diff --git a/static/koboldai.css b/static/koboldai.css
index 5fda3e58..778699f5 100644
--- a/static/koboldai.css
+++ b/static/koboldai.css
@@ -1853,7 +1853,8 @@ body {
 
 /* Finder */
 
-#finder-container {
+#finder-container,
+#debug-file-container {
 	display: flex;
 	justify-content: center;
 	align-items: center;
@@ -1925,6 +1926,49 @@ body {
 	align-items: center;
 }
 
+/* Debug File */
+#debug-dump {
+	opacity: 0.7;
+	font-size: small;
+	float: right;
+}
+
+#debug-file-prompt {
+	width: 25%;
+	max-height: 500px;
+	height: 30%;
+	background-color: var(--flyout_background_pinned);
+	padding: 10px;
+	border-radius: 4px;
+
+	display: flex;
+	flex-direction: column;
+}
+
+#debug-file-prompt > div {
+	display: flex;
+	text-align: center;
+	flex-direction: column;
+	align-items: center;
+	justify-content: center;
+	padding: 10px;
+	cursor: pointer;
+}
+
+#debug-file-prompt > div > .focus {
+	font-size: 20px;
+}
+
+#debug-file-prompt > #redacted {
+	background-color: #407497;
+	flex-grow: 1;
+}
+
+#debug-file-prompt > #unredacted {
+	margin-top: 8px;
+	background-color: rgb(158, 2, 2);
+}
+
 /*---------------------------------- Global ------------------------------------------------*/
 .hidden {
 	display: none;
diff --git a/static/koboldai.js b/static/koboldai.js
index 8363a622..cedcb75e 100644
--- a/static/koboldai.js
+++ b/static/koboldai.js
@@ -3183,6 +3183,135 @@ function beep() {
     snd.play();
 }
 
+function downloadString(string, fileName) {
+	let a = document.createElement("a");
+	a.setAttribute("download", fileName);
+	a.href = URL.createObjectURL(new Blob([string]));
+	a.click();
+}
+
+function getRedactedValue(value) {
+	if (typeof value === "string") return `[Redacted string with length ${value.length}]`;
+	if (value instanceof Array) return `[Redacted array with length ${value.length}]`;
+
+	if (typeof value === "object") {
+		if (value === null) return null;
+
+		let built = {};
+		for (const key of Object.keys(value)) {
+			built[getRedactedValue(key)] = getRedactedValue(value[key]);
+		}
+
+		return built;
+	}
+
+	return "[Redacted value]"
+}
+
+async function downloadDebugFile(redact=true) {
+	let r = await fetch("/vars");
+	let varsData = await r.json();
+
+	// Redact sensitive user info
+
+	// [redacted string n characters long]
+	// [redacted array with n elements]
+
+	let redactables = [
+		"model_settings.apikey",
+		"model_settings.colaburl",
+		"model_settings.oaiapikey",
+		"system_settings.story_loads",
+		"user_settings.username",
+		"system_settings.savedir", // Can reveal username
+		"story_settings.last_story_load",
+	];
+
+	if (redact) {
+		// TODO: genseqs, splist(?)
+		redactables = redactables.concat([
+			"story_settings.authornote",
+			"story_settings.chatname",
+			"story_settings.lastact",
+			"story_settings.lastctx",
+			"story_settings.memory",
+			"story_settings.notes",
+			"story_settings.prompt",
+			"story_settings.story_name",
+			"story_settings.submission",
+			"story_settings.biases",
+			"story_settings.genseqs",
+
+			// System
+			"system_settings.spfilename",
+			"system_settings.spname",
+		]);
+
+		// Redact more complex things
+
+		// wifolders_d - name
+		for (const key of Object.keys(varsData.story_settings.wifolders_d)) {
+			varsData.story_settings.wifolders_d[key].name = getRedactedValue(varsData.story_settings.wifolders_d[key].name);
+		}
+
+		// worldinfo - comment, content, key, keysecondary
+		for (const key of Object.keys(varsData.story_settings.worldinfo)) {
+			for (const redactKey of ["comment", "content", "key", "keysecondary"]) {
+				varsData.story_settings.worldinfo[key][redactKey] = getRedactedValue(varsData.story_settings.worldinfo[key][redactKey]);
+			}
+		}
+
+		// worldinfo_i - comment, content, key, keysecondary
+		for (const key of Object.keys(varsData.story_settings.worldinfo_i)) {
+			for (const redactKey of ["comment", "content", "key", "keysecondary"]) {
+				varsData.story_settings.worldinfo_i[key][redactKey] = getRedactedValue(varsData.story_settings.worldinfo_i[key][redactKey]);
+			}
+		}
+
+		// worldinfo_u - comment, content, key, keysecondary
+		for (const key of Object.keys(varsData.story_settings.worldinfo_u)) {
+			for (const redactKey of ["comment", "content", "key", "keysecondary"]) {
+				varsData.story_settings.worldinfo_u[key][redactKey] = getRedactedValue(varsData.story_settings.worldinfo_u[key][redactKey]);
+			}
+		}
+
+		// worldinfo_v2 entries - comment, content, folder, key, keysecondary, manual_text, title, wpp
+		for (const key of Object.keys(varsData.story_settings.worldinfo_v2.entries)) {
+			for (const redactKey of ["comment", "content", "folder", "key", "keysecondary", "manual_text", "title", "wpp"]) {
+				varsData.story_settings.worldinfo_v2.entries[key][redactKey] = getRedactedValue(varsData.story_settings.worldinfo_v2.entries[key][redactKey]);
+			}
+		}
+
+		varsData.story_settings.worldinfo_v2.folders = getRedactedValue(varsData.story_settings.worldinfo_v2.folders);
+
+		// actions - "Selected Text", Options, Probabilities
+		for (const key of Object.keys(varsData.story_settings.actions.actions)) {
+			for (const redactKey of ["Selected Text", "Options", "Probabilities"]) {
+				varsData.story_settings.actions.actions[key][redactKey] = getRedactedValue(varsData.story_settings.actions.actions[key][redactKey]);
+			}
+		}
+
+	}
+
+	for (const varPath of redactables) {
+		let ref = varsData;
+		const parts = varPath.split(".");
+
+		for (const part of parts.slice(0, -1)) {
+			ref = ref[part];
+		}
+
+		const lastPart = parts[parts.length - 1];
+
+		ref[lastPart] = getRedactedValue(ref[lastPart]);
+	}
+
+	debug_info.currentVars = varsData;
+	console.log(debug_info);
+
+	downloadString(JSON.stringify(debug_info, null, 4), "kobold_debug.json");
+}
+
 function loadNAILorebook(data, filename) {
 	let lorebookVersion = data.lorebookVersion;
 	let wi_data = {folders: {[filename]: []}, entries: {}};
@@ -3575,6 +3704,17 @@ $(document).ready(function(){
 	finder.addEventListener("click", function(e) {
 		e.stopPropagation();
 	});
+
+	// Debug file
+	// TODO: All of this generic backdrop code really sucks. There should be a
+	// standardised thing for popups that adds the dimmed backdrop and standard
+	// closing, etc.
+
+	const debugContainer = document.getElementById("debug-file-container");
+
+	debugContainer.addEventListener("click", function(e) {
+		debugContainer.classList.add("hidden");
+	});
 });
 
 document.addEventListener("keydown", function(event) {
diff --git a/templates/index_new.html b/templates/index_new.html
index e8f27c4d..8498777e 100644
--- a/templates/index_new.html
+++ b/templates/index_new.html
@@ -1,6 +1,14 @@
 <!DOCTYPE html>
 <html>
 <head>
+	<script>
+		// Error handler before all
+		var debug_info = {errors: []};
+
+		window.addEventListener('error', function(event) {
+			debug_info.push({msg: message, url: url, line: line});
+		});
+	</script>
 	<script type="module">import {encode, decode} from "./static/tokenizer.js";window.encode = encode;window.decode = decode;</script>
 	<link href="static/open-iconic/css/open-iconic.css" rel="stylesheet">
 	<link rel="stylesheet" href="static/bootstrap-toggle.min.css">
diff --git a/templates/popups.html b/templates/popups.html
index 7b98378a..df7835ce 100644
--- a/templates/popups.html
+++ b/templates/popups.html
@@ -142,4 +142,21 @@
 	<div id="finder">
 		<input id="finder-input" placeholder="Search for something..."></input>
 	</div>
+</div>
+
+<!---------------- Debug File ---------------------->
+<div id="debug-file-container" class="hidden">
+	<div id="debug-file-prompt">
+		<div id="redacted" onclick="downloadDebugFile(true);">
+			<span class="focus">Download debug file</span>
+			<span class="help_text">Sensitive information, including any story data, is redacted.</span>
+		</div>
+		<div id="unredacted" onclick="downloadDebugFile(false);">
+			<span class="focus">Download unredacted debug file</span>
+			<span class="help_text">
+				Extremely sensitive information, such as API keys or information about other stories, is still redacted.
+				<br><b>This file will contain your story.</b>
+			</span>
+		</div>
+	</div>
 </div>
\ No newline at end of file
diff --git a/templates/settings flyout.html b/templates/settings flyout.html
index d58b0a9a..f76ca472 100644
--- a/templates/settings flyout.html	
+++ b/templates/settings flyout.html	
@@ -104,6 +104,7 @@
 		<div id="probabilities">
 			
 		</div>
+		<span id="debug-dump" class="cursor" onclick="document.getElementById('debug-file-container').classList.remove('hidden');">Download debug dump</span>
 	</div>
 	<div id="setting_menu_settings" class="hidden settings_category_area tab-target tab-target-settings">
 		<div class="force_center">