diff --git a/js/src/features/particles/particle-attachments.tsx b/js/src/features/particles/particle-attachments.tsx
index f4e02d1..5d59abc 100644
--- a/js/src/features/particles/particle-attachments.tsx
+++ b/js/src/features/particles/particle-attachments.tsx
@@ -1,8 +1,9 @@
-import { Download, FileIcon } from "lucide-react";
+import { Download, ExternalLink, FileIcon } from "lucide-react";
 import type { Particle } from "@/api/types";
 import { useDownloadUrl } from "@/hooks/use-download-url";
 import { Skeleton } from "@/components/ui/skeleton";
 import { ScrollArea, ScrollBar } from "@/components/ui/scroll-area";
+import { Button } from "@/components/ui/button";
 
 type FileParticle = Extract<Particle, { type: "file" }>;
 
@@ -23,22 +24,37 @@ function ImageAttachment({ particle }: { particle: FileParticle }) {
     return <Skeleton className="h-20 w-20 shrink-0 rounded-lg bg-white/10" />;
   }
 
+  const handleDownload = (e: React.MouseEvent) => {
+    e.stopPropagation();
+    e.preventDefault();
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = particle.properties.filename;
+    document.body.appendChild(a);
+    a.click();
+    document.body.removeChild(a);
+  };
+
   return (
     <a
       href={url}
       target="_blank"
       rel="noopener noreferrer"
       onClick={(e) => e.stopPropagation()}
-      className="group relative block h-20 w-20 shrink-0 overflow-hidden rounded-lg bg-white/10"
+      className="group relative block h-30 w-40 shrink-0 overflow-hidden rounded-lg bg-white/10"
     >
       <img
         src={url}
         alt={particle.properties.filename}
-        className="h-full w-full object-cover transition-opacity group-hover:opacity-80"
+        className="h-full w-full object-cover"
       />
-      <div className="absolute inset-0 flex items-center justify-center opacity-0 transition-opacity group-hover:opacity-100">
-        <Download className="size-5 text-white drop-shadow-md" />
-      </div>
+      <button
+        type="button"
+        onClick={handleDownload}
+        className="absolute bottom-1 right-1 rounded-full bg-black/60 p-1 text-white/70 opacity-0 transition-opacity hover:text-white group-hover:opacity-100"
+      >
+        <Download className="size-3.5" />
+      </button>
     </a>
   );
 }
@@ -46,10 +62,30 @@ function ImageAttachment({ particle }: { particle: FileParticle }) {
 function FileAttachment({ particle }: { particle: FileParticle }) {
   const { data: url } = useDownloadUrl(particle.properties.object_id);
 
-  const inner = (
-    <div className="flex h-20 shrink-0 items-center gap-2.5 rounded-lg bg-white/10 px-3 transition-colors hover:bg-white/15">
-      <FileIcon className="size-5 shrink-0 text-white/60" />
-      <div className="flex min-w-0 flex-col gap-0.5">
+  const handleOpen = (e: React.MouseEvent) => {
+    e.stopPropagation();
+    if (url) window.electronLink.openExternal(url);
+  };
+
+  const handleDownload = (e: React.MouseEvent) => {
+    e.stopPropagation();
+    if (!url) return;
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = particle.properties.filename;
+    document.body.appendChild(a);
+    a.click();
+    document.body.removeChild(a);
+  };
+
+  return (
+    <div
+      role="button"
+      onClick={handleOpen}
+      className="flex shrink-0 cursor-pointer flex-col gap-1.5 rounded-lg bg-white/10 px-3 py-2 transition-colors hover:bg-white/15"
+    >
+      <div className="flex items-center gap-2">
+        <FileIcon className="size-4 shrink-0 text-white/60" />
         <span className="max-w-[10rem] truncate text-xs font-medium text-white/90">
           {particle.properties.filename}
         </span>
@@ -57,24 +93,28 @@ function FileAttachment({ particle }: { particle: FileParticle }) {
           {formatFileSize(particle.properties.size_bytes)}
         </span>
       </div>
-      <Download className="size-3.5 shrink-0 text-white/30" />
+      <div className="flex gap-2">
+        <Button
+          variant="ghost"
+          size="xs"
+          className="text-white/70 hover:bg-white/10 hover:text-white"
+          onClick={handleOpen}
+        >
+          <ExternalLink data-icon="inline-start" />
+          Open
+        </Button>
+        <Button
+          variant="ghost"
+          size="xs"
+          className="text-white/70 hover:bg-white/10 hover:text-white"
+          onClick={handleDownload}
+        >
+          <Download data-icon="inline-start" />
+          Download
+        </Button>
+      </div>
     </div>
   );
-
-  if (url) {
-    return (
-      <a
-        href={url}
-        target="_blank"
-        rel="noopener noreferrer"
-        onClick={(e) => e.stopPropagation()}
-      >
-        {inner}
-      </a>
-    );
-  }
-
-  return inner;
 }
 
 export function ParticleAttachments({ attachments }: ParticleAttachmentsProps) {