diff --git a/packages/extension-ui/package.json b/packages/extension-ui/package.json
index ea7145c8..d7b9dc3a 100644
--- a/packages/extension-ui/package.json
+++ b/packages/extension-ui/package.json
@@ -22,6 +22,7 @@
     "@types/bn.js": "^4.11.6",
     "@types/enzyme": "^3.10.5",
     "@types/enzyme-adapter-react-16": "^1.0.6",
+    "@types/react-copy-to-clipboard": "^4.3.0",
     "@types/react-dom": "^16.9.5",
     "@types/react-router": "^5.1.4",
     "@types/react-router-dom": "^5.1.3",
diff --git a/packages/extension-ui/src/Popup/CreateAccount/Mnemonic.tsx b/packages/extension-ui/src/Popup/CreateAccount/Mnemonic.tsx
index 5f2dc3fc..32279712 100644
--- a/packages/extension-ui/src/Popup/CreateAccount/Mnemonic.tsx
+++ b/packages/extension-ui/src/Popup/CreateAccount/Mnemonic.tsx
@@ -2,8 +2,9 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import React, { useState } from 'react';
+import React, { useCallback, useState } from 'react';
 import { Button, ButtonArea, Checkbox, MnemonicSeed, VerticalSpace, Warning } from '../../components';
+import useToast from '../../hooks/useToast';
 
 interface Props {
   onNextStep: () => void;
@@ -23,13 +24,18 @@ const onCopy = (): void => {
 
 function Mnemonic ({ onNextStep, seed }: Props): React.ReactElement<Props> {
   const [isMnemonicSaved, setIsMnemonicSaved] = useState(false);
+  const { show } = useToast();
+  const _onCopy = useCallback((): void => {
+    onCopy();
+    show('Copied');
+  }, [show]);
 
   return (
     <>
       <Warning>Please write down your wallet’s mnemonic seed and keep it in a safe place. <br />
       Mnemonic seed is used to restore your wallet. Keep it carefully in case you lose your assets.</Warning>
       <MnemonicSeed
-        onCopy={onCopy}
+        onCopy={_onCopy}
         seed={seed}
       />
       <VerticalSpace />
diff --git a/packages/extension-ui/src/Popup/index.tsx b/packages/extension-ui/src/Popup/index.tsx
index 1895ba11..eddfc1bd 100644
--- a/packages/extension-ui/src/Popup/index.tsx
+++ b/packages/extension-ui/src/Popup/index.tsx
@@ -11,6 +11,7 @@ import { setSS58Format } from '@polkadot/util-crypto';
 
 import { Loading } from '../components';
 import { AccountContext, ActionContext, AuthorizeReqContext, MediaContext, MetadataReqContext, SigningReqContext } from '../components/contexts';
+import ToastProvider from '../components/Toast/ToastProvider';
 import { subscribeAccounts, subscribeAuthorizeRequests, subscribeMetadataRequests, subscribeSigningRequests } from '../messaging';
 import Accounts from './Accounts';
 import Authorize from './Authorize';
@@ -100,20 +101,22 @@ export default function Popup (): React.ReactElement<{}> {
             <MediaContext.Provider value={cameraOn && mediaAllowed}>
               <MetadataReqContext.Provider value={metaRequests}>
                 <SigningReqContext.Provider value={signRequests}>
-                  <Switch>
-                    <Route path='/account/create'><CreateAccount /></Route>
-                    <Route path='/account/forget/:address'><Forget /></Route>
-                    <Route path='/account/export/:address'><Export /></Route>
-                    <Route path='/account/import-qr'><ImportQr /></Route>
-                    <Route path='/account/import-seed'><ImportSeed /></Route>
-                    <Route path='/account/derive/:address'><Derive /></Route>
-                    <Route
-                      exact
-                      path='/'
-                    >
-                      <Root />
-                    </Route>
-                  </Switch>
+                  <ToastProvider>
+                    <Switch>
+                      <Route path='/account/create'><CreateAccount /></Route>
+                      <Route path='/account/forget/:address'><Forget /></Route>
+                      <Route path='/account/export/:address'><Export /></Route>
+                      <Route path='/account/import-qr'><ImportQr /></Route>
+                      <Route path='/account/import-seed'><ImportSeed /></Route>
+                      <Route path='/account/derive/:address'><Derive /></Route>
+                      <Route
+                        exact
+                        path='/'
+                      >
+                        <Root />
+                      </Route>
+                    </Switch>
+                  </ToastProvider>
                 </SigningReqContext.Provider>
               </MetadataReqContext.Provider>
             </MediaContext.Provider>
diff --git a/packages/extension-ui/src/components/Address.tsx b/packages/extension-ui/src/components/Address.tsx
index ecfa211f..171284dc 100644
--- a/packages/extension-ui/src/components/Address.tsx
+++ b/packages/extension-ui/src/components/Address.tsx
@@ -5,7 +5,8 @@
 import { AccountJson } from '@polkadot/extension-base/background/types';
 import { Chain } from '@polkadot/extension-chains/types';
 
-import React, { useContext, useEffect, useRef, useState } from 'react';
+import React, { useCallback, useContext, useEffect, useRef, useState } from 'react';
+import CopyToClipboard from 'react-copy-to-clipboard';
 import styled from 'styled-components';
 import settings from '@polkadot/ui-settings';
 import { decodeAddress, encodeAddress } from '@polkadot/util-crypto';
@@ -13,11 +14,13 @@ import { decodeAddress, encodeAddress } from '@polkadot/util-crypto';
 import { AccountContext } from './contexts';
 import Identicon from './Identicon';
 import Svg from './Svg';
-import Menu from './Menu';
 
+import Menu from './Menu';
+import CopyImg from '../assets/copy.svg';
 import DetailsImg from '../assets/details.svg';
 import useOutsideClick from '../hooks/useOutsideClick';
 import useMetadata from '../hooks/useMetadata';
+import useToast from '../hooks/useToast';
 
 interface Props {
   address?: string | null;
@@ -69,6 +72,7 @@ function Address ({ actions, address, children, className, genesisHash, name }:
   const [showActionsMenu, setShowActionsMenu] = useState(false);
   const [moveMenuUp, setIsMovedMenu] = useState(false);
   const actionsRef = useRef<HTMLDivElement>(null);
+  const { show } = useToast();
 
   useOutsideClick(actionsRef, () => (showActionsMenu && setShowActionsMenu(!showActionsMenu)));
 
@@ -91,7 +95,8 @@ function Address ({ actions, address, children, className, genesisHash, name }:
   }, [showActionsMenu]);
 
   const theme = ((chain && chain.icon) || 'polkadot') as 'polkadot';
-  const _onClick = (): void => setShowActionsMenu(!showActionsMenu);
+  const _onClick = useCallback((): void => setShowActionsMenu(!showActionsMenu), [showActionsMenu]);
+  const _onCopy = useCallback((): void => show('Copied'), [show]);
 
   return (
     <div className={className}>
@@ -104,10 +109,18 @@ function Address ({ actions, address, children, className, genesisHash, name }:
           />
           <Info>
             <Name>{name || (account && account.name) || '<unknown>'}</Name>
-            <FullAddress>{formatted || '<unknown>'}</FullAddress>
-            {chain?.genesisHash && (
-              <Banner>{chain.name}</Banner>
-            )}
+            <CopyAddress>
+              <FullAddress>{formatted || '<unknown>'}</FullAddress>
+              {chain?.genesisHash && (
+                <Banner>{chain.name}</Banner>
+              )}
+              <CopyToClipboard text={(formatted && formatted) || ''} >
+                <Svg
+                  onClick={_onCopy}
+                  src={CopyImg}
+                />
+              </CopyToClipboard>
+            </CopyAddress>
           </Info>
           {actions && (
             <>
@@ -134,6 +147,22 @@ function Address ({ actions, address, children, className, genesisHash, name }:
   );
 }
 
+const CopyAddress = styled.div`
+  display: flex;
+  justify-content: space-between;
+
+  & ${Svg} {
+    width: 14px;
+    height: 14px;
+    margin-right: 10px;
+    background: ${({ theme }): string => theme.accountDotsIconColor};
+    &:hover {
+      background: ${({ theme }): string => theme.labelColor};
+      cursor: pointer;
+    }
+  }
+`;
+
 const AccountInfoRow = styled.div`
   display: flex;
   flex-direction: row;
@@ -158,7 +187,7 @@ const Name = styled.div`
 `;
 
 const FullAddress = styled.div`
-  width: 300px;
+  width: 270px;
   overflow: hidden;
   text-overflow: ellipsis;
   color: ${({ theme }): string => theme.labelColor};
diff --git a/packages/extension-ui/src/components/Toast/Toast.tsx b/packages/extension-ui/src/components/Toast/Toast.tsx
new file mode 100644
index 00000000..8c53a34c
--- /dev/null
+++ b/packages/extension-ui/src/components/Toast/Toast.tsx
@@ -0,0 +1,35 @@
+// Copyright 2019 @polkadot/extension-ui authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import React from 'react';
+import styled from 'styled-components';
+
+interface Props {
+  content: React.ReactChild;
+  className?: string;
+}
+
+function Toast ({ className, content }: Props): React.ReactElement<Props> {
+  return (
+    <div className={className}>
+      <p className='snackbar-content'>{content}</p>
+    </div>
+  );
+}
+
+export default styled(Toast)<{visible: boolean}>`
+  position: fixed;
+  display: ${({ visible }): string => visible ? 'block' : 'none'};
+  height: 40px;
+  text-align: center;
+  vertical-align: middle;
+  line-height: 7px;
+  top: 460px;
+  left: calc(50% - 50px);
+  && {
+    margin: auto;
+    border-radius: 25px;
+    background: ${({ theme }): string => theme.highlightedAreaBackground};
+  }
+`;
diff --git a/packages/extension-ui/src/components/Toast/ToastProvider.tsx b/packages/extension-ui/src/components/Toast/ToastProvider.tsx
new file mode 100644
index 00000000..a41c1727
--- /dev/null
+++ b/packages/extension-ui/src/components/Toast/ToastProvider.tsx
@@ -0,0 +1,41 @@
+// Copyright 2019 @polkadot/extension-ui authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import React, { useCallback, useState } from 'react';
+import { ToastContext } from '..';
+import Toast from './Toast';
+
+interface ToastProviderProps {
+  children?: React.ReactNode;
+}
+
+const TOAST_TIMEOUT = 1500;
+
+const ToastProvider = ({ children }: ToastProviderProps): React.ReactElement<ToastProviderProps> => {
+  const [content, setContent] = useState('');
+  const [visible, setVisible] = useState(false);
+
+  const show = useCallback((message: string): () => void => {
+    const timerId = setTimeout(() => setVisible(false), TOAST_TIMEOUT);
+
+    setContent(message);
+    setVisible(true);
+
+    return (): void => clearTimeout(timerId);
+  }, []);
+
+  return (
+    <ToastContext.Provider value={{ show }}>
+      {children}
+      <Toast
+        content={content}
+        visible={visible}
+      />
+    </ToastContext.Provider>
+  );
+};
+
+export default ToastProvider;
+
+ToastProvider.displayName = 'Toast';
diff --git a/packages/extension-ui/src/components/contexts.tsx b/packages/extension-ui/src/components/contexts.tsx
index 13a77653..428f00ed 100644
--- a/packages/extension-ui/src/components/contexts.tsx
+++ b/packages/extension-ui/src/components/contexts.tsx
@@ -17,6 +17,7 @@ const MediaContext = React.createContext<boolean>(false);
 const MetadataReqContext = React.createContext<MetadataRequest[]>([]);
 const SigningReqContext = React.createContext<SigningRequest[]>([]);
 const ThemeSwitchContext = React.createContext<(theme: AvailableThemes) => void>(noop);
+const ToastContext = React.createContext<({show: (message: string) => void})>({ show: noop });
 
 export {
   AccountContext,
@@ -25,5 +26,6 @@ export {
   MediaContext,
   MetadataReqContext,
   SigningReqContext,
-  ThemeSwitchContext
+  ThemeSwitchContext,
+  ToastContext
 };
diff --git a/packages/extension-ui/src/hooks/useToast.tsx b/packages/extension-ui/src/hooks/useToast.tsx
new file mode 100644
index 00000000..d82541c2
--- /dev/null
+++ b/packages/extension-ui/src/hooks/useToast.tsx
@@ -0,0 +1,10 @@
+// Copyright 2019 @polkadot/extension-ui authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+import { useContext } from 'react';
+import { ToastContext } from '../components/contexts';
+
+export default function useToast (): {show: (message: string) => void} {
+  return useContext(ToastContext);
+}
diff --git a/yarn.lock b/yarn.lock
index 900a0dc7..f39c045f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2917,6 +2917,7 @@ __metadata:
     "@types/bn.js": ^4.11.6
     "@types/enzyme": ^3.10.5
     "@types/enzyme-adapter-react-16": ^1.0.6
+    "@types/react-copy-to-clipboard": ^4.3.0
     "@types/react-dom": ^16.9.5
     "@types/react-router": ^5.1.4
     "@types/react-router-dom": ^5.1.3
@@ -3503,6 +3504,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/react-copy-to-clipboard@npm:^4.3.0":
+  version: 4.3.0
+  resolution: "@types/react-copy-to-clipboard@npm:4.3.0"
+  dependencies:
+    "@types/react": "*"
+  checksum: 2/09816ba8a92fefbcc62abd4eea27881804c3ad0b70b52dcaf6717087ed95533d2afdbda3c78d5e3c5c41ebce13b19ca99aa710f3db258db393c2eada59d19c83
+  languageName: node
+  linkType: hard
+
 "@types/react-dom@npm:^16.9.5":
   version: 16.9.6
   resolution: "@types/react-dom@npm:16.9.6"