Bypass filters by reversing text structure. Modes: (Full) character reversal, (Smart) character-pair swap, or (Word Swap) logical word reordering. Visually, the text looks normal.
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// ==UserScript==
// @name Universal Text Reversal bypass
// @namespace github.com/annaroblox
// @version 2.0
// @license MIT
// @description Bypass filters by reversing text structure. Modes: (Full) character reversal, (Smart) character-pair swap, or (Word Swap) logical word reordering. Visually, the text looks normal.
// @author AnnaRoblox
// @match *://*/*
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_setClipboard
// ==/UserScript==
(function () {
'use strict';
/* ---------- CONFIG ---------- */
const STORAGE_KEY = 'utr_mode';
const RLO = "\u202E"; // RIGHT-TO-LEFT OVERRIDE
const PDF = "\u202C"; // POP DIRECTIONAL FORMATTING
const RLI = "\u2067"; // RIGHT-TO-LEFT ISOLATE
const LRI = "\u2066"; // LEFT-TO-RIGHT ISOLATE
const PDI = "\u2069"; // POP DIRECTIONAL ISOLATE
let isDebugMode = false;
let mode = localStorage.getItem(STORAGE_KEY) || 'smart';
let menuCommandIds = []; // Array to store menu command IDs for unregistering
/* ---------- CORE TEXT TRANSFORM ---------- */
const reverseLines = text =>
text.split('\n')
.map(l => RLO + [...l].reverse().join('') + PDF)
.join('\n');
/**
* wordIsolateSwap function
* How it works:
* This method reorders the words in the data but preserves the visual appearance.
* e.g., "Hello world" becomes a string that looks normal but is stored differently.
* 1. The entire line is wrapped in RLI...PDI, setting a Right-to-Left context.
* This means elements inside will be laid out from right to left.
* 2. The order of words in the line is reversed ("Hello world" -> "world Hello").
* 3. Each individual word is then wrapped in LRI...PDI. This forces that specific
* word to render normally (Left-to-Right), punching a hole in the RTL context.
* 4. The browser renders the RTL container, placing "Hello" on the right, then the space,
* then "world" on the left, resulting in a visual output of "Hello world".
*/
const wordIsolateSwap = text =>
text
.split('\n')
.map(line => {
// Match words (\S+) or sequences of whitespace (\s+) to preserve them
const tokens = line.match(/\S+|\s+/g) || [];
const reversedTokens = tokens.reverse();
const processedTokens = reversedTokens.map(token => {
// Don't wrap whitespace, just return it
if (/^\s+$/.test(token)) {
return token;
}
// Wrap the word in LRI to force it to render LTR
return LRI + token + PDI;
});
// Join the LRI-wrapped words and wrap the whole line in RLI
return RLI + processedTokens.join('') + PDI;
})
.join('\n');
/**
* smartReverse function
* How it works: Swaps pairs of characters within each word.
*/
const smartReverse = text =>
text
.split('\n')
.map(line => {
const tokens = line.match(/(\s+|\S+)/g) || [];
const transformedTokens = tokens.map(tk => {
if (/^\s+$/.test(tk)) return tk;
const chars = [...tk];
let processedWord = '';
for (let i = 0; i < chars.length; i += 2) {
if (i + 1 < chars.length) {
const swappedPair = chars[i + 1] + chars[i];
processedWord += RLI + RLO + swappedPair + PDI; // RLO is needed here for visual reversal
} else {
processedWord += chars[i];
}
}
return processedWord;
});
return transformedTokens.join('');
})
.join('\n');
// Dispatcher function to select the correct transformation
const transform = txt => {
switch (mode) {
case 'full':
return reverseLines(txt);
case 'wordswap':
return wordIsolateSwap(txt);
case 'smart':
default:
return smartReverse(txt);
}
};
/* ---------- UI / MENU ---------- */
function buildMenu() {
menuCommandIds.forEach(id => GM_unregisterMenuCommand(id));
menuCommandIds = [];
menuCommandIds.push(
GM_registerMenuCommand('Process selected text', processSelection)
);
menuCommandIds.push(
GM_registerMenuCommand(
`Mode: ${mode.toUpperCase()} (click to toggle)`,
() => {
const modes = ['full', 'smart', 'wordswap'];
const currentIndex = modes.indexOf(mode);
mode = modes[(currentIndex + 1) % modes.length]; // Cycle through the modes
localStorage.setItem(STORAGE_KEY, mode);
buildMenu();
},
'm'
)
);
menuCommandIds.push(
GM_registerMenuCommand(
`DEBUG: ${isDebugMode ? 'ON' : 'OFF'} (click to toggle)`,
() => { isDebugMode = !isDebugMode; buildMenu(); },
'd'
)
);
}
/* ---------- CLIPBOARD & INPUT HANDLING (NO CHANGES BELOW) ---------- */
function copyToClipboard(textToCopy) {
if (typeof GM_setClipboard !== 'undefined') {
GM_setClipboard(textToCopy);
} else if (navigator.clipboard) {
navigator.clipboard.writeText(textToCopy).catch(console.error);
} else {
const ta = document.createElement('textarea');
ta.value = textToCopy;
ta.style.position = 'fixed'; ta.style.left = '-9999px';
document.body.appendChild(ta);
ta.select();
try { document.execCommand('copy'); } catch (e) {}
document.body.removeChild(ta);
}
}
function isEditableElement(el) {
if (!el || !el.nodeType || el.nodeType !== 1) return false;
const tag = el.tagName?.toLowerCase();
if (tag === 'input' || tag === 'textarea') return true;
if (el.contentEditable === 'true' || el.isContentEditable || el.designMode === 'on') return true;
const role = el.getAttribute('role');
if (role === 'textbox' || role === 'searchbox') return true;
return false;
}
function findEditableInShadowDOM(root) {
if (!root) return null;
if (root.activeElement && isEditableElement(root.activeElement)) return root.activeElement;
if (root.activeElement?.shadowRoot) {
const found = findEditableInShadowDOM(root.activeElement.shadowRoot);
if (found) return found;
}
const selectors = ['input:not([type="hidden"])', 'textarea', '[contenteditable="true"]', '[role="textbox"]', '[role="searchbox"]'];
for (const selector of selectors) {
const el = root.querySelector(selector);
if (el && isEditableElement(el)) return el;
}
return null;
}
function locateRealInput(node) {
let cur = node;
while (cur) {
if (cur.nodeType === 1 && isEditableElement(cur)) {
const tag = cur.tagName?.toLowerCase();
return { element: cur, type: (tag === 'input' || tag === 'textarea') ? tag : 'contenteditable' };
}
if (cur.shadowRoot) {
const shadowEditable = findEditableInShadowDOM(cur.shadowRoot);
if (shadowEditable) {
const tag = shadowEditable.tagName?.toLowerCase();
return { element: shadowEditable, type: (tag === 'input' || tag === 'textarea') ? tag : 'contenteditable' };
}
}
cur = cur.parentNode || cur.host;
if (!cur && node.getRootNode) {
const root = node.getRootNode();
if (root?.host) cur = root.host;
}
}
let active = document.activeElement;
while (active) {
if (isEditableElement(active)) {
const tag = active.tagName?.toLowerCase();
return { element: active, type: (tag === 'input' || tag === 'textarea') ? tag : 'contenteditable' };
}
if (active.shadowRoot?.activeElement) active = active.shadowRoot.activeElement;
else if (active.shadowRoot) {
const shadowEditable = findEditableInShadowDOM(active.shadowRoot);
if (shadowEditable) {
const tag = shadowEditable.tagName?.toLowerCase();
return { element: shadowEditable, type: (tag === 'input' || tag === 'textarea') ? tag : 'contenteditable' };
}
break;
} else break;
}
try {
for (const frame of document.querySelectorAll('iframe')) {
try {
const frameDoc = frame.contentDocument || frame.contentWindow?.document;
if (frameDoc?.activeElement && isEditableElement(frameDoc.activeElement)) {
const tag = frameDoc.activeElement.tagName?.toLowerCase();
return { element: frameDoc.activeElement, type: (tag === 'input' || tag === 'textarea') ? tag : 'contenteditable' };
}
} catch (e) { /* Cross-origin */ }
}
} catch (e) {}
return null;
}
function replaceTextInInput(el, type, reversed, start, end) {
if (type === 'input' || type === 'textarea') {
const original = el.value;
const replacement = original.slice(0, start) + reversed + original.slice(end);
const scrollTop = el.scrollTop;
el.value = replacement;
el.setSelectionRange(start, start + reversed.length);
el.scrollTop = scrollTop;
el.dispatchEvent(new Event('input', { bubbles: true, composed: true }));
el.dispatchEvent(new Event('change', { bubbles: true }));
} else {
const sel = window.getSelection();
if (document.queryCommandSupported('insertText')) {
try {
if (sel.rangeCount > 0) {
const range = sel.getRangeAt(0);
if (start !== end) range.deleteContents();
}
document.execCommand('insertText', false, reversed);
el.dispatchEvent(new Event('input', { bubbles: true, composed: true }));
return;
} catch (e) {}
}
if (sel.rangeCount > 0) {
const range = sel.getRangeAt(0);
range.deleteContents();
const textNode = document.createTextNode(reversed);
range.insertNode(textNode);
range.setStartAfter(textNode);
range.setEndAfter(textNode);
sel.removeAllRanges();
sel.addRange(range);
el.dispatchEvent(new Event('input', { bubbles: true, composed: true }));
}
}
}
function processSelection() {
const sel = window.getSelection();
const inputInfo = locateRealInput(sel.focusNode || document.activeElement);
if (!inputInfo) {
const selected = sel.toString();
if (selected) {
const reversed = transform(selected);
if (isDebugMode) copyToClipboard(reversed);
try { document.execCommand('insertText', false, reversed); }
catch (e) { copyToClipboard(reversed); }
}
return;
}
const { element: el, type } = inputInfo;
let original, start, end;
if (type === 'input' || type === 'textarea') {
original = el.value;
start = el.selectionStart ?? 0;
end = el.selectionEnd ?? 0;
} else {
original = el.textContent || '';
const range = sel.rangeCount ? sel.getRangeAt(0) : null;
if (!range) { start = end = 0; }
else {
const pre = range.cloneRange();
pre.selectNodeContents(el);
pre.setEnd(range.startContainer, range.startOffset);
start = pre.toString().length;
end = start + range.toString().length;
}
}
const chunk = (start === end) ? original : original.slice(start, end);
if (!chunk) return;
const reversed = transform(chunk);
if (isDebugMode) copyToClipboard(reversed);
replaceTextInInput(el, type, reversed, start, end);
}
document.addEventListener('keydown', e => {
if (e.altKey && e.key.toLowerCase() === 'r') {
e.preventDefault();
processSelection();
}
}, true);
buildMenu();
})();