diff --git a/src/app/App.js b/src/app/App.js
index c96f932..f8a7979 100644
--- a/src/app/App.js
+++ b/src/app/App.js
@@ -30,6 +30,7 @@ const tryLoadable = (load, options) =>
     options
   );
 
+const ConversionPage = tryLoadable(() => import("./ConversionPage"));
 const HomePage = tryLoadable(() => import("./HomePage"));
 const ItemSearchPage = tryLoadable(() => import("./ItemSearchPage"));
 const ItemPage = tryLoadable(() => import("./ItemPage"));
@@ -162,6 +163,11 @@ function App() {
                   <PrivacyPolicyPage />
                 </PageLayout>
               </Route>
+              <Route path="/conversion">
+                <PageLayout>
+                  <ConversionPage />
+                </PageLayout>
+              </Route>
               <Route path="/">
                 <PageLayout hideHomeLink>
                   <HomePage />
diff --git a/src/app/ConversionPage.js b/src/app/ConversionPage.js
new file mode 100644
index 0000000..b16c461
--- /dev/null
+++ b/src/app/ConversionPage.js
@@ -0,0 +1,107 @@
+import React from "react";
+import {
+  Box,
+  CircularProgress,
+  CircularProgressLabel,
+  Flex,
+  Stack,
+} from "@chakra-ui/react";
+import gql from "graphql-tag";
+import { useQuery } from "@apollo/client";
+
+import { ErrorMessage, Heading1 } from "./util";
+
+function ConversionPage() {
+  const { loading, error, data } = useQuery(
+    gql`
+      query ConversionPage_NoAuthRequired {
+        numAppearanceLayersConverted
+        numAppearanceLayersTotal
+
+        numPetLayersConverted: numAppearanceLayersConverted(type: PET_LAYER)
+        numPetLayersTotal: numAppearanceLayersTotal(type: PET_LAYER)
+
+        numItemLayersConverted: numAppearanceLayersConverted(type: ITEM_LAYER)
+        numItemLayersTotal: numAppearanceLayersTotal(type: ITEM_LAYER)
+      }
+    `,
+    { onError: (e) => console.error(e) }
+  );
+
+  return (
+    <Box>
+      <Heading1>HTML5 Conversion Hub</Heading1>
+      <Box height="6" />
+      <Stack direction="row" spacing="12" align="center">
+        <ConversionProgress
+          label="All layers"
+          color="green.500"
+          size="150px"
+          numConverted={data?.numAppearanceLayersConverted}
+          numTotal={data?.numAppearanceLayersTotal}
+          isLoading={loading}
+        />
+        <ConversionProgress
+          label="Pet layers"
+          color="blue.500"
+          size="125px"
+          numConverted={data?.numPetLayersConverted}
+          numTotal={data?.numPetLayersTotal}
+          isLoading={loading}
+        />
+        <ConversionProgress
+          label="Item layers"
+          color="blue.500"
+          size="125px"
+          numConverted={data?.numItemLayersConverted}
+          numTotal={data?.numItemLayersTotal}
+          isLoading={loading}
+        />
+      </Stack>
+      {error && (
+        <ErrorMessage marginTop="2">
+          Oops, we couldn't load the latest data: {error.message}
+        </ErrorMessage>
+      )}
+    </Box>
+  );
+}
+
+function ConversionProgress({
+  label,
+  color,
+  size,
+  numConverted,
+  numTotal,
+  isLoading,
+}) {
+  const convertedPercent = (numConverted / numTotal) * 100;
+
+  return (
+    <Flex direction="column" align="center">
+      <CircularProgress
+        color={color}
+        size={size}
+        value={convertedPercent || 0}
+        isIndeterminate={isLoading}
+      >
+        {numConverted != null && numTotal != null && (
+          <CircularProgressLabel>
+            {Math.floor(convertedPercent)}%
+          </CircularProgressLabel>
+        )}
+      </CircularProgress>
+      <Box height="1" />
+      <Box textAlign="center">
+        <Box fontSize="xl">{label}</Box>
+        {numConverted != null && numTotal != null && (
+          <Box fontSize="xs">
+            {numConverted.toLocaleString()} of {numTotal.toLocaleString()}
+          </Box>
+        )}
+      </Box>
+    </Flex>
+  );
+}
+
+export default ConversionPage;
diff --git a/src/app/util.js b/src/app/util.js
index e042f9b..90eb05e 100644
--- a/src/app/util.js
+++ b/src/app/util.js
@@ -84,8 +84,12 @@ export function Heading3({ children, ...props }) {
 /**
  * ErrorMessage is a simple error message for simple errors!
  */
-export function ErrorMessage({ children }) {
-  return <Box color="red.400">{children}</Box>;
+export function ErrorMessage({ children, ...props }) {
+  return (
+    <Box color="red.400" {...props}>
+      {children}
+    </Box>
+  );
 }
 
 export function useCommonStyles() {
diff --git a/src/server/loaders.js b/src/server/loaders.js
index 6428d1f..352dc96 100644
--- a/src/server/loaders.js
+++ b/src/server/loaders.js
@@ -709,6 +709,40 @@ const buildSwfAssetLoader = (db) =>
     );
   });
 
+const buildSwfAssetCountLoader = (db) =>
+  new DataLoader(
+    async (requests) => {
+      const [rows, _] = await db.execute(
+        `
+          SELECT count(*) AS count, type,
+            (manifest IS NOT NULL AND manifest != "") AS is_converted
+          FROM swf_assets
+          GROUP BY type, is_converted;
+        `
+      );
+      const entities = rows.map(normalizeRow);
+
+      return requests.map(({ type, isConverted }) => {
+        // Find the returned rows that match this count request.
+        let matchingEntities = entities;
+        if (type != null) {
+          matchingEntities = matchingEntities.filter((e) => e.type === type);
+        }
+        if (isConverted != null) {
+          matchingEntities = matchingEntities.filter(
+            (e) => Boolean(e.isConverted) === isConverted
+          );
+        }
+
+        // Add their counts together, and return the total.
+        return matchingEntities.map((e) => e.count).reduce((a, b) => a + b, 0);
+      });
+    },
+    {
+      cacheKeyFn: ({ type, isConverted }) => `${type},${isConverted}`,
+    }
+  );
+
 const buildSwfAssetByRemoteIdLoader = (db) =>
   new DataLoader(
     async (typeAndRemoteIdPairs) => {
@@ -1190,6 +1224,7 @@ function buildLoaders(db) {
     loaders
   );
   loaders.swfAssetLoader = buildSwfAssetLoader(db);
+  loaders.swfAssetCountLoader = buildSwfAssetCountLoader(db);
   loaders.swfAssetByRemoteIdLoader = buildSwfAssetByRemoteIdLoader(db);
   loaders.itemSwfAssetLoader = buildItemSwfAssetLoader(db, loaders);
   loaders.petSwfAssetLoader = buildPetSwfAssetLoader(db, loaders);
diff --git a/src/server/types/AppearanceLayer.js b/src/server/types/AppearanceLayer.js
index 1afa7b9..95ac71e 100644
--- a/src/server/types/AppearanceLayer.js
+++ b/src/server/types/AppearanceLayer.js
@@ -8,6 +8,11 @@ const typeDefs = gql`
     SIZE_150
   }
 
+  enum LayerType {
+    PET_LAYER
+    ITEM_LAYER
+  }
+
   # Cache for 1 week (unlikely to change)
   type AppearanceLayer @cacheControl(maxAge: 604800) {
     # The DTI ID. Guaranteed unique across all layers of all types.
@@ -67,6 +72,18 @@ const typeDefs = gql`
     """
     restrictedZones: [Zone!]!
   }
+
+  extend type Query {
+    # Return the number of layers that have been converted to HTML5, optionally
+    # filtered by type. Cache for 30 minutes (we re-sync with Neopets every
+    # hour).
+    numAppearanceLayersConverted(type: LayerType): Int!
+      @cacheControl(maxAge: 1800)
+
+    # Return the total number of layers, optionally filtered by type. Cache for
+    # 30 minutes (we re-sync with Neopets every hour).
+    numAppearanceLayersTotal(type: LayerType): Int! @cacheControl(maxAge: 1800)
+  }
 `;
 
 const resolvers = {
@@ -200,8 +217,39 @@ const resolvers = {
       return { id: String(rows[0].parent_id) };
     },
   },
+
+  Query: {
+    numAppearanceLayersConverted: async (
+      _,
+      { type },
+      { swfAssetCountLoader }
+    ) => {
+      const count = await swfAssetCountLoader.load({
+        type: convertLayerTypeToSwfAssetType(type),
+        isConverted: true,
+      });
+      return count;
+    },
+    numAppearanceLayersTotal: async (_, { type }, { swfAssetCountLoader }) => {
+      const count = await swfAssetCountLoader.load({
+        type: convertLayerTypeToSwfAssetType(type),
+      });
+      return count;
+    },
+  },
 };
 
+function convertLayerTypeToSwfAssetType(layerType) {
+  switch (layerType) {
+    case "PET_LAYER":
+      return "biology";
+    case "ITEM_LAYER":
+      return "object";
+    default:
+      return null;
+  }
+}
+
 async function loadAndCacheAssetManifest(db, layer) {
   let manifest;
   try {