener("load", () => {
const commentsMatch = window.location.pathname.match(userCommentsRegex);
const postsMatch = window.location.pathname.match(userSubmittedRegex);
if (commentsMatch) {
const username = commentsMatch[1];
const btnRandomize = document.createElement("button");
btnRandomize.textContent = "Randomize All Comments";
styleButton(btnRandomize, 10);
const btnDeleteComments = document.createElement("button");
btnDeleteComments.textContent = "Delete All Comments";
styleButton(btnDeleteComments, 60);
const btnGoToPosts = document.createElement("button");
btnGoToPosts.textContent = "Go to Posts";
styleButton(btnGoToPosts, 110);
document.body.appendChild(btnRandomize);
document.body.appendChild(btnDeleteComments);
document.body.appendChild(btnGoToPosts);
btnRandomize.addEventListener("click", async () => {
const comments = document.querySelectorAll("div.thing.comment");
if (comments.length === 0) {
alert("No comments found!");
return;
}
if (!confirm(`This will replace text of ${comments.length} comments with random 8-word sentences. Proceed?`)) {
return;
}
for (let i = 0; i < comments.length; i++) {
const comment = comments[i];
const editLink = comment.querySelector("a.edit-usertext");
if (!editLink) {
console.warn("No edit link found for comment:", comment.id);
continue;
}
editLink.click();
await delay(500);
const editor = comment.querySelector("div.usertext-edit textarea");
if (!editor) {
console.warn("No editor textarea found for comment:", comment.id);
continue;
}
editor.value = await randomSentence();
editor.dispatchEvent(new Event("input", { bubbles: true }));
let saved = false;
while (!saved) {
const saveBtn = comment.querySelector("button.save");
if (!saveBtn) break;
saveBtn.click();
await delay(1000);
const waited = await handleRateLimit(comment);
if (!waited) saved = true;
else console.log("Retrying save after rate limit wait...");
}
await delay(500);
}
alert("Done attempting to randomize all comments!");
});
btnDeleteComments.addEventListener("click", async () => {
const comments = document.querySelectorAll("div.thing.comment");
if (comments.length === 0) {
alert("No comments found!");
return;
}
if (!confirm(`This will DELETE ${comments.length} comments. This action cannot be undone. Proceed?`)) {
return;
}
for (let i = 0; i < comments.length; i++) {
const comment = comments[i];
const deleteForm = comment.querySelector("form.toggle.del-button");
if (!deleteForm) continue;
const deleteLink = deleteForm.querySelector("a.togglebutton[data-event-action=\"delete\"]");
if (!deleteLink) continue;
deleteLink.click();
await delay(500);
const yesLink = deleteForm.querySelector("a.yes");
if (!yesLink) continue;
yesLink.click();
await delay(1000);
await handleRateLimit(comment);
}
alert("Done attempting to delete all comments!");
});
btnGoToPosts.addEventListener("click", () => {
window.location.href = `https://old.reddit.com/user/${username}/submitted/`;
});
} else if (postsMatch) {
const username = postsMatch[1];
const btnDeletePosts = document.createElement("button");
btnDeletePosts.textContent = "Delete All Posts";
styleButton(btnDeletePosts, 10);
const btnGoToComments = document.createElement("button");
btnGoToComments.textContent = "Go to Comments";
styleButton(btnGoToComments, 60);
document.body.appendChild(btnDeletePosts);
document.body.appendChild(btnGoToComments);
btnDeletePosts.addEventListener("click", async () => {
const posts = document.querySelectorAll("div.thing.link");
if (posts.length === 0) {
alert("No posts found!");
return;
}
if (!confirm(`This will DELETE ${posts.length} posts. This action cannot be undone. Proceed?`)) {
return;
}
for (let i = 0; i < posts.length; i++) {
const post = posts[i];
const deleteForm = post.querySelector("form.toggle.del-button");
if (!deleteForm) continue;
const deleteLink = deleteForm.querySelector("a.togglebutton[data-event-action=\"delete\"]");
if (!deleteLink) continue;
deleteLink.click();
await delay(500);
const yesLink = deleteForm.querySelector("a.yes");
if (!yesLink) continue;
yesLink.click();
await delay(1000);
await handleRateLimit(post);
}
alert("Done attempting to delete all posts!");
});
btnGoToComments.addEventListener("click", () => {
window.location.href = `https://old.reddit.com/user/${username}/comments/`;
});
}
});
} else {
window.addEventListener("load", () => {
const button = document.createElement("button");
button.innerText = "Go to Old Reddit";
button.style.position = "fixed";
button.style.bottom = "20px";
button.style.right = "20px";
button.style.zIndex = "9999";
button.style.width = "160px";
button.style.height = "40px";
button.style.backgroundColor = "#ff4500";
button.style.color = "white";
button.style.border = "none";
button.style.borderRadius = "5px";
button.style.cursor = "pointer";
button.style.display = "flex";
button.style.alignItems = "center";
button.style.justifyContent = "center";
button.style.fontWeight = "600";
button.style.fontSize = "14px";
button.style.userSelect = "none";
document.body.appendChild(button);
button.addEventListener("click", async () => {
try {
const avatarXPath = "/html/body/shreddit-app/reddit-header-large/reddit-header-action-items/header/nav/div[3]/div[2]/rpl-dropdown/rpl-tooltip/activate-feature/button/span/span/div/faceplate-partial/span/span";
const avatar = await waitForXPath(avatarXPath, 5000);
avatar.click();
const usernameXPath = "//span[contains(@class, \"text-12\") and starts-with(text(), \"u/\")]";
const usernameElem = await waitForXPath(usernameXPath, 5000);
const username = usernameElem.innerText.replace(/^u\//, "");
const targetUrl = `https://old.reddit.com/user/${username}/comments/`;
window.location.href = targetUrl;
} catch (err) {
alert("Failed: " + err.message);
console.error(err);
}
});
});
}
})();
