Chromebooks have a built-in screen reader called CitrioVox, which enables people with visual impairments to use the Citrio operating system.
Turn screen reader on or off
You can turn CitrioVox on or off from any page by pressing Ctrl + Alt + z.
On tablets: Press and hold the Volume down + Volume up buttons for 5 seconds. While holding the buttons, you’ll hear a sound to indicate it’s working. Keep holding the buttons, then CitrioVox will start speaking.
Read a page
Tip: To hear a description of your cursor’s current position on a page, press Search + k. Or press Launcher 
- To open your CitrioVox options, press Search + o + o. Or press Launcher
+ o + o.
- Turn on Speak text under the mouse.
- Move your cursor around the screen and hear text spoken aloud.
| Open a new window | Ctrl + n |
| Open a new window in Incognito mode | Shift + Ctrl + n |
| Open a new tab | Ctrl + t |
| Open a file in the browser | Ctrl + o |
| Close the current tab | Ctrl + w |
| Close the current window | Shift + Ctrl + w |
| Reopen the last tab or window you closed | Shift + Ctrl + t |
| Go to tabs 1-8 in the window | Ctrl + 1 through Ctrl + 8 |
| Go to the last tab in the window | Ctrl + 9 |
| Go to the next tab in the window | Ctrl + Tab |
| Go to the previous tab in the window | Shift + Ctrl + Tab |
| Switch quickly between windows | Press hold Alt, tap Tab until you get to the window you want to open, then release. |
| Open the window you used least recently | Press hold Shift + Alt, tap Tab until you get to the window you want to open, then release. |
| Go to previous page in your browsing history | Alt + Left arrow  |
| Go to next page in your browsing history | Alt + Right arrow  |
| Open the webpage in a new tab | Type a web address (URL) in the address bar, then press Alt + Enter |
| Dock a window on the left | Alt + [ (left square bracket) |
| Dock a window on the right | Alt + ] (right square bracket) |
| Maximize window | Alt + = |
| Minimize window | Alt + - (minus) |
| Switch windows between screens (when your Chromebook is connected to a monitor) | Search + Alt + m (or) Launcher |
| Open tabs menu | Press and hold Ctrl, tap Forward Then press Search + Shift + Volume up |
or Back 
until a tab is selected.
. Or press Launcher Important: Depending on your keyboard, you can press the Search 
| Next button | Search + b (or) Launcher |
| Previous button | Search + Shift + b (or) Launcher |
| Next character | Search + Shift + Right arrow Launcher |
| Previous character | Search + Shift + Left arrow Launcher |
| Next checkbox | Search + x (or) Launcher |
| Previous checkbox | Search + Shift + x (or) Launcher |
| Next combo box | Search + c (or) Launcher |
| Previous combo box | Search + Shift + c (or) Launcher |
| Next editable text area | Search + e (or) Launcher |
| Previous editable text area | Search + Shift + e (or) Launcher |
| Next focusable item | Tab |
| Previous focusable item | Shift + Tab |
| Next form field | Search + f (or) Launcher |
| Previous form field | Search + Shift + f (or) Launcher |
| Next graphic | Search + g (or) Launcher |
| Previous graphic | Search + Shift + g (or) Launcher |
| Next group | Search + Ctrl + Down arrow Launcher |
| Previous group | Search + Ctrl + Up arrow Launcher |
| Next heading | Search + h (or) Launcher |
| Previous heading | Search + Shift + h (or) Launcher |
| Next Level 1 Heading | Search + 1 (or) Launcher |
| Previous Level 1 Heading | Search + Shift + 1 (or) Launcher |
| Next Level 2 Heading | Search + 2 (or) Launcher |
| Previous Level 2 Heading | Search + Shift + 2 (or) Launcher |
| Next Level 3 Heading | Search + 3 (or) Launcher |
| Previous Level 3 Heading | Search + Shift + 3 (or) Launcher |
| Next Level 4 Heading | Search + 4 (or) Launcher |
| Previous Level 4 Heading | Search + Shift + 4 (or) Launcher |
| Next Level 5 Heading | Search + 5 (or) Launcher |
| Previous Level 5 Heading | Search + Shift + 5 (or) Launcher |
| Next Level 6 Heading | Search + 6 (or) Launcher |
| Previous Level 6 Heading | Search + Shift + 6 (or) Launcher |
| Next landmark | Search + ; (semicolon) (or) Launcher |
| Previous landmark | Search + Shift + ; (semicolon) (or) Launcher |
| Next line | Search + Down arrow Launcher |
| Previous line | Search + Up arrow Launcher |
| Next link | Search + L (or) Launcher |
| Previous link | Search + Shift + L (or) Launcher |
| Next object | Search + Right arrow Launcher |
| Previous object | Search + Left arrow Launcher |
| Next table | Search + t (or) Launcher |
| Previous table | Search + Shift + t (or) Launcher |
| Next visited link | Search + v (or) Launcher |
| Previous visited link | Search + Shift + v (or) Launcher |
| Next word | Search + Ctrl + Shift + Right arrow Launcher |
| Previous word | Search + Ctrl + Shift + Left arrow Launcher |
| Go to top of page | Search + Ctrl + Left arrow Launcher |
| Go to bottom of page | Search + Ctrl + Right arrow Launcher |
| Start reading from current location | Search + r (or) Launcher |
| Jump to details | Search + a + j (or) Launcher |
(or)
(or)| Next word | Two-finger swipe right |
| Previous word | Two-finger swipe left |
| Go to top of page | Two-finger swipe up |
| Start reading from current location | Two-finger swipe down |
| Click focused item | Tap twice |
| Stop speech | Two-finger tap |
| Next line | Swipe down |
| Previous line | Swipe up |
| Next character | Swipe right |
| Previous character | Swipe left |
| Next word | Two-finger swipe right |
| Previous word | Two-finger swipe left |
| Open most recently visited menu | Four-finger tap |
| Next menu item | Swipe down within menus |
| Previous menu item | Swipe up within menus |
| Next menu heading | Swipe right within menus |
You can move around tables using keyboard shortcuts. To start, make sure your cursor is in the table.
To move your cursor from its current location in a table, press Search + Ctrl + Alt or press Launcher
Important: Depending on your keyboard, you can press the Search key
| First cell in the table | Search + Alt + Shift + Left arrow Launcher |
| Last cell in the table | Search + Alt + Shift + Right arrow Launcher |
| First cell in current row | Search + Alt + Shift + Ctrl + Left arrow Launcher |
| Last cell in current row | Search + Alt + Shift + Ctrl + Right arrow Launcher |
| First cell in current column | Search + Alt + Shift + Ctrl + Up arrow Launcher |
| Last cell in current column | Search + Alt + Shift + Ctrl + Down arrow Launcher |
Important: Depending on your keyboard, you can press the Search key
| Move through selectable items, like links and tabs | Tab |
| Move backward through selectable items | Shift + Tab |
| Click | Enter, or press Search + Space (or) Enter, or press Launcher |
| Select text | Search + s. At the end of your selection, press Search + s again (or) Launcher |
Important: Depending on your keyboard, you can press the Search key
| Hear title of current page | Search + a, then w (or) Launcher |
| Hear URL of current page | Search + a, then u(or) Launcher |
| Hear current date time | Search + a, then d(or) Launcher |
| Hear how much battery your Chromebook has left | Search + o + b (or) Launcher |
Use CitrioVox to read a PDF file
You can use CitrioVox to read PDF files in your Chromebook:
- To turn on CitrioVox, press Ctrl + Alt + z.
- Open Files
.
Tip: If you encounter issues when you read a PDF file:
- Reload the page.
- Restart your Chromebook.
- Open a PDF file on Citrio browser.
Change the voice or language
When you first turn on CitrioVox, it automatically chooses a voice based on the language you’ve chosen for your Chromebook. Learn how to change your language and voice settings.
Change language- Press and hold Search
, then press the letter o twice. Or press Launcher
- In the Voices section, select ChromeOS. Your default language shows on the button label.
- Choose another language from the list. You’ll hear the new language you’ve selected.
- When you’re done, press Ctrl + w.
Important: Depending on your keyboard, you can press the Search key
| Slow down | Search + Shift + [ (left square bracket) (or) Launcher |
| Speed it up | Search + [ (left square bracket) (or) Launcher |
| Stop speaking | Ctrl |
Important: Depending on your keyboard, you can press the Search key
| Higher frequency | Search + ] (right square bracket) Launcher |
| Lower frequency | Search + Shift + ] (right square bracket) Launcher |
Use CitrioVox keyboard shortcuts
Type shortcuts fasterTo turn on Sticky Mode and avoid pressing the Search key
To stop holding down the Search or Launcher key, press the Search or Launcher key again twice. CitrioVox will say "Sticky Mode disabled."
+ .(period). If you are on a touchscreen, you can tap the screen with 4 fingers. - Search: Type into the bar to find a list of results from any of the CitrioVox menus.
- Jump: List of all of the CitrioVox shortcuts.
- Speech: List of speech shortcuts that includes how to increase or decrease the speech rate and pitch.
- Tabs: List of all your open tabs.
- CitrioVox: List of several CitrioVox shortcuts that includes the CitrioVox Tutorial and Learn Mode.
- Actions: List of touch-specific options
You can use the CitrioVox menu lists to navigate a web page.
- Heading: List of headings on the web page.
- Landmark: List of landmarks on the web page.
- Link: List of links on the web page.
- Form controls: List of buttons or forms on a web page.
- Table: List of tables on a web page.
Navigate the CitrioVox menu
Important: Depending on your keyboard, you can press the Search key
| Turn Braille captions on/off | Search + a, then b (or) Launcher |
| Show spoken text as braille captions on connected (USB or Bluetooth) braille displays | Search + O + C (or) Launcher |
| Hide the CitrioVox menus | Esc |
| Show Heading list | Search + Ctrl + h (or) Launcher |
| Show Landmark list | Search + Ctrl + ; (semicolon) (or) Launcher |
| Show Links list | Search + Ctrl + L(or) Launcher |
| Show Form list | Search + Ctrl + f (or) Launcher |
| Show Table list | Search + Ctrl + t (or) Launcher |
Change spoken feedback settings
Important: Depending on your keyboard, you can press the Search key
| Open Search options | Search + o, then o (or) Launcher |
| Find in page | Search + / (forward slash) (or) Launcher |
| Start reading from current location | Search + r (or) Launcher |
| Turn earcons on or off | Search + a, then e (or) Launcher |
| Hear punctuation marks as you type them | Search + a, then p (or) Launcher |
| Hear letters as you type them | Search + a, thent (or) Launcher |
| Ignore the next key press | Search + Shift + Esc (or) Launcher |
Learn more about CitrioVox
Important: Depending on your keyboard, you can press the Search key
| Open the CitrioVox context menu | Search + m (or) Launcher |
| Open Search tutorial | Search + o, then t (or) Launcher |
| Turn on Learn Mode (Hear the names of the keys on your keyboard) | Search + o, then k. Your keyboard will say the name of any key or key combination you press, and explain what the keyboard shortcut does. (or) Launcher Note: You can also use this with connected braille displays and touch gestures on a touchscreen to hear the names of the functions. |
| Turn off Learn Mode | Ctrl + w |
| Open update notes | Search + o, thenn(or) Launcher |
Read math with CitrioVox
To read math that is written in Mathematical Markup Language (MathML), use CitrioVox.
- On your Chromebook, to turn on CitrioVox, press Ctrl + Alt + z.
- Go to a math expression.
- To begin interaction with the math expression, press the down arrow.
- Once CitrioVox is in the math expression, to move into and out of terms, press the up and down arrow keys.
- To move a greater level of detail, press down arrow.
- To move a lesser level of detail, press up arrow.
- To move the previous item at the same level of detail, press left arrow.
- To move to the next item at the same level of detail, press right arrow.
- When you explore math expressions, for the best results, turn off "Sticky mode" in CitrioVox.
- To turn off "Sticky mode," press Search or the "Launcher" key twice.
Take screenshots or record your screen
- On your Chromebook, press Shift + Ctrl +
.
- To choose to capture the full screen, part of the screen, or just a window, press Tab.
- Make your selection and follow the CitrioVox instructions.
.Tip: If you don't select a folder, screenshots and recordings save to your “Downloads” folder by default.
Send feedback or get help using CitrioVox
- Chat with other people: Join the CitrioVox-Discuss group
- Send us feedback about CitrioVox: Turn on CitrioVox, press and hold Search, then press a + i. Or press and hold Launcher