diff --git a/src/app/OutfitUrlsPage.js b/src/app/OutfitUrlsPage.js
index 6231e0f..2487899 100644
--- a/src/app/OutfitUrlsPage.js
+++ b/src/app/OutfitUrlsPage.js
@@ -1,8 +1,31 @@
 import React from "react";
 import { css } from "@emotion/react";
-import { VStack } from "@chakra-ui/react";
+import {
+  AspectRatio,
+  Box,
+  Button,
+  Center,
+  FormControl,
+  FormErrorMessage,
+  FormLabel,
+  Grid,
+  Input,
+  InputGroup,
+  InputRightElement,
+  Tab,
+  TabList,
+  TabPanel,
+  TabPanels,
+  Tabs,
+  useBreakpointValue,
+  useClipboard,
+  useColorModeValue,
+  VStack,
+} from "@chakra-ui/react";
 
-import { Heading1, Heading2 } from "./util";
+import { Delay, Heading1, Heading2 } from "./util";
+import HangerSpinner from "./components/HangerSpinner";
+import { gql, useQuery } from "@apollo/client";
 
 function OutfitUrlsPage() {
   return (
@@ -27,13 +50,14 @@ function OutfitUrlsPage() {
         `}
       >
         <section>
-          <p>Hi, friends! Sorry for the trouble 😓</p>
           <p>
-            In short: Old outfit image URLs are expiring, but you can get the
-            updated URL right here!
+            Hi, friends! Sorry for the trouble 😓 In short, by switching to the
+            new outfit URLs below, we'll decrease our hosting costs by
+            $20/month! 🙏
           </p>
-          <p>TODO: Outfit image URL converter goes here</p>
+          <OutfitUrlConverter />
         </section>
+        <Box height="2" />
         <section>
           <Heading2>The history</Heading2>
           <p>
@@ -71,4 +95,188 @@ function OutfitUrlsPage() {
   );
 }
 
+function OutfitUrlConverter() {
+  return (
+    <Tabs>
+      <TabList>
+        <Tab>Convert an image</Tab>
+        <Tab>Convert a lookup/petpage</Tab>
+      </TabList>
+      <TabPanels>
+        <TabPanel>
+          <SingleImageConverter />
+        </TabPanel>
+        <TabPanel>
+          <BulkImageConverter />
+        </TabPanel>
+      </TabPanels>
+    </Tabs>
+  );
+}
+
+function SingleImageConverter() {
+  const [inputUrl, setInputUrl] = React.useState("");
+
+  let parsedUrl;
+  let parseError;
+  try {
+    parsedUrl = parseS3OutfitUrl(inputUrl);
+  } catch (e) {
+    parseError = e;
+  }
+
+  const outfitId = parsedUrl?.outfitId;
+  const size = parsedUrl?.size;
+
+  const { loading, error: gqlError, data } = useQuery(
+    gql`
+      query OutfitUrlsSingleImageConverter(
+        $outfitId: ID!
+        $size: OutfitImageSize
+      ) {
+        outfit(id: $outfitId) {
+          id
+          imageUrl(size: $size)
+        }
+      }
+    `,
+    {
+      variables: { outfitId, size: `SIZE_${size}` },
+      skip: outfitId == null || size == null,
+      onError: (e) => console.error(e),
+    }
+  );
+
+  const imageUrl = data?.outfit?.imageUrl;
+
+  const previewBackground = useColorModeValue("gray.200", "whiteAlpha.300");
+  const spinnerSize = useBreakpointValue({ base: "md", md: "sm" });
+
+  const { onCopy, hasCopied } = useClipboard(imageUrl);
+
+  return (
+    <Grid
+      templateAreas={{
+        base: `
+          "input"
+          "output"
+          "preview"
+        `,
+        md: `
+          "preview input"
+          "preview output"
+        `,
+      }}
+      templateColumns={{ base: "auto", md: "auto 1fr" }}
+      columnGap="4"
+      rowGap="2"
+      justifyItems="center"
+    >
+      <FormControl gridArea="input" isInvalid={Boolean(parseError) || gqlError}>
+        <FormLabel fontWeight="bold">Enter an outfit image URL</FormLabel>
+        <Input
+          placeholder="https://openneo-uploads.s3.amazonaws.com/outfits/123/456/789/preview.png"
+          value={inputUrl}
+          onChange={(e) => setInputUrl(e.target.value)}
+        />
+        <FormErrorMessage>
+          {parseError?.message ||
+            (gqlError && `Error loading outfit data. Try again?`) ||
+            null}
+        </FormErrorMessage>
+      </FormControl>
+      <FormControl gridArea="output">
+        <FormLabel fontSize="sm">
+          Then, use this new URL in your layouts instead:
+        </FormLabel>
+        <InputGroup size="sm">
+          <Input
+            placeholder="https://impress-outfit-images.openneo.net/outfits/123456789/v/1020304050/600.png"
+            isReadOnly
+            value={imageUrl}
+          />
+          {imageUrl && (
+            <InputRightElement width="4rem" paddingRight="1">
+              <Button
+                height="calc(100% - .5rem)"
+                size="xs"
+                minWidth="100%"
+                onClick={onCopy}
+              >
+                {hasCopied ? "Copied!" : "Copy"}
+              </Button>
+            </InputRightElement>
+          )}
+        </InputGroup>
+      </FormControl>
+      <AspectRatio
+        gridArea="preview"
+        width={{ base: "100%", md: "150px" }}
+        maxWidth={{ base: "300px", md: "150px" }}
+        ratio={1}
+        background={previewBackground}
+        borderRadius="md"
+        boxShadow="sm"
+        marginTop={{ base: "4", md: "0" }}
+        overflow="hidden"
+      >
+        <Center>
+          {loading ? (
+            <Delay ms={1000}>
+              <HangerSpinner size={spinnerSize} />
+            </Delay>
+          ) : imageUrl ? (
+            <Box
+              as="img"
+              src={imageUrl}
+              alt="Outfit image preview"
+              width={size}
+              height={size}
+              maxWidth="100%"
+              maxHeight="100%"
+              sx={{
+                // Don't let alt text flash in while loading
+                "&:-moz-loading": {
+                  visibility: "hidden",
+                },
+              }}
+            />
+          ) : null}
+        </Center>
+      </AspectRatio>
+    </Grid>
+  );
+}
+
+function BulkImageConverter() {
+  return <Box>TODO: Bulk image converter</Box>;
+}
+
+const S3_OUTFIT_URL_PATTERN = /^https?:\/\/openneo-uploads\.s3\.amazonaws\.com\/outfits\/([0-9]{3})\/([0-9]{3})\/([0-9]{3})\/(preview|medium_preview|small_preview)\.png$/;
+const S3_FILENAMES_TO_SIZES = {
+  preview: 600,
+  medium_preview: 300,
+  small_preview: 150,
+};
+
+function parseS3OutfitUrl(url) {
+  if (!url) {
+    return null;
+  }
+
+  const match = S3_OUTFIT_URL_PATTERN.exec(url);
+  if (!match) {
+    throw new Error(
+      `This URL didn't match the expected pattern. Make sure it's formatted like this: https://openneo-uploads.s3.amazonaws.com/outfits/123/456/789/preview.png`
+    );
+  }
+
+  // Convert ID to number to remove leading 0s, then convert back to string for
+  // consistency with how we handle outfit IDs in this app.
+  const outfitId = String(Number(`${match[1]}${match[2]}${match[3]}`));
+  const size = S3_FILENAMES_TO_SIZES[match[4]];
+
+  return { outfitId, size };
+}
+
 export default OutfitUrlsPage;
diff --git a/src/server/types/Outfit.js b/src/server/types/Outfit.js
index 42287c9..31a4acd 100644
--- a/src/server/types/Outfit.js
+++ b/src/server/types/Outfit.js
@@ -2,6 +2,12 @@ import { gql } from "apollo-server";
 import { getPoseFromPetState } from "../util";
 
 const typeDefs = gql`
+  enum OutfitImageSize {
+    SIZE_600
+    SIZE_300
+    SIZE_150
+  }
+
   type Outfit {
     id: ID!
     name: String
@@ -19,6 +25,8 @@ const typeDefs = gql`
     # This is a convenience field: you could query this from the combination of
     # petAppearance and wornItems, but this gets you it in one shot!
     itemAppearances: [ItemAppearance!]!
+
+    imageUrl(size: OutfitImageSize): String!
   }
 
   extend type Query {
@@ -103,6 +111,21 @@ const resolvers = {
       const outfit = await outfitLoader.load(id);
       return outfit.updatedAt.toISOString();
     },
+    imageUrl: async ({ id }, { size = "SIZE_600" }, { outfitLoader }) => {
+      const outfit = await outfitLoader.load(id);
+
+      const updatedAtTimestamp = Math.floor(
+        new Date(outfit.updatedAt).getTime() / 1000
+      );
+      const sizeNum = size.split("_")[1];
+
+      return (
+        `https://impress-outfit-images.openneo.net/outfits` +
+        `/${encodeURIComponent(outfit.id)}` +
+        `/v/${encodeURIComponent(updatedAtTimestamp)}` +
+        `/${sizeNum}.png`
+      );
+    },
   },
 
   Query: {