diff --git a/static/add_an_instance.mts b/static/add_an_instance.mts
index e305637..5503dc1 100644
--- a/static/add_an_instance.mts
+++ b/static/add_an_instance.mts
@@ -10,7 +10,14 @@ export function parseHost(host: string): { host: string, secure: boolean } | nul
     };
 }
 
-export function initializeAddInstanceDialog(dialog: HTMLDialogElement): {
+export function initializeAddInstanceDialog(
+    dialog: HTMLDialogElement,
+    callback: (
+        host: string,
+        secure: boolean,
+        autoQueryMetadata: boolean,
+    ) => void
+): {
     showAddInstanceDialog: () => void,
     hideAddInstanceDialog: () => void,
 } {
@@ -32,12 +39,14 @@ export function initializeAddInstanceDialog(dialog: HTMLDialogElement): {
             instanceHost.setCustomValidity("");
     });
 
-    form.addEventListener("submit", async e => {
+    const autoQueryMetadata = form.querySelector("#autoQueryMetadata");
+    if (!(autoQueryMetadata instanceof HTMLInputElement))
+        throw new Error("#autoQueryMetadata isn't an input");
+
+    form.addEventListener("submit", e => {
         // A sane browser doesn't allow for submitting the form if the above validation fails
         const { host, secure } = parseHost(instanceHost.value)!;
-        console.log(
-            await fetch(`/api/instance_info/${secure}/${encodeURI(host)}`).then(r => r.json())
-        );
+        callback(host, secure, autoQueryMetadata.checked);
         form.reset();
     });
 
diff --git a/static/confirm_instance_details.mts b/static/confirm_instance_details.mts
new file mode 100644
index 0000000..0a19609
--- /dev/null
+++ b/static/confirm_instance_details.mts
@@ -0,0 +1,70 @@
+// This file handles the "Confirm instance details" dialog
+
+import knownSoftware from "./known_software.mjs";
+
+const blankImage = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
+
+export function initializeInstanceDetailsDialog(dialog: HTMLDialogElement): {
+    showInstanceDetailsDialog: () => void,
+    hideInstanceDetailsDialog: () => void,
+    populateInstanceDetailsDialog: (
+        instanceNameValue: string,
+        instanceSoftwareValue: string,
+        instanceIconValue: string | null
+    ) => void,
+} {
+    const showInstanceDetailsDialog = () => dialog.showModal();
+    const hideInstanceDetailsDialog = () => dialog.close();
+
+    const form = dialog.querySelector(".instanceDetailsForm");
+    if (!(form instanceof HTMLFormElement))
+        throw new Error(".instanceDetailsForm isn't a form");
+
+    const instanceName = form.querySelector("#instanceName");
+    if (!(instanceName instanceof HTMLInputElement))
+        throw new Error("#instanceName isn't an input");
+
+    const instanceSoftware = form.querySelector("#instanceSoftware");
+    if (!(instanceSoftware instanceof HTMLSelectElement))
+        throw new Error("#instanceSoftware isn't a select");
+
+    for (const [name, software] of Object.entries(knownSoftware.software)) {
+        const option = new Option(software.name, name);
+        instanceSoftware.appendChild(option);
+    }
+
+    const instanceIcon = form.querySelector("#instanceIcon");
+    if (!(instanceIcon instanceof HTMLImageElement))
+        throw new Error("#instanceIcon isn't an image");
+
+    instanceIcon.src = blankImage;
+
+    const populateInstanceDetailsDialog = (
+        instanceNameValue: string,
+        instanceSoftwareValue: string,
+        instanceIconValue: string | null
+    ) => {
+        instanceName.value = instanceNameValue;
+        instanceSoftware.value = instanceSoftwareValue;
+        instanceIcon.src = instanceIconValue ?? blankImage;
+    };
+
+    form.addEventListener("submit", e => {
+        form.reset();
+    });
+
+    const closeButton = form.querySelector(".close");
+    if (!(closeButton instanceof HTMLButtonElement))
+        throw new Error(".close isn't a button");
+
+    closeButton.addEventListener("click", e => {
+        instanceIcon.src = blankImage;
+        hideInstanceDetailsDialog();
+    });
+
+    return {
+        showInstanceDetailsDialog,
+        hideInstanceDetailsDialog,
+        populateInstanceDetailsDialog
+    };
+}
diff --git a/static/crossroad.css b/static/crossroad.css
index a390c14..92bcd3c 100644
--- a/static/crossroad.css
+++ b/static/crossroad.css
@@ -1,6 +1,7 @@
 :root {
     --red: #cb0b0b;
     --blue: #2081c3;
+    --transparent-black: #0008;
     --large: 2em;
     --medium: 1em;
 }
@@ -25,7 +26,7 @@ dialog {
 
 dialog::backdrop {
     backdrop-filter: blur(5px);
-    background-color: #0008;
+    background-color: var(--transparent-black);
     transition: background-color 0.125s ease-out;
 
     @starting-style {
@@ -65,6 +66,16 @@ abbr[title] {
     flex-direction: row;
 }
 
+.flex-row-reverse {
+    display: flex;
+    flex-direction: row-reverse;
+}
+
+.flex-column-reverse {
+    display: flex;
+    flex-direction: column-reverse;
+}
+
 .half-width {
     min-width: 50%;
 }
@@ -73,8 +84,12 @@ abbr[title] {
     min-height: 50%;
 }
 
+.full-height {
+    min-height: 100%;
+}
+
 .separator-bottom {
-    border-bottom: solid 1px #0008;
+    border-bottom: solid 1px var(--transparent-black);
 }
 
 .margin-auto-top {
@@ -83,4 +98,25 @@ abbr[title] {
 
 .margin-large-bottom {
     margin-bottom: var(--large);
+}
+
+.square {
+    aspect-ratio: 1;
+}
+
+.iconContainer {
+    width: 64px;
+    height: 64px;
+    padding: 1px;
+    border: solid 1px var(--transparent-black);
+}
+
+.icon {
+    position: relative;
+    max-width: 64px;
+    max-height: 64px;
+    margin: auto;
+    top: 50%;
+    left: 50%;
+    translate: -50% -50%;
 }
\ No newline at end of file
diff --git a/static/crossroad.html b/static/crossroad.html
index 405032e..7dd8312 100644
--- a/static/crossroad.html
+++ b/static/crossroad.html
@@ -58,6 +58,38 @@ We do not track or save any requests or data.">
             <button type="reset" class="close">Cancel</button>
         </form>
     </dialog>
+    <dialog id="instanceDetails">
+        <h1>Confirm instance details</h1>
+        <form method="dialog" class="instanceDetailsForm">
+            <div class="flex-row">
+                <div class="half-width">
+                    <label for="instanceName">Instance name</label>
+                    <br>
+                    <input id="instanceName" type="text" name="instanceName" />
+                    <br><br>
+                    <label for="instanceSoftware">Instance software</label>
+                    <br>
+                    <select id="instanceSoftware" type="text" name="instanceSoftware" required>
+                        <option value="">(Please select)</option>
+                    </select>
+                </div>
+                <div class="half-width flex-row-reverse">
+                    <div class="full-height flex-column-reverse">
+                        <div>
+                            <label for="iconContainer">Instance icon</label>
+                            <div id="iconContainer" class="square iconContainer">
+                                <!-- This data URI is for a transparent gif image -->
+                                <img id="instanceIcon" alt="Icon for the selected instance" class="icon" />
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+            <br>
+            <button type="submit">OK</button>
+            <button type="reset" class="close">Cancel</button>
+        </form>
+    </dialog>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/static/crossroad.mts b/static/crossroad.mts
index 00332d4..0585374 100644
--- a/static/crossroad.mts
+++ b/static/crossroad.mts
@@ -1,4 +1,5 @@
 import { initializeAddInstanceDialog } from "./add_an_instance.mjs";
+import { initializeInstanceDetailsDialog } from "./confirm_instance_details.mjs";
 import knownSoftware from "./known_software.mjs";
 import storageManager from "./storage_manager.mjs";
 console.log(knownSoftware);
@@ -9,7 +10,41 @@ export function getMainDialog(): HTMLDialogElement {
     return document.getElementById('mainDialog') as HTMLDialogElement;
 }
 
-const dialog = document.querySelector("#addInstance");
-if (!(dialog instanceof HTMLDialogElement))
+const detailsDialog = document.querySelector("#instanceDetails");
+if (!(detailsDialog instanceof HTMLDialogElement))
+    throw new Error("Couldn't find instanceDetails dialog");
+export const {
+    showInstanceDetailsDialog,
+    hideInstanceDetailsDialog,
+    populateInstanceDetailsDialog
+} = initializeInstanceDetailsDialog(detailsDialog);
+
+const addInstanceDialogCallback = async (
+    host: string,
+    secure: boolean,
+    autoQueryMetadata: boolean,
+) => {
+    if (!autoQueryMetadata) {
+        showInstanceDetailsDialog();
+        return;
+    }
+    const { name, software, iconURL } =
+        await fetch(`/api/instance_info/${secure}/${encodeURI(host)}`)
+            .then(r => r.json());
+    if (
+        typeof name !== "string"
+        || typeof software !== "string"
+        || !(typeof iconURL === "string" || iconURL === null)
+    )
+        throw new Error("Invalid API response");
+    populateInstanceDetailsDialog(name, software, iconURL as string | null);
+    showInstanceDetailsDialog();
+}
+
+const addDialog = document.querySelector("#addInstance");
+if (!(addDialog instanceof HTMLDialogElement))
     throw new Error("Couldn't find addInstance dialog");
-export const { showAddInstanceDialog, hideAddInstanceDialog } = initializeAddInstanceDialog(dialog);
+export const {
+    showAddInstanceDialog,
+    hideAddInstanceDialog
+} = initializeAddInstanceDialog(addDialog, addInstanceDialogCallback);