diff --git a/frontend/app/components/DashboardHeader.tsx b/frontend/app/components/DashboardHeader.tsx
index c7c2a1e7..480060fd 100644
--- a/frontend/app/components/DashboardHeader.tsx
+++ b/frontend/app/components/DashboardHeader.tsx
@@ -3,6 +3,7 @@
 import Link from "next/link";
 import React, { useState } from "react";
 import type { RejectedFile } from "../lib/upload-validation";
+import type { WorkspaceSummary, AnalysisReport } from "../types";
 
 export type FileProgress = "pending" | "analyzing" | "done" | "error";
 
@@ -13,6 +14,7 @@ interface DashboardHeaderProps {
   handleFileUpload: (e: React.ChangeEvent<HTMLInputElement>) => void;
   onContractFiles: (files: File[]) => void;
   exportToPdf: () => void;
+  shareReport?: () => Promise<void>;
   hasData: boolean;
   isProcessing: boolean;
   uploadStatus: string | null;
@@ -36,6 +38,7 @@ export function DashboardHeader({
   handleFileUpload,
   onContractFiles,
   exportToPdf,
+  shareReport,
   hasData,
   isProcessing,
   uploadStatus,
@@ -45,6 +48,14 @@ export function DashboardHeader({
   rejectedFiles,
 }: DashboardHeaderProps) {
   const [isDragging, setIsDragging] = useState(false);
+  const [shareCopied, setShareCopied] = useState(false);
+
+  const handleShare = async () => {
+    if (!shareReport) return;
+    await shareReport();
+    setShareCopied(true);
+    setTimeout(() => setShareCopied(false), 2000);
+  };
 
   const handleDragOver = (e: React.DragEvent) => {
     e.preventDefault();
@@ -124,6 +135,16 @@ export function DashboardHeader({
         >
           Export PDF
         </button>
+        {shareReport && (
+          <button
+            onClick={handleShare}
+            disabled={!hasData}
+            className="flex-1 sm:flex-none rounded-lg border border-zinc-300 dark:border-zinc-600 theme-high-contrast:border-white px-4 py-2 text-sm disabled:opacity-50 hover:bg-zinc-100 dark:hover:bg-zinc-800 theme-high-contrast:hover:bg-zinc-900 focus:outline-none focus-visible:ring-2 focus-visible:ring-zinc-400 focus-visible:ring-offset-2 disabled:focus-visible:ring-0"
+            aria-label="Copy share link to clipboard"
+          >
+            {shareCopied ? "Link Copied!" : "Share"}
+          </button>
+        )}
       </div>
 
       {/* Drag-and-drop batch upload zone */}
diff --git a/frontend/app/dashboard/page.tsx b/frontend/app/dashboard/page.tsx
index 171a58c8..54400449 100644
--- a/frontend/app/dashboard/page.tsx
+++ b/frontend/app/dashboard/page.tsx
@@ -17,6 +17,7 @@ import {
   SAMPLE_JSON,
 } from "../lib/report-ingestion";
 import { exportToPdf } from "../lib/export-pdf";
+import { copyShareLink, isShareLinkTooLarge } from "../lib/share-link";
 import { SeverityFilter } from "../components/SeverityFilter";
 import { FindingsList } from "../components/FindingsList";
 import { SummaryChart } from "../components/SummaryChart";
@@ -210,6 +211,19 @@ export default function DashboardPage() {
     setCodeFilterError(validateFindingCodeQuery(normalized));
   }, []);
 
+  const handleShareReport = async () => {
+    const workspace = selectedContract?.report
+      ? { workspace: "sanctifier", contracts: [{ name: selectedContract.name, total_findings: findings.length }], shared_libs: [], grand_total_findings: findings.length }
+      : null;
+    const data = workspace ?? currentReport;
+    if (!data) return;
+    if (isShareLinkTooLarge(data as Parameters<typeof copyShareLink>[0])) {
+      setError("Report is too large to share via URL. Export as PDF instead.");
+      return;
+    }
+    await copyShareLink(data as Parameters<typeof copyShareLink>[0]);
+  };
+
   const hasData = currentReport !== null;
   const isProcessing = isPending || isUploadingContract;
   const hasLoadedReport = jsonInput.trim().length > 0;
@@ -224,6 +238,7 @@ export default function DashboardPage() {
           handleFileUpload={handleFileUpload}
           onContractFiles={handleContractFiles}
           exportToPdf={() => exportToPdf(findings)}
+          shareReport={handleShareReport}
           hasData={hasData}
           isProcessing={isProcessing}
           uploadStatus={uploadStatus}
diff --git a/frontend/app/lib/share-link.ts b/frontend/app/lib/share-link.ts
new file mode 100644
index 00000000..e1ef437c
--- /dev/null
+++ b/frontend/app/lib/share-link.ts
@@ -0,0 +1,46 @@
+import type { WorkspaceSummary, AnalysisReport } from "../types";
+
+const PARAM_KEY = "report";
+const MAX_URL_BYTES = 8000;
+
+function isWorkspaceSummary(v: unknown): v is WorkspaceSummary {
+  return (
+    typeof v === "object" &&
+    v !== null &&
+    "workspace" in v &&
+    "contracts" in v
+  );
+}
+
+export function encodeShareLink(data: WorkspaceSummary | AnalysisReport): string {
+  const json = JSON.stringify(data);
+  const compressed = btoa(encodeURIComponent(json));
+  const url = new URL(window.location.href);
+  url.searchParams.set(PARAM_KEY, compressed);
+  return url.toString();
+}
+
+export function decodeShareLink(search: string): WorkspaceSummary | AnalysisReport | null {
+  try {
+    const params = new URLSearchParams(search);
+    const encoded = params.get(PARAM_KEY);
+    if (!encoded) return null;
+    const json = decodeURIComponent(atob(encoded));
+    const parsed: unknown = JSON.parse(json);
+    if (typeof parsed !== "object" || parsed === null) return null;
+    return parsed as WorkspaceSummary | AnalysisReport;
+  } catch {
+    return null;
+  }
+}
+
+export function isShareLinkTooLarge(data: WorkspaceSummary | AnalysisReport): boolean {
+  const json = JSON.stringify(data);
+  const compressed = btoa(encodeURIComponent(json));
+  return compressed.length > MAX_URL_BYTES;
+}
+
+export async function copyShareLink(data: WorkspaceSummary | AnalysisReport): Promise<void> {
+  const link = encodeShareLink(data);
+  await navigator.clipboard.writeText(link);
+}