diff --git a/src/app/components/BackupRestore.tsx b/src/app/components/BackupRestore.tsx
index 068f437b4..9f7dab4d5 100644
--- a/src/app/components/BackupRestore.tsx
+++ b/src/app/components/BackupRestore.tsx
@@ -178,6 +178,7 @@ export function BackupRestoreTile({ crypto }: BackupRestoreTileProps) {
           )}
           <IconButton
             aria-pressed={!!menuCords}
+            aria-label="Backup options"
             size="300"
             variant="Surface"
             radii="300"
diff --git a/src/app/components/Pdf-viewer/PdfViewer.tsx b/src/app/components/Pdf-viewer/PdfViewer.tsx
index 9c7fd9804..a94328951 100644
--- a/src/app/components/Pdf-viewer/PdfViewer.tsx
+++ b/src/app/components/Pdf-viewer/PdfViewer.tsx
@@ -108,7 +108,7 @@ export const PdfViewer = as<'div', PdfViewerProps>(
       <Box className={classNames(css.PdfViewer, className)} direction="Column" {...props} ref={ref}>
         <Header className={css.PdfViewerHeader} size="400">
           <Box grow="Yes" alignItems="Center" gap="200">
-            <IconButton size="300" radii="300" onClick={requestClose}>
+            <IconButton size="300" radii="300" onClick={requestClose} aria-label="Close">
               <Icon size="50" src={Icons.ArrowLeft} />
             </IconButton>
             <Text size="T300" truncate>
diff --git a/src/app/components/UIAFlowOverlay.tsx b/src/app/components/UIAFlowOverlay.tsx
index a2bdd1b87..b9a6aaf3b 100644
--- a/src/app/components/UIAFlowOverlay.tsx
+++ b/src/app/components/UIAFlowOverlay.tsx
@@ -55,6 +55,7 @@ export function UIAFlowOverlay({
                 <IconButton
                   ref={anchorRef}
                   variant="Critical"
+                  aria-label="Cancel authentication"
                   size="300"
                   onClick={onCancel}
                   radii="Pill"
diff --git a/src/app/components/image-editor/ImageEditor.tsx b/src/app/components/image-editor/ImageEditor.tsx
index 1ec474e8b..53e4662a4 100644
--- a/src/app/components/image-editor/ImageEditor.tsx
+++ b/src/app/components/image-editor/ImageEditor.tsx
@@ -24,7 +24,7 @@ export const ImageEditor = as<'div', ImageEditorProps>(
       >
         <Header className={css.ImageEditorHeader} size="400">
           <Box grow="Yes" alignItems="Center" gap="200">
-            <IconButton size="300" radii="300" onClick={requestClose}>
+            <IconButton size="300" radii="300" onClick={requestClose} aria-label="Close">
               <Icon size="50" src={Icons.ArrowLeft} />
             </IconButton>
             <Text size="T300" truncate>
diff --git a/src/app/components/image-viewer/ImageViewer.tsx b/src/app/components/image-viewer/ImageViewer.tsx
index 4956a7b6d..fae5b0b93 100644
--- a/src/app/components/image-viewer/ImageViewer.tsx
+++ b/src/app/components/image-viewer/ImageViewer.tsx
@@ -33,7 +33,7 @@ export const ImageViewer = as<'div', ImageViewerProps>(
       >
         <Header className={css.ImageViewerHeader} size="400">
           <Box grow="Yes" alignItems="Center" gap="200">
-            <IconButton size="300" radii="300" onClick={requestClose}>
+            <IconButton size="300" radii="300" onClick={requestClose} aria-label="Close">
               <Icon size="50" src={Icons.ArrowLeft} />
             </IconButton>
             <Text size="T300" truncate>
diff --git a/src/app/components/invite-user-prompt/InviteUserPrompt.tsx b/src/app/components/invite-user-prompt/InviteUserPrompt.tsx
index ddac0576c..586d2904d 100644
--- a/src/app/components/invite-user-prompt/InviteUserPrompt.tsx
+++ b/src/app/components/invite-user-prompt/InviteUserPrompt.tsx
@@ -173,7 +173,7 @@ export function InviteUserPrompt({ room, requestClose }: InviteUserProps) {
                   </Text>
                 </Box>
                 <Box shrink="No">
-                  <IconButton size="300" radii="300" onClick={requestClose}>
+                  <IconButton size="300" radii="300" onClick={requestClose} aria-label="Close">
                     <Icon src={Icons.Cross} />
                   </IconButton>
                 </Box>
diff --git a/src/app/components/join-address-prompt/JoinAddressPrompt.tsx b/src/app/components/join-address-prompt/JoinAddressPrompt.tsx
index 50a89418e..bceaa5543 100644
--- a/src/app/components/join-address-prompt/JoinAddressPrompt.tsx
+++ b/src/app/components/join-address-prompt/JoinAddressPrompt.tsx
@@ -82,7 +82,7 @@ export function JoinAddressPrompt({ onOpen, onCancel }: JoinAddressProps) {
               <Box grow="Yes">
                 <Text size="H4">Join with Address</Text>
               </Box>
-              <IconButton size="300" onClick={onCancel} radii="300">
+              <IconButton size="300" onClick={onCancel} radii="300" aria-label="Cancel">
                 <Icon src={Icons.Cross} />
               </IconButton>
             </Header>
diff --git a/src/app/components/leave-space-prompt/LeaveSpacePrompt.tsx b/src/app/components/leave-space-prompt/LeaveSpacePrompt.tsx
index 8709b942c..ee8deeeca 100644
--- a/src/app/components/leave-space-prompt/LeaveSpacePrompt.tsx
+++ b/src/app/components/leave-space-prompt/LeaveSpacePrompt.tsx
@@ -68,7 +68,7 @@ export function LeaveSpacePrompt({ roomId, onDone, onCancel }: LeaveSpacePromptP
               <Box grow="Yes">
                 <Text size="H4">Leave Space</Text>
               </Box>
-              <IconButton size="300" onClick={onCancel} radii="300">
+              <IconButton size="300" onClick={onCancel} radii="300" aria-label="Cancel">
                 <Icon src={Icons.Cross} />
               </IconButton>
             </Header>
diff --git a/src/app/components/text-viewer/TextViewer.tsx b/src/app/components/text-viewer/TextViewer.tsx
index ec4ed0a55..d7e1e8276 100644
--- a/src/app/components/text-viewer/TextViewer.tsx
+++ b/src/app/components/text-viewer/TextViewer.tsx
@@ -53,7 +53,7 @@ export const TextViewer = as<'div', TextViewerProps>(
       >
         <Header className={css.TextViewerHeader} size="400">
           <Box grow="Yes" alignItems="Center" gap="200">
-            <IconButton size="300" radii="300" onClick={requestClose}>
+            <IconButton size="300" radii="300" onClick={requestClose} aria-label="Close">
               <Icon size="50" src={Icons.ArrowLeft} />
             </IconButton>
             <Text size="T300" truncate>
diff --git a/src/app/components/url-preview/UrlPreviewCard.tsx b/src/app/components/url-preview/UrlPreviewCard.tsx
index 653129719..e6edde4cf 100644
--- a/src/app/components/url-preview/UrlPreviewCard.tsx
+++ b/src/app/components/url-preview/UrlPreviewCard.tsx
@@ -182,6 +182,7 @@ export const UrlPreviewHolder = as<'div'>(({ children, ...props }, ref) => {
               <div className={css.UrlPreviewHolderGradient({ position: 'Left' })} />
               <IconButton
                 className={css.UrlPreviewHolderBtn({ position: 'Left' })}
+                aria-label="Previous preview"
                 variant="Secondary"
                 radii="Pill"
                 size="300"
@@ -200,6 +201,7 @@ export const UrlPreviewHolder = as<'div'>(({ children, ...props }, ref) => {
                 <div className={css.UrlPreviewHolderGradient({ position: 'Right' })} />
                 <IconButton
                   className={css.UrlPreviewHolderBtn({ position: 'Right' })}
+                  aria-label="Next preview"
                   variant="Primary"
                   radii="Pill"
                   size="300"
diff --git a/src/app/components/user-profile/PowerChip.tsx b/src/app/components/user-profile/PowerChip.tsx
index a67583003..2c8bd196a 100644
--- a/src/app/components/user-profile/PowerChip.tsx
+++ b/src/app/components/user-profile/PowerChip.tsx
@@ -70,7 +70,7 @@ function SelfDemoteAlert({ power, onCancel, onChange }: SelfDemoteAlertProps) {
               <Box grow="Yes">
                 <Text size="H4">Self Demotion</Text>
               </Box>
-              <IconButton size="300" onClick={onCancel} radii="300">
+              <IconButton size="300" onClick={onCancel} radii="300" aria-label="Cancel">
                 <Icon src={Icons.Cross} />
               </IconButton>
             </Header>
diff --git a/src/app/features/add-existing/AddExisting.tsx b/src/app/features/add-existing/AddExisting.tsx
index d100096bc..8fb037aac 100644
--- a/src/app/features/add-existing/AddExisting.tsx
+++ b/src/app/features/add-existing/AddExisting.tsx
@@ -201,7 +201,7 @@ export function AddExistingModal({ parentId, space, requestClose }: AddExistingM
                   <Text size="H4">Add Existing</Text>
                 </Box>
                 <Box shrink="No">
-                  <IconButton size="300" radii="300" onClick={requestClose}>
+                  <IconButton size="300" radii="300" onClick={requestClose} aria-label="Close">
                     <Icon src={Icons.Cross} />
                   </IconButton>
                 </Box>
diff --git a/src/app/features/call-status/CallControl.tsx b/src/app/features/call-status/CallControl.tsx
index 7d0fb1e4a..475089df6 100644
--- a/src/app/features/call-status/CallControl.tsx
+++ b/src/app/features/call-status/CallControl.tsx
@@ -62,6 +62,7 @@ function SoundButton({ enabled, onToggle, disabled }: SoundButtonProps) {
           radii="300"
           size="300"
           onClick={() => onToggle()}
+          aria-label={enabled ? 'Undeafen' : 'Deafen'}
           outlined
           disabled={disabled}
         >
@@ -99,6 +100,7 @@ function VideoButton({ enabled, onToggle, disabled }: VideoButtonProps) {
           radii="300"
           size="300"
           onClick={() => onToggle()}
+          aria-label={enabled ? 'Stop Video' : 'Start Video'}
           outlined
           disabled={disabled}
         >
@@ -136,6 +138,7 @@ function ScreenShareButton({ enabled, onToggle, disabled }: ScreenShareButtonPro
           radii="300"
           size="300"
           onClick={onToggle}
+          aria-label={enabled ? 'Stop Screenshare' : 'Start Screenshare'}
           outlined
           disabled={disabled}
         >
diff --git a/src/app/features/call/Controls.tsx b/src/app/features/call/Controls.tsx
index 165f7e90c..4bcaf5c96 100644
--- a/src/app/features/call/Controls.tsx
+++ b/src/app/features/call/Controls.tsx
@@ -33,6 +33,7 @@ export function MicrophoneButton({ enabled, onToggle }: MicrophoneButtonProps) {
           radii="400"
           size="400"
           onClick={() => onToggle()}
+          aria-label={enabled ? 'Turn Off Microphone' : 'Turn On Microphone'}
           outlined
         >
           <Icon size="400" src={enabled ? Icons.Mic : Icons.MicMute} filled={!enabled} />
@@ -65,6 +66,7 @@ export function SoundButton({ enabled, onToggle }: SoundButtonProps) {
           radii="400"
           size="400"
           onClick={() => onToggle()}
+          aria-label={enabled ? 'Undeafen' : 'Deafen'}
           outlined
         >
           <Icon
@@ -142,6 +144,8 @@ export function ScreenShareButton({ enabled, onToggle }: ScreenShareButtonProps)
           radii="400"
           size="400"
           onClick={() => onToggle()}
+          aria-label={enabled ? 'Stop Video' : 'Start Video'}
+          aria-label={enabled ? 'Stop Screenshare' : 'Start Screenshare'}
           outlined
         >
           <Icon size="400" src={Icons.ScreenShare} filled={enabled} />
@@ -172,6 +176,8 @@ export function ChatButton() {
           radii="400"
           size="400"
           onClick={() => setChat(!chat)}
+          aria-label={chat ? 'Close Chat' : 'Open Chat'}
+          aria-pressed={chat}
           outlined
         >
           <Icon size="400" src={Icons.Message} filled={chat} />
diff --git a/src/app/features/common-settings/developer-tools/DevelopTools.tsx b/src/app/features/common-settings/developer-tools/DevelopTools.tsx
index 29b6aa51c..c5165e20a 100644
--- a/src/app/features/common-settings/developer-tools/DevelopTools.tsx
+++ b/src/app/features/common-settings/developer-tools/DevelopTools.tsx
@@ -92,7 +92,7 @@ export function DeveloperTools({ requestClose }: DeveloperToolsProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/common-settings/developer-tools/SendRoomEvent.tsx b/src/app/features/common-settings/developer-tools/SendRoomEvent.tsx
index f25ba7c36..4b28c95d9 100644
--- a/src/app/features/common-settings/developer-tools/SendRoomEvent.tsx
+++ b/src/app/features/common-settings/developer-tools/SendRoomEvent.tsx
@@ -118,7 +118,7 @@ export function SendRoomEvent({ type, stateKey, requestClose }: SendRoomEventPro
             </Chip>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/common-settings/developer-tools/StateEventEditor.tsx b/src/app/features/common-settings/developer-tools/StateEventEditor.tsx
index 0ea96901c..eaec74f37 100644
--- a/src/app/features/common-settings/developer-tools/StateEventEditor.tsx
+++ b/src/app/features/common-settings/developer-tools/StateEventEditor.tsx
@@ -275,7 +275,7 @@ export function StateEventEditor({ type, stateKey, requestClose }: StateEventEdi
             </Chip>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/common-settings/emojis-stickers/EmojisStickers.tsx b/src/app/features/common-settings/emojis-stickers/EmojisStickers.tsx
index ad8ffae68..c5250c5c4 100644
--- a/src/app/features/common-settings/emojis-stickers/EmojisStickers.tsx
+++ b/src/app/features/common-settings/emojis-stickers/EmojisStickers.tsx
@@ -29,7 +29,7 @@ export function EmojisStickers({ requestClose }: EmojisStickersProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/common-settings/emojis-stickers/RoomPacks.tsx b/src/app/features/common-settings/emojis-stickers/RoomPacks.tsx
index fdbe546ee..d70f699a2 100644
--- a/src/app/features/common-settings/emojis-stickers/RoomPacks.tsx
+++ b/src/app/features/common-settings/emojis-stickers/RoomPacks.tsx
@@ -218,6 +218,7 @@ export function RoomPacks({ onViewPack }: RoomPacksProps) {
                     size="300"
                     radii="Pill"
                     variant="Critical"
+                    aria-label="Undo remove pack"
                     onClick={() => handleUndoRemove(address)}
                     disabled={applyingChanges}
                   >
@@ -228,6 +229,7 @@ export function RoomPacks({ onViewPack }: RoomPacksProps) {
                     size="300"
                     radii="Pill"
                     variant="Secondary"
+                    aria-label="Remove pack"
                     onClick={() => handleRemove(address)}
                     disabled={applyingChanges}
                   >
diff --git a/src/app/features/common-settings/members/Members.tsx b/src/app/features/common-settings/members/Members.tsx
index 15cd1d08b..9bb2a8f18 100644
--- a/src/app/features/common-settings/members/Members.tsx
+++ b/src/app/features/common-settings/members/Members.tsx
@@ -161,7 +161,7 @@ export function Members({ requestClose }: MembersProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
@@ -278,6 +278,7 @@ export function Members({ requestClose }: MembersProps) {
               >
                 <IconButton
                   onClick={() => virtualizer.scrollToOffset(0)}
+                  aria-label="Scroll to top"
                   variant="Surface"
                   radii="Pill"
                   outlined
diff --git a/src/app/features/common-settings/permissions/PowersEditor.tsx b/src/app/features/common-settings/permissions/PowersEditor.tsx
index 973059469..66791b99b 100644
--- a/src/app/features/common-settings/permissions/PowersEditor.tsx
+++ b/src/app/features/common-settings/permissions/PowersEditor.tsx
@@ -369,7 +369,7 @@ export function PowersEditor({ powerLevels, requestClose }: PowersEditorProps) {
             </Chip>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/create-room/CreateRoomModal.tsx b/src/app/features/create-room/CreateRoomModal.tsx
index d5d8c92da..4dd215e6a 100644
--- a/src/app/features/create-room/CreateRoomModal.tsx
+++ b/src/app/features/create-room/CreateRoomModal.tsx
@@ -63,7 +63,7 @@ function CreateRoomModal({ state }: CreateRoomModalProps) {
                     </Text>
                   </Box>
                   <Box shrink="No">
-                    <IconButton size="300" radii="300" onClick={closeDialog}>
+                    <IconButton size="300" radii="300" onClick={closeDialog} aria-label="Close">
                       <Icon src={Icons.Cross} />
                     </IconButton>
                   </Box>
diff --git a/src/app/features/create-space/CreateSpaceModal.tsx b/src/app/features/create-space/CreateSpaceModal.tsx
index c1bc6898f..10a26a9de 100644
--- a/src/app/features/create-space/CreateSpaceModal.tsx
+++ b/src/app/features/create-space/CreateSpaceModal.tsx
@@ -61,7 +61,7 @@ function CreateSpaceModal({ state }: CreateSpaceModalProps) {
                     <Text size="H4">New Space</Text>
                   </Box>
                   <Box shrink="No">
-                    <IconButton size="300" radii="300" onClick={closeDialog}>
+                    <IconButton size="300" radii="300" onClick={closeDialog} aria-label="Close">
                       <Icon src={Icons.Cross} />
                     </IconButton>
                   </Box>
diff --git a/src/app/features/join-before-navigate/JoinBeforeNavigate.tsx b/src/app/features/join-before-navigate/JoinBeforeNavigate.tsx
index 028cd560e..b0e8aacb1 100644
--- a/src/app/features/join-before-navigate/JoinBeforeNavigate.tsx
+++ b/src/app/features/join-before-navigate/JoinBeforeNavigate.tsx
@@ -38,7 +38,7 @@ export function JoinBeforeNavigate({
             {screenSize === ScreenSize.Mobile && (
               <BackRouteHandler>
                 {(onBack) => (
-                  <IconButton onClick={onBack}>
+                  <IconButton onClick={onBack} aria-label="Back">
                     <Icon src={Icons.ArrowLeft} />
                   </IconButton>
                 )}
diff --git a/src/app/features/lobby/Lobby.tsx b/src/app/features/lobby/Lobby.tsx
index 4b19e5163..0e3c79141 100644
--- a/src/app/features/lobby/Lobby.tsx
+++ b/src/app/features/lobby/Lobby.tsx
@@ -446,6 +446,7 @@ export function Lobby() {
                   >
                     <IconButton
                       onClick={() => virtualizer.scrollToOffset(0)}
+                      aria-label="Scroll to top"
                       variant="SurfaceVariant"
                       radii="Pill"
                       outlined
diff --git a/src/app/features/lobby/LobbyHeader.tsx b/src/app/features/lobby/LobbyHeader.tsx
index ed526c685..941a75b36 100644
--- a/src/app/features/lobby/LobbyHeader.tsx
+++ b/src/app/features/lobby/LobbyHeader.tsx
@@ -165,7 +165,7 @@ export function LobbyHeader({ showProfile, powerLevels }: LobbyHeaderProps) {
             <Box shrink="No">
               <BackRouteHandler>
                 {(onBack) => (
-                  <IconButton fill="None" onClick={onBack}>
+                  <IconButton fill="None" onClick={onBack} aria-label="Back">
                     <Icon src={Icons.ArrowLeft} />
                   </IconButton>
                 )}
@@ -221,6 +221,7 @@ export function LobbyHeader({ showProfile, powerLevels }: LobbyHeaderProps) {
                 <IconButton
                   fill="None"
                   ref={triggerRef}
+                  aria-label="Toggle member list"
                   onClick={() => setPeopleDrawer((drawer) => !drawer)}
                 >
                   <Icon size="400" src={Icons.User} />
diff --git a/src/app/features/room-settings/RoomSettings.tsx b/src/app/features/room-settings/RoomSettings.tsx
index 8601c365c..9b83d7721 100644
--- a/src/app/features/room-settings/RoomSettings.tsx
+++ b/src/app/features/room-settings/RoomSettings.tsx
@@ -117,7 +117,7 @@ export function RoomSettings({ initialPage, requestClose }: RoomSettingsProps) {
               </Box>
               <Box shrink="No">
                 {screenSize === ScreenSize.Mobile && (
-                  <IconButton onClick={requestClose} variant="Background">
+                  <IconButton onClick={requestClose} variant="Background" aria-label="Close settings">
                     <Icon src={Icons.Cross} />
                   </IconButton>
                 )}
diff --git a/src/app/features/room-settings/general/General.tsx b/src/app/features/room-settings/general/General.tsx
index 151573043..62916bc41 100644
--- a/src/app/features/room-settings/general/General.tsx
+++ b/src/app/features/room-settings/general/General.tsx
@@ -35,7 +35,7 @@ export function General({ requestClose }: GeneralProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/room-settings/permissions/Permissions.tsx b/src/app/features/room-settings/permissions/Permissions.tsx
index 7572a71bf..83c75791c 100644
--- a/src/app/features/room-settings/permissions/Permissions.tsx
+++ b/src/app/features/room-settings/permissions/Permissions.tsx
@@ -45,7 +45,7 @@ export function Permissions({ requestClose }: PermissionsProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/room/CallChatView.tsx b/src/app/features/room/CallChatView.tsx
index 6c32f4a0b..935151246 100644
--- a/src/app/features/room/CallChatView.tsx
+++ b/src/app/features/room/CallChatView.tsx
@@ -41,7 +41,7 @@ export function CallChatView() {
               }
             >
               {(triggerRef) => (
-                <IconButton ref={triggerRef} variant="Surface" onClick={handleClose}>
+                <IconButton ref={triggerRef} variant="Surface" onClick={handleClose} aria-label="Close call chat">
                   <Icon src={Icons.Cross} />
                 </IconButton>
               )}
diff --git a/src/app/features/room/MembersDrawer.tsx b/src/app/features/room/MembersDrawer.tsx
index d9205076b..85a265e5a 100644
--- a/src/app/features/room/MembersDrawer.tsx
+++ b/src/app/features/room/MembersDrawer.tsx
@@ -89,6 +89,7 @@ function MemberDrawerHeader({ room }: MemberDrawerHeaderProps) {
               <IconButton
                 ref={triggerRef}
                 variant="Background"
+                aria-label="Close member list"
                 onClick={() => setPeopleDrawer(false)}
               >
                 <Icon src={Icons.Cross} />
@@ -360,6 +361,7 @@ export function MembersDrawer({ room, members }: MembersDrawerProps) {
             <ScrollTopContainer scrollRef={scrollRef} anchorRef={scrollTopAnchorRef}>
               <IconButton
                 onClick={() => virtualizer.scrollToOffset(0)}
+                aria-label="Scroll to top"
                 variant="Surface"
                 radii="Pill"
                 outlined
diff --git a/src/app/features/room/RoomInput.tsx b/src/app/features/room/RoomInput.tsx
index 483b6950e..4aacf392d 100644
--- a/src/app/features/room/RoomInput.tsx
+++ b/src/app/features/room/RoomInput.tsx
@@ -629,6 +629,7 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
                 >
                   <IconButton
                     onClick={() => setReplyDraft(undefined)}
+                    aria-label="Dismiss reply"
                     variant="SurfaceVariant"
                     size="300"
                     radii="300"
@@ -661,6 +662,7 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
           before={
             <IconButton
               onClick={() => pickFile('*')}
+              aria-label="Attach file"
               variant="SurfaceVariant"
               size="300"
               radii="300"
@@ -674,6 +676,8 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
                 variant="SurfaceVariant"
                 size="300"
                 radii="300"
+                aria-label={toolbar ? 'Hide formatting toolbar' : 'Show formatting toolbar'}
+                aria-pressed={toolbar}
                 onClick={() => setToolbar(!toolbar)}
               >
                 <Icon src={toolbar ? Icons.AlphabetUnderline : Icons.Alphabet} />
@@ -714,6 +718,7 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
                     {!hideStickerBtn && (
                       <IconButton
                         aria-pressed={emojiBoardTab === EmojiBoardTab.Sticker}
+                        aria-label="Insert sticker"
                         onClick={() => setEmojiBoardTab(EmojiBoardTab.Sticker)}
                         variant="SurfaceVariant"
                         size="300"
@@ -727,6 +732,7 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
                     )}
                     <IconButton
                       ref={emojiBtnRef}
+                      aria-label="Insert emoji"
                       aria-pressed={
                         hideStickerBtn ? !!emojiBoardTab : emojiBoardTab === EmojiBoardTab.Emoji
                       }
@@ -768,6 +774,7 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
                     >
                       <IconButton
                         ref={gifBtnRef}
+                        aria-label="Insert GIF"
                         aria-pressed={gifOpen}
                         onClick={() => setGifOpen(!gifOpen)}
                         variant="SurfaceVariant"
@@ -797,6 +804,7 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
               )}
               <IconButton
                 onClick={handleShareLocation}
+                aria-label="Share location"
                 variant="SurfaceVariant"
                 size="300"
                 radii="300"
diff --git a/src/app/features/room/RoomViewHeader.tsx b/src/app/features/room/RoomViewHeader.tsx
index b40c108b4..50f0e150c 100644
--- a/src/app/features/room/RoomViewHeader.tsx
+++ b/src/app/features/room/RoomViewHeader.tsx
@@ -340,6 +340,7 @@ function CallButton() {
             variant="Surface"
             fill="None"
             ref={triggerRef}
+            aria-label="Start call"
             onClick={handleOpenMenu}
             onContextMenu={(evt) => {
               evt.preventDefault();
@@ -456,7 +457,7 @@ export function RoomViewHeader({ callView }: { callView?: boolean }) {
           <BackRouteHandler>
             {(onBack) => (
               <Box shrink="No" alignItems="Center">
-                <IconButton fill="None" onClick={onBack}>
+                <IconButton fill="None" onClick={onBack} aria-label="Back">
                   <Icon src={Icons.ArrowLeft} />
                 </IconButton>
               </Box>
@@ -615,7 +616,7 @@ export function RoomViewHeader({ callView }: { callView?: boolean }) {
               }
             >
               {(triggerRef) => (
-                <IconButton fill="None" ref={triggerRef} onClick={handleMemberToggle}>
+                <IconButton fill="None" ref={triggerRef} onClick={handleMemberToggle} aria-label="Toggle member list">
                   <Icon size="400" src={Icons.User} />
                 </IconButton>
               )}
diff --git a/src/app/features/room/jump-to-time/JumpToTime.tsx b/src/app/features/room/jump-to-time/JumpToTime.tsx
index 223c6cf69..a9c041c91 100644
--- a/src/app/features/room/jump-to-time/JumpToTime.tsx
+++ b/src/app/features/room/jump-to-time/JumpToTime.tsx
@@ -108,7 +108,7 @@ export function JumpToTime({ onCancel, onSubmit }: JumpToTimeProps) {
               <Box grow="Yes">
                 <Text size="H4">Jump to Time</Text>
               </Box>
-              <IconButton size="300" onClick={onCancel} radii="300">
+              <IconButton size="300" onClick={onCancel} radii="300" aria-label="Cancel">
                 <Icon src={Icons.Cross} />
               </IconButton>
             </Header>
diff --git a/src/app/features/room/reaction-viewer/ReactionViewer.tsx b/src/app/features/room/reaction-viewer/ReactionViewer.tsx
index 6c686bc56..8546dd67b 100644
--- a/src/app/features/room/reaction-viewer/ReactionViewer.tsx
+++ b/src/app/features/room/reaction-viewer/ReactionViewer.tsx
@@ -100,7 +100,7 @@ export const ReactionViewer = as<'div', ReactionViewerProps>(
             <Box grow="Yes">
               <Text size="H3" truncate>{`Reacted with :${selectedShortcode}:`}</Text>
             </Box>
-            <IconButton size="300" onClick={requestClose}>
+            <IconButton size="300" onClick={requestClose} aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Header>
diff --git a/src/app/features/room/room-pin-menu/RoomPinMenu.tsx b/src/app/features/room/room-pin-menu/RoomPinMenu.tsx
index 9986849f4..362caac97 100644
--- a/src/app/features/room/room-pin-menu/RoomPinMenu.tsx
+++ b/src/app/features/room/room-pin-menu/RoomPinMenu.tsx
@@ -146,6 +146,7 @@ function PinnedMessage({
       </Chip>
       {canPinEvent && (
         <IconButton
+          aria-label="Pinned messages"
           data-event-id={eventId}
           variant="Secondary"
           size="300"
@@ -457,7 +458,7 @@ export const RoomPinMenu = forwardRef<HTMLDivElement, RoomPinMenuProps>(
               <Text size="H5">Pinned Messages</Text>
             </Box>
             <Box shrink="No">
-              <IconButton size="300" onClick={requestClose} radii="300">
+              <IconButton size="300" onClick={requestClose} radii="300" aria-label="Close">
                 <Icon src={Icons.Cross} size="400" />
               </IconButton>
             </Box>
diff --git a/src/app/features/space-settings/SpaceSettings.tsx b/src/app/features/space-settings/SpaceSettings.tsx
index b5fefc937..de93ba025 100644
--- a/src/app/features/space-settings/SpaceSettings.tsx
+++ b/src/app/features/space-settings/SpaceSettings.tsx
@@ -117,7 +117,7 @@ export function SpaceSettings({ initialPage, requestClose }: SpaceSettingsProps)
               </Box>
               <Box shrink="No">
                 {screenSize === ScreenSize.Mobile && (
-                  <IconButton onClick={requestClose} variant="Background">
+                  <IconButton onClick={requestClose} variant="Background" aria-label="Close settings">
                     <Icon src={Icons.Cross} />
                   </IconButton>
                 )}
diff --git a/src/app/features/space-settings/general/General.tsx b/src/app/features/space-settings/general/General.tsx
index 720406321..934858a80 100644
--- a/src/app/features/space-settings/general/General.tsx
+++ b/src/app/features/space-settings/general/General.tsx
@@ -33,7 +33,7 @@ export function General({ requestClose }: GeneralProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/features/space-settings/permissions/Permissions.tsx b/src/app/features/space-settings/permissions/Permissions.tsx
index 7572a71bf..83c75791c 100644
--- a/src/app/features/space-settings/permissions/Permissions.tsx
+++ b/src/app/features/space-settings/permissions/Permissions.tsx
@@ -45,7 +45,7 @@ export function Permissions({ requestClose }: PermissionsProps) {
             </Text>
           </Box>
           <Box shrink="No">
-            <IconButton onClick={requestClose} variant="Surface">
+            <IconButton onClick={requestClose} variant="Surface" aria-label="Close">
               <Icon src={Icons.Cross} />
             </IconButton>
           </Box>
diff --git a/src/app/pages/auth/ServerPicker.tsx b/src/app/pages/auth/ServerPicker.tsx
index a2a78106c..1176b5230 100644
--- a/src/app/pages/auth/ServerPicker.tsx
+++ b/src/app/pages/auth/ServerPicker.tsx
@@ -130,6 +130,7 @@ export function ServerPicker({
           >
             <IconButton
               onClick={handleOpenServerMenu}
+              aria-label="Change server"
               variant={allowCustomServer ? 'Background' : 'Surface'}
               size="300"
               aria-pressed={!!serverMenuAnchor}