diff --git a/packages/tldraw/src/components/Primitives/AlertDialog/AlertDialog.tsx b/packages/tldraw/src/components/Primitives/AlertDialog/AlertDialog.tsx
index 10658cd5f..ee3f39425 100644
--- a/packages/tldraw/src/components/Primitives/AlertDialog/AlertDialog.tsx
+++ b/packages/tldraw/src/components/Primitives/AlertDialog/AlertDialog.tsx
@@ -144,7 +144,7 @@ const StyledContent = styled(AlertDialogPrimitive.Content, {
   boxShadow: '$panel',
 })
 
-const Button = styled('button', {
+export const Button = styled('button', {
   all: 'unset',
   display: 'inline-flex',
   alignItems: 'center',
diff --git a/packages/tldraw/src/components/Primitives/AlertDialog/FilenameDialog.tsx b/packages/tldraw/src/components/Primitives/AlertDialog/FilenameDialog.tsx
new file mode 100644
index 000000000..d06092da5
--- /dev/null
+++ b/packages/tldraw/src/components/Primitives/AlertDialog/FilenameDialog.tsx
@@ -0,0 +1,120 @@
+import * as Dialog from '@radix-ui/react-alert-dialog'
+import { Pencil1Icon } from '@radix-ui/react-icons'
+import * as React from 'react'
+import { FormattedMessage, useIntl } from 'react-intl'
+import { useContainer, useTldrawApp } from '~hooks'
+import { styled } from '~styles'
+import { TextField } from '../TextField'
+import { Button } from './AlertDialog'
+
+interface FilenameDialogProps {
+  isOpen: boolean
+  onClose: () => void
+}
+
+export const FilenameDialog = ({ isOpen, onClose }: FilenameDialogProps) => {
+  const app = useTldrawApp()
+  const container = useContainer()
+  const intl = useIntl()
+  const [filename, setFilename] = React.useState(app.document.name)
+
+  const handleChange = React.useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
+    const value = event.target.value.trimStart()
+    setFilename(value)
+  }, [])
+
+  function stopPropagation(e: React.KeyboardEvent<HTMLDivElement>) {
+    e.stopPropagation()
+  }
+
+  const handleTextFieldKeyDown = React.useCallback((e: React.KeyboardEvent<HTMLInputElement>) => {
+    switch (e.key) {
+      case 'Enter': {
+        app.saveProjectAs(filename)
+        onClose()
+        break
+      }
+      case 'Escape': {
+        onClose()
+        break
+      }
+    }
+  }, [])
+
+  return (
+    <Dialog.Root open={isOpen}>
+      <Dialog.Portal container={container.current}>
+        <StyledDialogOverlay onPointerDown={onClose} />
+        <StyledDialogContent dir="ltr" onKeyDown={stopPropagation} onKeyUp={stopPropagation}>
+          <Input
+            placeholder={intl.formatMessage({ id: 'enter.file.name' })}
+            value={filename}
+            onChange={handleChange}
+            onKeyDown={handleTextFieldKeyDown}
+            icon={<Pencil1Icon />}
+          />
+          <ActionWrapper>
+            <Dialog.Action asChild>
+              <Button onClick={onClose}>
+                <FormattedMessage id="cancel" />
+              </Button>
+            </Dialog.Action>
+            <Dialog.Action asChild>
+              <Button
+                css={{ backgroundColor: '#2F80ED', color: 'White' }}
+                onClick={() => {
+                  // Remove the file extension if the user entered it
+                  const name = filename.trim().replace(/\.tldr$/, '')
+                  app.saveProjectAs(name)
+                  onClose()
+                }}
+              >
+                <FormattedMessage id="save" />
+              </Button>
+            </Dialog.Action>
+          </ActionWrapper>
+        </StyledDialogContent>
+      </Dialog.Portal>
+    </Dialog.Root>
+  )
+}
+const StyledDialogContent = styled(Dialog.Content, {
+  position: 'absolute',
+  top: '50%',
+  left: '50%',
+  transform: 'translate(-50%, -50%)',
+  minWidth: 300,
+  maxWidth: 'fit-content',
+  maxHeight: '85vh',
+  marginTop: '-5vh',
+  pointerEvents: 'all',
+  backgroundColor: '$panel',
+  padding: '$3',
+  borderRadius: '$2',
+  font: '$ui',
+  zIndex: 999999,
+  '&:focus': {
+    outline: 'none',
+  },
+})
+
+const StyledDialogOverlay = styled(Dialog.Overlay, {
+  backgroundColor: 'rgba(0, 0, 0, .15)',
+  position: 'absolute',
+  pointerEvents: 'all',
+  inset: 0,
+  zIndex: 999998,
+})
+
+const ActionWrapper = styled('div', {
+  width: '100%',
+  display: 'flex',
+  alignItems: 'center',
+  gap: 8,
+  justifyContent: 'flex-end',
+  marginTop: 10,
+})
+
+const Input = styled(TextField, {
+  background: '$hover',
+})
diff --git a/packages/tldraw/src/components/Primitives/AlertDialog/index.ts b/packages/tldraw/src/components/Primitives/AlertDialog/index.ts
index 697b6b489..ca1d3eb9c 100644
--- a/packages/tldraw/src/components/Primitives/AlertDialog/index.ts
+++ b/packages/tldraw/src/components/Primitives/AlertDialog/index.ts
@@ -1,2 +1,3 @@
 export * from './AlertDialog'
+export * from './FilenameDialog'
 export * from './Alert'
diff --git a/packages/tldraw/src/components/TopPanel/Menu/Menu.tsx b/packages/tldraw/src/components/TopPanel/Menu/Menu.tsx
index 7f7bb7d23..4bcd9820f 100644
--- a/packages/tldraw/src/components/TopPanel/Menu/Menu.tsx
+++ b/packages/tldraw/src/components/TopPanel/Menu/Menu.tsx
@@ -1,7 +1,9 @@
 import * as DropdownMenu from '@radix-ui/react-dropdown-menu'
 import { HamburgerMenuIcon } from '@radix-ui/react-icons'
+import { supported } from 'browser-fs-access'
 import * as React from 'react'
 import { FormattedMessage, useIntl } from 'react-intl'
+import { FilenameDialog } from '~components/Primitives/AlertDialog'
 import { Divider } from '~components/Primitives/Divider'
 import { DMContent, DMItem, DMSubMenu, DMTriggerIcon } from '~components/Primitives/DropdownMenu'
 import { preventEvent } from '~components/preventEvent'
@@ -25,6 +27,7 @@ const disableAssetsSelector = (s: TDSnapshot) => {
 export const Menu = React.memo(function Menu({ readOnly }: MenuProps) {
   const app = useTldrawApp()
   const intl = useIntl()
+  const [openDialog, setOpenDialog] = React.useState(false)
 
   const numberOfSelectedIds = app.useStore(numberOfSelectedIdsSelector)
 
@@ -36,6 +39,14 @@ export const Menu = React.memo(function Menu({ readOnly }: MenuProps) {
 
   const { onNewProject, onOpenProject, onSaveProject, onSaveProjectAs } = useFileSystemHandlers()
 
+  const handleSaveProjectAs = React.useCallback(() => {
+    if (!supported) {
+      setOpenDialog(true)
+    } else {
+      app.saveProjectAs()
+    }
+  }, [app])
+
   const handleDelete = React.useCallback(() => {
     app.delete()
   }, [app])
@@ -110,203 +121,214 @@ export const Menu = React.memo(function Menu({ readOnly }: MenuProps) {
   const hasSelection = numberOfSelectedIds > 0
 
   return (
-    <DropdownMenu.Root dir="ltr">
-      <DMTriggerIcon id="TD-MenuIcon">
-        <HamburgerMenuIcon />
-      </DMTriggerIcon>
-      <DMContent
-        variant="menu"
-        id="TD-Menu"
-        side="bottom"
-        align="start"
-        sideOffset={4}
-        alignOffset={4}
-      >
-        {showFileMenu && (
-          <DMSubMenu label={`${intl.formatMessage({ id: 'menu.file' })}...`} id="TD-MenuItem-File">
-            {app.callbacks.onNewProject && (
-              <DMItem onClick={onNewProject} kbd="#N" id="TD-MenuItem-File-New_Project">
-                <FormattedMessage id="new.project" />
-              </DMItem>
-            )}
-            {app.callbacks.onOpenProject && (
-              <DMItem onClick={onOpenProject} kbd="#O" id="TD-MenuItem-File-Open">
-                <FormattedMessage id="open" />
-                ...
-              </DMItem>
-            )}
-            {app.callbacks.onSaveProject && (
-              <DMItem onClick={onSaveProject} kbd="#S" id="TD-MenuItem-File-Save">
-                <FormattedMessage id="save" />
-              </DMItem>
-            )}
-            {app.callbacks.onSaveProjectAs && (
-              <DMItem onClick={onSaveProjectAs} kbd="#⇧S" id="TD-MenuItem-File-Save_As">
-                <FormattedMessage id="save.as" />
-                ...
-              </DMItem>
-            )}
-            {!disableAssets && (
-              <>
-                <Divider />
-                <DMItem onClick={handleUploadMedia} kbd="#U" id="TD-MenuItem-File-Upload_Media">
-                  <FormattedMessage id="upload.media" />
+    <>
+      <DropdownMenu.Root dir="ltr">
+        <DMTriggerIcon id="TD-MenuIcon">
+          <HamburgerMenuIcon />
+        </DMTriggerIcon>
+        <DMContent
+          variant="menu"
+          id="TD-Menu"
+          side="bottom"
+          align="start"
+          sideOffset={4}
+          alignOffset={4}
+        >
+          {showFileMenu && (
+            <DMSubMenu
+              label={`${intl.formatMessage({ id: 'menu.file' })}...`}
+              id="TD-MenuItem-File"
+            >
+              {app.callbacks.onNewProject && (
+                <DMItem onClick={onNewProject} kbd="#N" id="TD-MenuItem-File-New_Project">
+                  <FormattedMessage id="new.project" />
                 </DMItem>
-              </>
-            )}
-          </DMSubMenu>
-        )}
-        <DMSubMenu label={`${intl.formatMessage({ id: 'menu.edit' })}...`} id="TD-MenuItem-Edit">
-          <DMItem
-            onSelect={preventEvent}
-            onClick={app.undo}
-            disabled={readOnly}
-            kbd="#Z"
-            id="TD-MenuItem-Edit-Undo"
-          >
-            <FormattedMessage id="undo" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            onClick={app.redo}
-            disabled={readOnly}
-            kbd="#⇧Z"
-            id="TD-MenuItem-Edit-Redo"
-          >
-            <FormattedMessage id="redo" />
-          </DMItem>
-          <Divider />
-          <DMItem
-            onSelect={preventEvent}
-            disabled={!hasSelection || readOnly}
-            onClick={handleCut}
-            kbd="#X"
-            id="TD-MenuItem-Edit-Cut"
-          >
-            <FormattedMessage id="cut" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            disabled={!hasSelection}
-            onClick={handleCopy}
-            kbd="#C"
-            id="TD-MenuItem-Edit-Copy"
-          >
-            <FormattedMessage id="copy" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            onClick={handlePaste}
-            kbd="#V"
-            id="TD-MenuItem-Edit-Paste"
-          >
-            <FormattedMessage id="paste" />
-          </DMItem>
-          <Divider />
-          <DMSubMenu
-            label={`${intl.formatMessage({ id: 'copy.as' })}...`}
-            size="small"
-            id="TD-MenuItem-Copy-As"
-          >
-            <DMItem onClick={handleCopySVG} id="TD-MenuItem-Copy-as-SVG">
-              SVG
+              )}
+              {app.callbacks.onOpenProject && (
+                <DMItem onClick={onOpenProject} kbd="#O" id="TD-MenuItem-File-Open">
+                  <FormattedMessage id="open" />
+                  ...
+                </DMItem>
+              )}
+              {app.callbacks.onSaveProject && (
+                <DMItem onClick={onSaveProject} kbd="#S" id="TD-MenuItem-File-Save">
+                  <FormattedMessage id="save" />
+                </DMItem>
+              )}
+              {app.callbacks.onSaveProjectAs && (
+                <DMItem onClick={handleSaveProjectAs} kbd="#⇧S" id="TD-MenuItem-File-Save_As">
+                  <FormattedMessage id="save.as" />
+                  ...
+                </DMItem>
+              )}
+              {!disableAssets && (
+                <>
+                  <Divider />
+                  <DMItem onClick={handleUploadMedia} kbd="#U" id="TD-MenuItem-File-Upload_Media">
+                    <FormattedMessage id="upload.media" />
+                  </DMItem>
+                </>
+              )}
+            </DMSubMenu>
+          )}
+          <DMSubMenu label={`${intl.formatMessage({ id: 'menu.edit' })}...`} id="TD-MenuItem-Edit">
+            <DMItem
+              onSelect={preventEvent}
+              onClick={app.undo}
+              disabled={readOnly}
+              kbd="#Z"
+              id="TD-MenuItem-Edit-Undo"
+            >
+              <FormattedMessage id="undo" />
             </DMItem>
-            <DMItem onClick={handleCopyPNG} id="TD-MenuItem-Copy-As-PNG">
-              PNG
+            <DMItem
+              onSelect={preventEvent}
+              onClick={app.redo}
+              disabled={readOnly}
+              kbd="#⇧Z"
+              id="TD-MenuItem-Edit-Redo"
+            >
+              <FormattedMessage id="redo" />
             </DMItem>
-            <DMItem onClick={handleCopyJSON} id="TD-MenuItem-Copy_as_JSON">
-              JSON
+            <Divider />
+            <DMItem
+              onSelect={preventEvent}
+              disabled={!hasSelection || readOnly}
+              onClick={handleCut}
+              kbd="#X"
+              id="TD-MenuItem-Edit-Cut"
+            >
+              <FormattedMessage id="cut" />
             </DMItem>
-          </DMSubMenu>
-          <DMSubMenu
-            label={`${intl.formatMessage({ id: 'export.as' })}...`}
-            size="small"
-            id="TD-MenuItem-Export"
-          >
-            <DMItem onClick={handleExportSVG} id="TD-MenuItem-Export-SVG">
-              SVG
+            <DMItem
+              onSelect={preventEvent}
+              disabled={!hasSelection}
+              onClick={handleCopy}
+              kbd="#C"
+              id="TD-MenuItem-Edit-Copy"
+            >
+              <FormattedMessage id="copy" />
             </DMItem>
-            <DMItem onClick={handleExportPNG} id="TD-MenuItem-Export-PNG">
-              PNG
+            <DMItem
+              onSelect={preventEvent}
+              onClick={handlePaste}
+              kbd="#V"
+              id="TD-MenuItem-Edit-Paste"
+            >
+              <FormattedMessage id="paste" />
             </DMItem>
-            <DMItem onClick={handleExportJPG} id="TD-MenuItem-Export-JPG">
-              JPG
-            </DMItem>
-            <DMItem onClick={handleExportWEBP} id="TD-MenuItem-Export-WEBP">
-              WEBP
-            </DMItem>
-            <DMItem onClick={handleExportJSON} id="TD-MenuItem-Export-JSON">
-              JSON
-            </DMItem>
-          </DMSubMenu>
+            <Divider />
+            <DMSubMenu
+              label={`${intl.formatMessage({ id: 'copy.as' })}...`}
+              size="small"
+              id="TD-MenuItem-Copy-As"
+            >
+              <DMItem onClick={handleCopySVG} id="TD-MenuItem-Copy-as-SVG">
+                SVG
+              </DMItem>
+              <DMItem onClick={handleCopyPNG} id="TD-MenuItem-Copy-As-PNG">
+                PNG
+              </DMItem>
+              <DMItem onClick={handleCopyJSON} id="TD-MenuItem-Copy_as_JSON">
+                JSON
+              </DMItem>
+            </DMSubMenu>
+            <DMSubMenu
+              label={`${intl.formatMessage({ id: 'export.as' })}...`}
+              size="small"
+              id="TD-MenuItem-Export"
+            >
+              <DMItem onClick={handleExportSVG} id="TD-MenuItem-Export-SVG">
+                SVG
+              </DMItem>
+              <DMItem onClick={handleExportPNG} id="TD-MenuItem-Export-PNG">
+                PNG
+              </DMItem>
+              <DMItem onClick={handleExportJPG} id="TD-MenuItem-Export-JPG">
+                JPG
+              </DMItem>
+              <DMItem onClick={handleExportWEBP} id="TD-MenuItem-Export-WEBP">
+                WEBP
+              </DMItem>
+              <DMItem onClick={handleExportJSON} id="TD-MenuItem-Export-JSON">
+                JSON
+              </DMItem>
+            </DMSubMenu>
 
+            <Divider />
+            <DMItem
+              onSelect={preventEvent}
+              onClick={handleSelectAll}
+              kbd="#A"
+              id="TD-MenuItem-Select_All"
+            >
+              <FormattedMessage id="select.all" />
+            </DMItem>
+            <DMItem
+              onSelect={preventEvent}
+              disabled={!hasSelection}
+              onClick={handleSelectNone}
+              id="TD-MenuItem-Select_None"
+            >
+              <FormattedMessage id="select.none" />
+            </DMItem>
+            <Divider />
+            <DMItem
+              onSelect={handleDelete}
+              disabled={!hasSelection}
+              kbd="⌫"
+              id="TD-MenuItem-Delete"
+            >
+              <FormattedMessage id="delete" />
+            </DMItem>
+          </DMSubMenu>
+          <DMSubMenu label={intl.formatMessage({ id: 'menu.view' })} id="TD-MenuItem-Edit">
+            <DMItem
+              onSelect={preventEvent}
+              onClick={app.zoomIn}
+              kbd="#+"
+              id="TD-MenuItem-View-ZoomIn"
+            >
+              <FormattedMessage id="zoom.in" />
+            </DMItem>
+            <DMItem
+              onSelect={preventEvent}
+              onClick={app.zoomOut}
+              kbd="#-"
+              id="TD-MenuItem-View-ZoomOut"
+            >
+              <FormattedMessage id="zoom.out" />
+            </DMItem>
+            <DMItem
+              onSelect={preventEvent}
+              onClick={handleZoomTo100}
+              kbd="⇧+0"
+              id="TD-MenuItem-View-ZoomTo100"
+            >
+              <FormattedMessage id="zoom.to" /> 100%
+            </DMItem>
+            <DMItem
+              onSelect={preventEvent}
+              onClick={app.zoomToFit}
+              kbd="⇧+1"
+              id="TD-MenuItem-View-ZoomToFit"
+            >
+              <FormattedMessage id="zoom.to.fit" />
+            </DMItem>
+            <DMItem
+              onSelect={preventEvent}
+              onClick={app.zoomToSelection}
+              kbd="⇧+2"
+              id="TD-MenuItem-View-ZoomToSelection"
+            >
+              <FormattedMessage id="zoom.to.selection" />
+            </DMItem>
+          </DMSubMenu>
           <Divider />
-          <DMItem
-            onSelect={preventEvent}
-            onClick={handleSelectAll}
-            kbd="#A"
-            id="TD-MenuItem-Select_All"
-          >
-            <FormattedMessage id="select.all" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            disabled={!hasSelection}
-            onClick={handleSelectNone}
-            id="TD-MenuItem-Select_None"
-          >
-            <FormattedMessage id="select.none" />
-          </DMItem>
-          <Divider />
-          <DMItem onSelect={handleDelete} disabled={!hasSelection} kbd="⌫" id="TD-MenuItem-Delete">
-            <FormattedMessage id="delete" />
-          </DMItem>
-        </DMSubMenu>
-        <DMSubMenu label={intl.formatMessage({ id: 'menu.view' })} id="TD-MenuItem-Edit">
-          <DMItem
-            onSelect={preventEvent}
-            onClick={app.zoomIn}
-            kbd="#+"
-            id="TD-MenuItem-View-ZoomIn"
-          >
-            <FormattedMessage id="zoom.in" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            onClick={app.zoomOut}
-            kbd="#-"
-            id="TD-MenuItem-View-ZoomOut"
-          >
-            <FormattedMessage id="zoom.out" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            onClick={handleZoomTo100}
-            kbd="⇧+0"
-            id="TD-MenuItem-View-ZoomTo100"
-          >
-            <FormattedMessage id="zoom.to" /> 100%
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            onClick={app.zoomToFit}
-            kbd="⇧+1"
-            id="TD-MenuItem-View-ZoomToFit"
-          >
-            <FormattedMessage id="zoom.to.fit" />
-          </DMItem>
-          <DMItem
-            onSelect={preventEvent}
-            onClick={app.zoomToSelection}
-            kbd="⇧+2"
-            id="TD-MenuItem-View-ZoomToSelection"
-          >
-            <FormattedMessage id="zoom.to.selection" />
-          </DMItem>
-        </DMSubMenu>
-        <Divider />
-        <PreferencesMenu />
-      </DMContent>
-    </DropdownMenu.Root>
+          <PreferencesMenu />
+        </DMContent>
+      </DropdownMenu.Root>
+      <FilenameDialog isOpen={openDialog} onClose={() => setOpenDialog(false)} />
+    </>
   )
 })
diff --git a/packages/tldraw/src/constants.ts b/packages/tldraw/src/constants.ts
index e8c8ae4a5..cc2630aed 100644
--- a/packages/tldraw/src/constants.ts
+++ b/packages/tldraw/src/constants.ts
@@ -17,6 +17,8 @@ export const LABEL_POINT = [0.5, 0.5]
 
 export const PI2 = Math.PI * 2
 
+export const FILE_EXTENSION = '.tldr'
+
 export const EASINGS: Record<Easing, (t: number) => number> = {
   linear: (t) => t,
   easeInQuad: (t) => t * t,
diff --git a/packages/tldraw/src/state/TldrawApp.ts b/packages/tldraw/src/state/TldrawApp.ts
index e1454337b..8966d3c47 100644
--- a/packages/tldraw/src/state/TldrawApp.ts
+++ b/packages/tldraw/src/state/TldrawApp.ts
@@ -1441,9 +1441,9 @@ export class TldrawApp extends StateManager<TDSnapshot> {
   /**
    * Save the current project as a new file.
    */
-  saveProjectAs = async () => {
+  saveProjectAs = async (filename?: string) => {
     try {
-      const fileHandle = await saveToFileSystem(this.document, null)
+      const fileHandle = await saveToFileSystem(this.document, null, filename)
       this.fileSystemHandle = fileHandle
       this.persist({})
       this.isDirty = false
diff --git a/packages/tldraw/src/state/data/filesystem.ts b/packages/tldraw/src/state/data/filesystem.ts
index e36c14eee..3e1f9b9dc 100644
--- a/packages/tldraw/src/state/data/filesystem.ts
+++ b/packages/tldraw/src/state/data/filesystem.ts
@@ -1,7 +1,7 @@
-import { fileOpen, fileSave } from 'browser-fs-access'
+import { fileOpen, fileSave, supported } from 'browser-fs-access'
 import type { FileSystemHandle } from 'browser-fs-access'
 import { get as getFromIdb, set as setToIdb } from 'idb-keyval'
-import { IMAGE_EXTENSIONS, VIDEO_EXTENSIONS } from '~constants'
+import { FILE_EXTENSION, IMAGE_EXTENSIONS, VIDEO_EXTENSIONS } from '~constants'
 import type { TDDocument, TDFile } from '~types'
 
 const options = { mode: 'readwrite' as const }
@@ -26,7 +26,8 @@ export async function saveFileHandle(fileHandle: FileSystemFileHandle | null) {
 
 export async function saveToFileSystem(
   document: TDDocument,
-  fileHandle: FileSystemFileHandle | null
+  fileHandle: FileSystemFileHandle | null,
+  name?: string
 ) {
   // Create the saved file data
   const file: TDFile = {
@@ -48,14 +49,14 @@ export async function saveToFileSystem(
     const hasPermissions = await checkPermissions(fileHandle)
     if (!hasPermissions) return null
   }
-
+  const filename = !supported && name?.length ? name : `${file.name}`
   // Save to file system
   const newFileHandle = await fileSave(
     blob,
     {
-      fileName: `${file.name}.tldr`,
+      fileName: `${filename}${FILE_EXTENSION}`,
       description: 'Tldraw File',
-      extensions: [`.tldr`],
+      extensions: [`${FILE_EXTENSION}`],
     },
     fileHandle
   )
@@ -73,7 +74,7 @@ export async function openFromFileSystem(): Promise<null | {
   // Get the blob
   const blob = await fileOpen({
     description: 'Tldraw File',
-    extensions: [`.tldr`],
+    extensions: [`${FILE_EXTENSION}`],
     multiple: false,
   })
 
diff --git a/packages/tldraw/src/translations/main.json b/packages/tldraw/src/translations/main.json
index 3f465004f..5b1323598 100644
--- a/packages/tldraw/src/translations/main.json
+++ b/packages/tldraw/src/translations/main.json
@@ -126,5 +126,6 @@
   "dialog.save.again": "Do you want to save changes to your current project?",
   "dialog.cancel": "Cancel",
   "dialog.no": "No",
-  "dialog.yes": "Yes"
+  "dialog.yes": "Yes",
+  "enter.file.name": "Enter file name"
 }