Culls messages from ChatGPT conversations via an overlay. Helpful for those who have low-end hardwares
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// ==UserScript==
// @name ChatGPT.com Advanced Message Culler
// @namespace https://chatgpt.com/
// @version 1.5.0
// @description Culls messages from ChatGPT conversations via an overlay. Helpful for those who have low-end hardwares
// @author sytesn, ChatGPT
// @match https://chatgpt.com/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
const PIN_STORAGE_KEY = 'chatgpt_message_pins';
const SETTINGS_KEYS = [
'culler-limit',
'culler-enabled',
'culler-mode',
'culler-fade',
'panel-left',
'panel-top'
];
const getPinnedIds = () => JSON.parse(localStorage.getItem(PIN_STORAGE_KEY) || '[]');
const setPinnedIds = (ids) => localStorage.setItem(PIN_STORAGE_KEY, JSON.stringify(ids));
let MESSAGE_LIMIT = parseInt(localStorage.getItem('culler-limit')) || 50;
let cullingEnabled = localStorage.getItem('culler-enabled') === 'true';
let mode = localStorage.getItem('culler-mode') || "hide";
let fadeEnabled = localStorage.getItem('culler-fade') !== 'false';
let multiSelect = false;
const style = document.createElement('style');
style.textContent = `
#culler-panel {
position: fixed;
top: ${localStorage.getItem('panel-top') || '10px'};
left: ${localStorage.getItem('panel-left') || '10px'};
z-index: 9999;
background-color: #111;
padding: 10px;
border-radius: 8px;
font-family: Arial, sans-serif;
font-size: 13px;
color: #fff;
transition: opacity 0.3s ease;
max-width: 300px;
resize: both;
overflow: auto;
}
.fade {
transition: opacity 0.4s ease;
opacity: 0;
}
.fade-in {
opacity: 1 !important;
}
#culler-panel input, #culler-panel select {
background-color: #222;
color: #fff;
border: 1px solid #444;
border-radius: 4px;
padding: 2px 4px;
}
#culler-panel button {
margin-top:6px;
padding:4px 8px;
border: none;
border-radius: 4px;
background-color: #444;
color: #fff;
cursor: pointer;
}
.top-right-btn {
position: absolute;
top: 4px;
right: 6px;
background: transparent;
font-size: 14px;
padding: 0;
}
.pin-btn {
position: absolute;
top: 4px;
right: 4px;
background: #444;
border: none;
color: #fff;
border-radius: 4px;
padding: 2px 6px;
font-size: 12px;
cursor: pointer;
}
#pin-panel {
position: fixed;
top: 60px;
right: 10px;
width: 300px;
max-height: 70vh;
overflow-y: auto;
background: #1e1e1e;
color: white;
border-radius: 8px;
padding: 10px;
z-index: 9999;
box-shadow: 0 0 10px #000;
display: none;
}
.pin-message {
background: #2e2e2e;
border-radius: 6px;
padding: 8px;
margin-bottom: 6px;
font-size: 13px;
position: relative;
}
.pin-message button {
position: absolute;
top: 4px;
right: 4px;
background: #900;
border: none;
color: white;
border-radius: 4px;
padding: 2px 6px;
font-size: 12px;
cursor: pointer;
}
`;
document.head.appendChild(style);
const panel = document.createElement('div');
panel.id = 'culler-panel';
panel.innerHTML = `
<button class="top-right-btn" id="overlay-minimize">✕</button>
<div style="margin-bottom:6px;font-weight:bold;">Message Culler</div>
<label><input type="checkbox" id="culler-enable"> Enable</label><br>
<label>Keep last <input type="number" id="culler-limit" value="${MESSAGE_LIMIT}" style="width: 50px;"></label><br>
<label>Mode:
<select id="culler-mode">
<option value="hide">Hide</option>
<option value="remove">Remove</option>
</select>
</label><br>
<label>Fade: <input type="checkbox" id="culler-fade" ${fadeEnabled ? 'checked' : ''}></label><br>
<button id="culler-refresh">Refresh Now</button>
<button id="pin-toggle">📌 View Pins</button><br>
<button id="multi-select-toggle">Multi-Select: Off</button>
<button id="export-btn">Export</button>
<button id="import-btn">Import</button>
`;
document.body.appendChild(panel);
// Draggable support
(function makeDraggable(el) {
let isDragging = false, offsetX = 0, offsetY = 0;
el.addEventListener('mousedown', (e) => {
if (["INPUT", "SELECT", "BUTTON"].includes(e.target.tagName)) return;
isDragging = true;
offsetX = e.clientX - el.offsetLeft;
offsetY = e.clientY - el.offsetTop;
});
document.addEventListener('mousemove', (e) => {
if (isDragging) {
el.style.left = (e.clientX - offsetX) + 'px';
el.style.top = (e.clientY - offsetY) + 'px';
localStorage.setItem('panel-left', el.style.left);
localStorage.setItem('panel-top', el.style.top);
}
});
document.addEventListener('mouseup', () => isDragging = false);
})(panel);
const enableCheckbox = panel.querySelector('#culler-enable');
const limitInput = panel.querySelector('#culler-limit');
const modeSelect = panel.querySelector('#culler-mode');
const fadeCheckbox = panel.querySelector('#culler-fade');
const refreshBtn = panel.querySelector('#culler-refresh');
const multiToggle = panel.querySelector('#multi-select-toggle');
enableCheckbox.checked = cullingEnabled;
modeSelect.value = mode;
enableCheckbox.addEventListener('change', () => {
cullingEnabled = enableCheckbox.checked;
localStorage.setItem('culler-enabled', cullingEnabled);
applyCulling();
});
limitInput.addEventListener('change', () => {
const oldLimit = MESSAGE_LIMIT;
MESSAGE_LIMIT = parseInt(limitInput.value, 10) || 50;
localStorage.setItem('culler-limit', MESSAGE_LIMIT);
applyCulling(oldLimit);
});
modeSelect.addEventListener('change', () => {
mode = modeSelect.value;
localStorage.setItem('culler-mode', mode);
applyCulling();
});
fadeCheckbox.addEventListener('change', () => {
fadeEnabled = fadeCheckbox.checked;
localStorage.setItem('culler-fade', fadeEnabled);
});
refreshBtn.addEventListener('click', () => applyCulling());
multiToggle.addEventListener('click', () => {
multiSelect = !multiSelect;
multiToggle.textContent = `Multi-Select: ${multiSelect ? 'On' : 'Off'}`;
});
document.getElementById('overlay-minimize').addEventListener('click', () => {
panel.style.display = 'none';
showRestoreBtn();
});
function showRestoreBtn() {
const btn = document.createElement('button');
btn.textContent = 'Show Overlay';
btn.style = 'position:fixed;top:10px;left:10px;z-index:9999;background:#333;color:#fff;padding:6px;border:none;border-radius:4px;';
btn.onclick = () => {
panel.style.display = 'block';
btn.remove();
};
document.body.appendChild(btn);
}
document.getElementById('export-btn').addEventListener('click', () => {
const data = {};
SETTINGS_KEYS.forEach(k => data[k] = localStorage.getItem(k));
data.pins = getPinnedIds();
const blob = new Blob([JSON.stringify(data)], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.download = 'chatgpt_culler_backup.json';
a.href = url;
a.click();
URL.revokeObjectURL(url);
});
document.getElementById('import-btn').addEventListener('click', () => {
const input = document.createElement('input');
input.type = 'file';
input.accept = '.json';
input.onchange = e => {
const file = e.target.files[0];
if (!file) return;
const reader = new FileReader();
reader.onload = e => {
try {
const data = JSON.parse(e.target.result);
SETTINGS_KEYS.forEach(k => {
if (data[k] !== undefined) localStorage.setItem(k, data[k]);
});
if (Array.isArray(data.pins)) setPinnedIds(data.pins);
location.reload();
} catch (e) {
alert('Invalid file!');
}
};
reader.readAsText(file);
};
input.click();
});
// Command palette
document.addEventListener('keydown', (e) => {
if (e.ctrlKey && e.shiftKey && e.key === 'K') {
const cmd = prompt('Culler Command: hide/show/refresh');
if (cmd === 'hide') panel.style.display = 'none';
if (cmd === 'show') panel.style.display = 'block';
if (cmd === 'refresh') applyCulling();
}
});
const pinPanel = document.createElement('div');
pinPanel.id = 'pin-panel';
pinPanel.innerHTML = `<h2>Pinned Messages</h2><div id="pin-container"></div>`;
document.body.appendChild(pinPanel);
document.getElementById('pin-toggle').addEventListener('click', () => {
pinPanel.style.display = pinPanel.style.display === 'none' ? 'block' : 'none';
updatePinnedPanel();
});
function getMessageElements() {
return Array.from(document.querySelectorAll('article[data-testid^="conversation-turn-"]'));
}
function applyCulling(previousLimit = MESSAGE_LIMIT) {
const messages = getMessageElements();
const pinned = new Set(getPinnedIds());
const visible = messages.filter(msg => !pinned.has(msg.dataset.testid));
const limitCutoff = visible.length - MESSAGE_LIMIT;
messages.forEach((msg, i) => {
const id = msg.dataset.testid;
const isPinned = pinned.has(id);
const visibleIndex = visible.indexOf(msg);
ensurePinButton(msg);
if (!cullingEnabled || isPinned || visibleIndex >= limitCutoff) {
if (fadeEnabled && previousLimit < MESSAGE_LIMIT && visibleIndex >= limitCutoff && visibleIndex < visible.length - previousLimit) {
msg.classList.add('fade');
msg.style.display = '';
setTimeout(() => msg.classList.add('fade-in'), 10);
setTimeout(() => msg.classList.remove('fade', 'fade-in'), 410);
} else {
msg.style.display = '';
}
msg.classList.remove('culled');
} else {
if (mode === "remove") {
if (!msg.dataset.removed) {
msg.dataset.removed = "true";
msg.remove();
}
} else {
if (fadeEnabled) {
msg.classList.add('fade');
msg.classList.remove('fade-in');
setTimeout(() => msg.style.display = 'none', 400);
} else {
msg.style.display = "none";
}
msg.classList.add("culled");
}
}
});
}
function ensurePinButton(msg) {
if (msg.querySelector('.pin-btn')) return;
const btn = document.createElement('button');
btn.className = 'pin-btn';
const id = msg.dataset.testid;
const pinned = new Set(getPinnedIds());
btn.textContent = pinned.has(id) ? 'Unpin' : 'Pin';
btn.addEventListener('click', (e) => {
e.stopPropagation();
const ids = new Set(getPinnedIds());
if (multiSelect) {
const allVisible = getMessageElements().filter(el => el.style.display !== 'none');
allVisible.forEach(el => {
const elId = el.dataset.testid;
if (!ids.has(elId)) ids.add(elId);
});
} else {
if (ids.has(id)) ids.delete(id); else ids.add(id);
}
setPinnedIds([...ids]);
applyCulling();
});
msg.style.position = 'relative';
msg.appendChild(btn);
}
function updatePinnedPanel() {
const pinned = new Set(getPinnedIds());
const container = document.getElementById('pin-container');
container.innerHTML = '';
getMessageElements().forEach(msg => {
if (pinned.has(msg.dataset.testid)) {
const clone = msg.cloneNode(true);
clone.querySelector('.pin-btn')?.remove();
const id = msg.dataset.testid;
const unpinBtn = document.createElement('button');
unpinBtn.textContent = 'Unpin';
unpinBtn.onclick = () => {
const ids = new Set(getPinnedIds());
ids.delete(id);
setPinnedIds([...ids]);
updatePinnedPanel();
applyCulling();
};
clone.appendChild(unpinBtn);
clone.className = 'pin-message';
container.appendChild(clone);
}
});
}
new MutationObserver(() => {
if (cullingEnabled) applyCulling();
}).observe(document.body, { childList: true, subtree: true });
setTimeout(() => applyCulling(), 1000);
})();