diff --git a/README.md b/README.md
index 230ea1b..27884a2 100644
--- a/README.md
+++ b/README.md
@@ -150,7 +150,7 @@ host will serve it.
 ### One File, No Install
 
 There is a **Download DecodeBox** button in the header of the running application. It hands you
-`decodebox.html`: the whole thing in a single 1.1 MB file — the interface, all 504 operations, the
+`decodebox.html`: the whole thing in a single 1.2 MB file — the interface, all 504 operations, the
 fonts, the styles. Double-click it and it runs. No server, no npm, no network, nothing to install,
 which is the point on an air-gapped machine where getting a build toolchain in is harder than
 getting one file in.
diff --git a/index.html b/index.html
index e132512..f45ec06 100644
--- a/index.html
+++ b/index.html
@@ -14,12 +14,27 @@
     <title>OWASP DecodeBox</title>
     <meta
       name="description"
-      content="An encoding and decoding workbench that identifies unknown data, explains the evidence behind every guess, and unwraps nested encodings. Everything runs in your browser."
+      content="Encode. Decode. Identify. Smart decoding for any data: paste a string and DecodeBox recognises the encoding and unwraps it, layer by layer."
     />
     <meta name="color-scheme" content="dark light" />
     <meta name="theme-color" content="#121314" />
     <link rel="icon" type="image/svg+xml" href="./favicon.svg" />
 
+    <!--
+      Link previews in chat apps and social sites. Crawlers need absolute URLs and never run
+      the page, so these point at the published site rather than at a relative path.
+    -->
+    <meta property="og:type" content="website" />
+    <meta property="og:site_name" content="OWASP DecodeBox" />
+    <meta property="og:title" content="OWASP DecodeBox" />
+    <meta property="og:description" content="Encode. Decode. Identify. Smart decoding for any data." />
+    <meta property="og:url" content="https://owasp.github.io/DecodeBox/" />
+    <meta property="og:image" content="https://owasp.github.io/DecodeBox/og-image.png" />
+    <meta property="og:image:width" content="1200" />
+    <meta property="og:image:height" content="630" />
+    <meta property="og:image:alt" content="DecodeBox auto-decoding a Base64, gzip and JSON payload" />
+    <meta name="twitter:card" content="summary_large_image" />
+
     <script>
       // Applied before first paint so the page never flashes the wrong theme.
       // Wrapped because storage access throws outright in some privacy modes.
diff --git a/public/og-image.png b/public/og-image.png
new file mode 100644
index 0000000..802780a
Binary files /dev/null and b/public/og-image.png differ
diff --git a/src/i18n/en.ts b/src/i18n/en.ts
index b2ada2c..74d701e 100644
--- a/src/i18n/en.ts
+++ b/src/i18n/en.ts
@@ -33,7 +33,7 @@ export const t = {
     findings: 'Findings',
     indicators: 'Indicators',
     noFindings: 'Nothing flagged. No credentials, keys, dangerous commands or known bad patterns matched in any layer.',
-    noIndicators: 'No addresses, hosts or hashes found in any layer.',
+    noIndicators: 'No addresses, hosts, hashes, paths or keys found in any layer.',
     empty: 'Paste something into input.txt and DecodeBox will map what is inside it.',
     working: 'Analysing…',
     truncated: 'The tree hit a bound and is not exhaustive.',
@@ -220,7 +220,7 @@ export const t = {
     indicators: 'Indicators',
     layers: 'Layers',
     foundAt: 'Found at',
-    noIndicators: 'No addresses, hosts, paths or keys were found at any layer.',
+    noIndicators: 'No addresses, hosts, hashes, paths or keys found in any layer.',
     defangNote:
       'Indicators are shown defanged, so they can be pasted into a ticket without anything becoming a live link.',
   },
@@ -252,9 +252,9 @@ export const t = {
     kinds: {
       flag: 'flag',
       decode: 'decode',
-      crack: 'cracked',
+      crack: 'crack',
       shape: 'shape',
-      identify: 'identity',
+      identify: 'identify',
       inspect: 'inspect',
     },
     privacy: 'Every layer was decoded in this browser. Nothing was uploaded.',
@@ -384,7 +384,7 @@ export const t = {
     version: 'Version',
     built: 'Built',
     button: 'Download the file',
-    size: 'about 1 MB',
+    size: 'about 1.2 MB',
   },
 
   help: {