diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index bf4997b..e3224ef 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -106,6 +106,27 @@ dependencies = [
  "security-framework",
 ]
 
+[[package]]
+name = "arboard"
+version = "3.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0348a1c054491f4bfe6ab86a7b6ab1e44e45d899005de92f58b3df180b36ddaf"
+dependencies = [
+ "clipboard-win",
+ "image",
+ "log 0.4.33",
+ "objc2",
+ "objc2-app-kit",
+ "objc2-core-foundation",
+ "objc2-core-graphics",
+ "objc2-foundation",
+ "parking_lot",
+ "percent-encoding",
+ "windows-sys 0.60.2",
+ "wl-clipboard-rs",
+ "x11rb",
+]
+
 [[package]]
 name = "arrayvec"
 version = "0.7.8"
@@ -703,6 +724,15 @@ dependencies = [
  "inout",
 ]
 
+[[package]]
+name = "clipboard-win"
+version = "5.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bde03770d3df201d4fb868f2c9c59e66a3e4e2bd06692a0fe701e7103c7e84d4"
+dependencies = [
+ "error-code",
+]
+
 [[package]]
 name = "cmov"
 version = "0.5.4"
@@ -1173,13 +1203,19 @@ checksum = "521e380c0c8afb8d9a1e83a1822ee03556fc3e3e7dbc1fd30be14e37f9cb3f89"
 dependencies = [
  "bit-set",
  "cssparser",
- "foldhash",
+ "foldhash 0.2.0",
  "html5ever",
  "precomputed-hash",
  "selectors",
  "tendril",
 ]
 
+[[package]]
+name = "downcast-rs"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
+
 [[package]]
 name = "dpi"
 version = "0.1.2"
@@ -1324,6 +1360,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "error-code"
+version = "3.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dea2df4cf52843e0452895c455a1a2cfbb842a1e7329671acf418fdc53ed4c59"
+
 [[package]]
 name = "event-listener"
 version = "5.4.1"
@@ -1363,6 +1405,12 @@ version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6"
 
+[[package]]
+name = "fax"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caf1079563223d5d59d83c85886a56e586cfd5c1a26292e971a0fa266531ac5a"
+
 [[package]]
 name = "fdeflate"
 version = "0.3.7"
@@ -1424,6 +1472,7 @@ dependencies = [
  "system_shutdown",
  "tauri",
  "tauri-build",
+ "tauri-plugin-clipboard-manager",
  "tauri-plugin-deep-link",
  "tauri-plugin-dialog",
  "tauri-plugin-log",
@@ -1444,6 +1493,12 @@ dependencies = [
  "zbus-secret-service-keyring-store",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
+
 [[package]]
 name = "flate2"
 version = "1.1.9"
@@ -1460,6 +1515,12 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
 [[package]]
 name = "foldhash"
 version = "0.2.0"
@@ -1701,6 +1762,16 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "gethostname"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bd49230192a3797a9a4d6abe9b3eed6f7fa4c8a8a4947977c6f80025f92cbd8"
+dependencies = [
+ "rustix",
+ "windows-link 0.2.1",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.17"
@@ -1883,6 +1954,17 @@ dependencies = [
  "syn 2.0.118",
 ]
 
+[[package]]
+name = "half"
+version = "2.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea2d84b969582b4b1864a92dc5d27cd2b77b622a8d79306834f1be5ba20d84b"
+dependencies = [
+ "cfg-if",
+ "crunchy",
+ "zerocopy",
+]
+
 [[package]]
 name = "handlebars"
 version = "0.29.1"
@@ -1892,7 +1974,7 @@ dependencies = [
  "lazy_static 0.2.11",
  "log 0.3.9",
  "pest",
- "quick-error",
+ "quick-error 1.2.3",
  "regex 0.2.11",
  "serde",
  "serde_json",
@@ -1913,13 +1995,22 @@ version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash 0.1.5",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
 dependencies = [
- "foldhash",
+ "foldhash 0.2.0",
 ]
 
 [[package]]
@@ -1928,7 +2019,7 @@ version = "0.17.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 dependencies = [
- "foldhash",
+ "foldhash 0.2.0",
 ]
 
 [[package]]
@@ -2268,6 +2359,7 @@ dependencies = [
  "moxcms",
  "num-traits",
  "png 0.18.1",
+ "tiff",
 ]
 
 [[package]]
@@ -2809,6 +2901,15 @@ dependencies = [
  "memoffset 0.6.5",
 ]
 
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "notify-rust"
 version = "4.18.0"
@@ -2970,6 +3071,7 @@ dependencies = [
  "block2",
  "objc2",
  "objc2-core-foundation",
+ "objc2-core-graphics",
  "objc2-foundation",
 ]
 
@@ -3298,6 +3400,17 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0a6dda33d67c26f0aac90d324ab2eb7239c819fc7b2552fe9faa4fe88441edc8"
 
+[[package]]
+name = "petgraph"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8701b58ea97060d5e5b155d383a69952a60943f0e6dfe30b04c287beb0b27455"
+dependencies = [
+ "fixedbitset",
+ "hashbrown 0.15.5",
+ "indexmap 2.14.0",
+]
+
 [[package]]
 name = "phf"
 version = "0.13.1"
@@ -3382,7 +3495,7 @@ checksum = "7da1d65da6dd5d1e44199ac0f58712d241c0f439f80adea8924d832384087f85"
 dependencies = [
  "base64 0.22.1",
  "indexmap 2.14.0",
- "quick-xml",
+ "quick-xml 0.41.0",
  "serde",
  "time",
 ]
@@ -3551,6 +3664,21 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
+[[package]]
+name = "quick-error"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3"
+
+[[package]]
+name = "quick-xml"
+version = "0.39.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdcc8dd4e2f670d309a5f0e83fe36dfdc05af317008fea29144da1a2ac858e5e"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "quick-xml"
 version = "0.41.0"
@@ -4885,6 +5013,21 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "tauri-plugin-clipboard-manager"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "206dc20af4ed210748ba945c2774e60fd0acd52b9a73a028402caf809e9b6ecf"
+dependencies = [
+ "arboard",
+ "log 0.4.33",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-plugin",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "tauri-plugin-deep-link"
 version = "2.4.9"
@@ -5239,6 +5382,20 @@ dependencies = [
  "lazy_static 1.5.0",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b63feaf3343d35b6ca4d50483f94843803b0f51634937cc2ec519fc32232bc52"
+dependencies = [
+ "fax",
+ "flate2",
+ "half",
+ "quick-error 2.0.1",
+ "weezl",
+ "zune-jpeg",
+]
+
 [[package]]
 name = "time"
 version = "0.3.53"
@@ -5620,6 +5777,17 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "tree_magic_mini"
+version = "3.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8765b90061cba6c22b5831f675da109ae5561588290f9fa2317adab2714d5a6"
+dependencies = [
+ "memchr",
+ "nom",
+ "petgraph",
+]
+
 [[package]]
 name = "try-lock"
 version = "0.2.5"
@@ -5960,6 +6128,76 @@ dependencies = [
  "web-sys",
 ]
 
+[[package]]
+name = "wayland-backend"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2857dd20b54e916ec7253b3d6b4d5c4d7d4ca2c33c2e11c6c76a99bd8744755d"
+dependencies = [
+ "cc",
+ "downcast-rs",
+ "rustix",
+ "smallvec",
+ "wayland-sys",
+]
+
+[[package]]
+name = "wayland-client"
+version = "0.31.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "645c7c96bb74690c3189b5c9cb4ca1627062bb23693a4fad9d8c3de958260144"
+dependencies = [
+ "bitflags 2.13.0",
+ "rustix",
+ "wayland-backend",
+ "wayland-scanner",
+]
+
+[[package]]
+name = "wayland-protocols"
+version = "0.32.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23d0c813de3daa2ed6520af85a3bd49b0e722a3078506899aa9686fea58dc4b6"
+dependencies = [
+ "bitflags 2.13.0",
+ "wayland-backend",
+ "wayland-client",
+ "wayland-scanner",
+]
+
+[[package]]
+name = "wayland-protocols-wlr"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb04e52f7836d7c7976c78ca0250d61e33873c34156a2a1fc9474828ec268234"
+dependencies = [
+ "bitflags 2.13.0",
+ "wayland-backend",
+ "wayland-client",
+ "wayland-protocols",
+ "wayland-scanner",
+]
+
+[[package]]
+name = "wayland-scanner"
+version = "0.31.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c324a910fd86ebdc364a3e61ec1f11737d3b1d6c273c0239ee8ff4bc0d24b4a"
+dependencies = [
+ "proc-macro2",
+ "quick-xml 0.39.4",
+ "quote",
+]
+
+[[package]]
+name = "wayland-sys"
+version = "0.31.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8eab23fefc9e41f8e841df4a9c707e8a8c4ed26e944ef69297184de2785e3be"
+dependencies = [
+ "pkg-config",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.103"
@@ -6071,6 +6309,12 @@ dependencies = [
  "windows-core 0.61.2",
 ]
 
+[[package]]
+name = "weezl"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28ac98ddc8b9274cb41bb4d9d4d5c425b6020c50c46f25559911905610b4a88"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -6682,6 +6926,24 @@ version = "0.57.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
 
+[[package]]
+name = "wl-clipboard-rs"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9651471a32e87d96ef3a127715382b2d11cc7c8bb9822ded8a7cc94072eb0a3"
+dependencies = [
+ "libc",
+ "log 0.4.33",
+ "os_pipe",
+ "rustix",
+ "thiserror 2.0.18",
+ "tree_magic_mini",
+ "wayland-backend",
+ "wayland-client",
+ "wayland-protocols",
+ "wayland-protocols-wlr",
+]
+
 [[package]]
 name = "writeable"
 version = "0.6.3"
@@ -6762,6 +7024,23 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "x11rb"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9993aa5be5a26815fe2c3eacfc1fde061fc1a1f094bf1ad2a18bf9c495dd7414"
+dependencies = [
+ "gethostname",
+ "rustix",
+ "x11rb-protocol",
+]
+
+[[package]]
+name = "x11rb-protocol"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6fc2961e4ef194dcbfe56bb845534d0dc8098940c7e5c012a258bfec6701bd"
+
 [[package]]
 name = "yoke"
 version = "0.8.3"
@@ -6943,6 +7222,21 @@ version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
 
+[[package]]
+name = "zune-core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb8a0807f7c01457d0379ba880ba6322660448ddebc890ce29bb64da71fb40f9"
+
+[[package]]
+name = "zune-jpeg"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27bc9d5b815bc103f142aa054f561d9187d191692ec7c2d1e2b4737f8dbd7296"
+dependencies = [
+ "zune-core",
+]
+
 [[package]]
 name = "zvariant"
 version = "5.13.0"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index eb03ba1..8466eab 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -36,6 +36,7 @@ rustls = { version = "0.23", default-features = false, features = ["ring", "std"
 uuid = { version = "1", features = ["v4"] }
 ts-rs = { version = "12", features = ["serde-compat", "uuid-impl"] }
 tauri-plugin-notification = "2.3.3"
+tauri-plugin-clipboard-manager = "2.3.2"
 sysinfo = "0.39.3"
 hmac = "0.13"
 sha2 = "0.11"
diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
index b7e8a74..8c351e7 100644
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@@ -13,6 +13,7 @@
     "dialog:default",
     "log:default",
     "notification:default",
-    "notification:allow-is-permission-granted"
+    "notification:allow-is-permission-granted",
+    "clipboard-manager:allow-read-text"
   ]
 }
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 67de61e..96f0bbe 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -5958,6 +5958,7 @@ pub fn run() {
         .plugin(tauri_plugin_shell::init())
         .plugin(tauri_plugin_opener::init())
         .plugin(tauri_plugin_notification::init())
+        .plugin(tauri_plugin_clipboard_manager::init())
         .on_window_event(|window, event| {
             if window.label() == "main" {
                 if let tauri::WindowEvent::CloseRequested { api, .. } = event {
diff --git a/src/components/DownloadTable.tsx b/src/components/DownloadTable.tsx
index 08efbff..d6e82bc 100644
--- a/src/components/DownloadTable.tsx
+++ b/src/components/DownloadTable.tsx
@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { useDownloadStore, DownloadItem } from '../store/useDownloadStore';
 import { useToast } from '../contexts/ToastContext';
 import { useSettingsStore } from '../store/useSettingsStore';
@@ -18,6 +18,7 @@ import {
   startActionLabel
 } from '../utils/downloadActions';
 import { isActiveDownloadStatus } from '../utils/downloads';
+import { readClipboardDownloadUrls } from '../utils/clipboard';
 
 interface DownloadTableProps {
   filter: SidebarFilter;
@@ -27,9 +28,19 @@ const DEFAULT_COLUMN_WIDTHS = [340, 100, 220, 100, 80, 170];
 const COLUMN_WIDTHS_STORAGE_KEY = 'firelink-download-column-widths';
 
 export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
-  const { downloads, queues, assignToQueue, toggleAddModal, openDeleteModal, redownload } = useDownloadStore();
+  const { downloads, queues, assignToQueue, openDeleteModal, redownload } = useDownloadStore();
   const { addToast } = useToast();
   const isMac = navigator.userAgent.includes('Mac');
+  const [isReadingClipboard, setIsReadingClipboard] = useState(false);
+  const clipboardReadInFlightRef = useRef(false);
+  const isMountedRef = useRef(true);
+
+  useEffect(() => {
+    isMountedRef.current = true;
+    return () => {
+      isMountedRef.current = false;
+    };
+  }, []);
 
   const [contextMenu, setContextMenu] = useState<{ x: number; y: number; id: string } | null>(null);
   const [animationParent] = useAutoAnimate<HTMLDivElement>();
@@ -355,6 +366,52 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
 
   const contextItem = contextMenu ? downloads.find(d => d.id === contextMenu.id) : null;
 
+  const handleAddDownload = async () => {
+    if (clipboardReadInFlightRef.current) return;
+
+    clipboardReadInFlightRef.current = true;
+    setIsReadingClipboard(true);
+    const store = useDownloadStore.getState();
+    const initialModalState = {
+      isOpen: store.isAddModalOpen,
+      requestVersion: store.pendingAddRequestVersion,
+    };
+
+    try {
+      const urls = await readClipboardDownloadUrls();
+      if (!isMountedRef.current) return;
+      const currentStore = useDownloadStore.getState();
+
+      // Do not append a late clipboard result to a newer extension, deep-link,
+      // paste, or modal request that arrived while the OS clipboard was read.
+      if (
+        currentStore.isAddModalOpen !== initialModalState.isOpen ||
+        currentStore.pendingAddRequestVersion !== initialModalState.requestVersion
+      ) {
+        return;
+      }
+
+      if (urls.length > 0) {
+        currentStore.openAddModalWithUrls(urls.join('\n'));
+      } else {
+        currentStore.toggleAddModal(true);
+      }
+    } catch (error) {
+      console.warn('Could not read clipboard for Add Download:', error);
+      if (!isMountedRef.current) return;
+      const currentStore = useDownloadStore.getState();
+      if (
+        currentStore.isAddModalOpen === initialModalState.isOpen &&
+        currentStore.pendingAddRequestVersion === initialModalState.requestVersion
+      ) {
+        currentStore.toggleAddModal(true);
+      }
+    } finally {
+      clipboardReadInFlightRef.current = false;
+      if (isMountedRef.current) setIsReadingClipboard(false);
+    }
+  };
+
 
   const getCategoryIcon = (category: string) => {
     switch(category) {
@@ -378,7 +435,13 @@ export const DownloadTable: React.FC<DownloadTableProps> = ({ filter }) => {
         <div className="main-titlebar-title cursor-default" data-tauri-drag-region>Firelink</div>
 
         <div className="main-control-group">
-          <button className="main-control-button primary" onClick={() => toggleAddModal(true)} title="Add Download">
+          <button
+            className="main-control-button primary"
+            onClick={() => void handleAddDownload()}
+            disabled={isReadingClipboard}
+            aria-busy={isReadingClipboard}
+            title="Add Download"
+          >
             <Plus size={16} />
           </button>
 
diff --git a/src/store/useDownloadStore.test.ts b/src/store/useDownloadStore.test.ts
index 90a5402..754d169 100644
--- a/src/store/useDownloadStore.test.ts
+++ b/src/store/useDownloadStore.test.ts
@@ -93,6 +93,16 @@ describe('useDownloadStore', () => {
     });
   });
 
+  it('invalidates in-flight Add-modal handoffs when the modal is toggled', () => {
+    const initialVersion = useDownloadStore.getState().pendingAddRequestVersion;
+
+    useDownloadStore.getState().toggleAddModal(true);
+    expect(useDownloadStore.getState().pendingAddRequestVersion).toBe(initialVersion + 1);
+
+    useDownloadStore.getState().toggleAddModal(false);
+    expect(useDownloadStore.getState().pendingAddRequestVersion).toBe(initialVersion + 2);
+  });
+
   it('normalizes proxy settings for download dispatch', async () => {
     expect(normalizeCustomProxy('127.0.0.1', 8080)).toBe('http://127.0.0.1:8080');
     expect(normalizeCustomProxy('http://proxy.local:9000', 8080)).toBe('http://proxy.local:9000');
diff --git a/src/store/useDownloadStore.ts b/src/store/useDownloadStore.ts
index 41837ca..b19a2fb 100644
--- a/src/store/useDownloadStore.ts
+++ b/src/store/useDownloadStore.ts
@@ -484,7 +484,7 @@ export const useDownloadStore = create<DownloadState>((set, get) => ({
     } 
   }),
   closeDeleteModal: () => set({ deleteModalState: { isOpen: false } }),
-  toggleAddModal: (isOpen) => set({
+  toggleAddModal: (isOpen) => set((state) => ({
     isAddModalOpen: isOpen,
     pendingAddUrls: '',
     pendingAddReferer: '',
@@ -492,8 +492,11 @@ export const useDownloadStore = create<DownloadState>((set, get) => ({
     pendingAddHeaders: '',
     pendingAddCookies: '',
     pendingAddMediaUrls: [],
-    pendingAddRequestContexts: {}
-  }),
+    pendingAddRequestContexts: {},
+    // Invalidate any in-flight Add-modal handoff even when the modal is
+    // opened or closed without URLs.
+    pendingAddRequestVersion: state.pendingAddRequestVersion + 1
+  })),
   openAddModalWithUrls: (urls, referer, filename, headers, cookies, media = false) => set((state) => {
     const isAppending = state.isAddModalOpen && Boolean(state.pendingAddUrls);
     const existingUrls = isAppending ? state.pendingAddUrls : '';
diff --git a/src/utils/clipboard.test.ts b/src/utils/clipboard.test.ts
new file mode 100644
index 0000000..e05e112
--- /dev/null
+++ b/src/utils/clipboard.test.ts
@@ -0,0 +1,31 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { readClipboardDownloadUrls } from './clipboard';
+import { readText } from '@tauri-apps/plugin-clipboard-manager';
+
+vi.mock('@tauri-apps/plugin-clipboard-manager', () => ({
+  readText: vi.fn(),
+}));
+
+describe('clipboard URL extraction', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('reads only supported, unique download URLs from clipboard text', async () => {
+    vi.mocked(readText).mockResolvedValue(
+      'https://example.com/file.zip\nhttps://example.com/file.zip ftp://example.com/file.bin mailto:user@example.com'
+    );
+
+    await expect(readClipboardDownloadUrls()).resolves.toEqual([
+      'https://example.com/file.zip',
+      'ftp://example.com/file.bin',
+    ]);
+  });
+
+  it('preserves clipboard read failures for the caller to handle', async () => {
+    const error = new Error('clipboard unavailable');
+    vi.mocked(readText).mockRejectedValue(error);
+
+    await expect(readClipboardDownloadUrls()).rejects.toBe(error);
+  });
+});
diff --git a/src/utils/clipboard.ts b/src/utils/clipboard.ts
new file mode 100644
index 0000000..d19a2a9
--- /dev/null
+++ b/src/utils/clipboard.ts
@@ -0,0 +1,7 @@
+import { readText } from '@tauri-apps/plugin-clipboard-manager';
+import { extractValidDownloadUrls } from './url';
+
+export const readClipboardDownloadUrls = async (): Promise<string[]> => {
+  const clipboardText = await readText();
+  return extractValidDownloadUrls(clipboardText);
+};