Quickstart guide
You can access the complete user manual from our GitHub page.
User interface
- To show the TOP MENU or BOTTOM MENU you can click the indicated zones. You can click or swipe down the upper zone to show the TOP MENU.
- The STATUS BAR zone can be used to cycle between STATUS BAR items if one item is visible. This will also hide and show the STATUS BAR if you tap enough times.
User interface tips
- You can change the interface language using:
TOP MENU ➔
➔ Language
- If you tap and hold on an option or menu item (font weight, line spacing etc.), you can set its value as DEFAULT. The new value will only be applied to documents opened from now on. Previously opened documents will keep their settings. You can identify default values as a STAR in menu or as a black border around indicators as seen below:
- You can see explanations for all items on the BOTTOM MENU by tapping and holding the name of the option. This is also available for most of the TOP MENU menu items.
- You can CLOSE full screen dialogs (History, Table of Contents, Bookmarks, Reading Statistics etc.) by swiping down
- SCREENSHOTS can be taken by touching opposing corners of the screen diagonally at the same time or by making a long diagonal swipe

- In dialogs containing adjustment arrow buttons like the one above, you can tap and hold on arrow buttons to increase / decrease the value in bigger increments
- You can CLOSE this type of dialog (non-full screen) by tapping outside of the window. You can MOVE this type of dialog by holding the window title and dragging
- You can make this type of dialog SEMI-TRANSPARENT (to see the text under it while adjusting a value) by tapping and holding the window title
- Tapping and holding a word brings up a dialog which allows you to search for the selection to find more occurrences in the document or to look it up on Wikipedia
- You can highlight sections by tapping and holding a word and dragging your finger
- You can move through your document via the SKIM DOCUMENT dialog:
TOP MENU ➔
➔ Skim document
Accessing files
The following methods are available for accessing your books and articles:
- File Browser
- Favorites
- History
You can assign gestures for quick access to each of these dialogs.
You can also set KOReader to open with any of these dialogs on startup via:
TOP MENU (in File Browser) ➔
➔ Start with
Transferring files
In addition to transferring files the same way you would with the built-in reader application, other options are available depending on your device:
- USB Mass Storage mode within KOReader
- Cloud storage (Dropbox/FTP/Webdav)
- SSH/SFTP access
- Calibre transfer
- News downloader
- Wallabag
Frontlight/backlight
You can control your screen light via this menu. If you have warm lighting (normal white LEDs+orange ones) you can control them separately from this dialog:
TOP MENU ➔
➔ Frontlight
While reading
You can change the font
TOP MENU ➔
➔ Font
Make font bigger
BOTTOM MENU ➔ 
Make font bolder
BOTTOM MENU ➔ 
Invert the colors (white text on black)
TOP MENU ➔
➔ Night mode
Change many formatting options
TOP MENU ➔
➔ Style tweaks
Installing dictionaries
KOReader supports dictionary lookup in EPUB and even in scanned PDF/DJVU documents. To see the dictionary definition or translation, tap and hold a word.
To use the dictionary lookup function, first you need to install one or more dictionaries in the StarDict format. KOReader has an inbuilt dictionary installation system:
TOP MENU ➔
➔ Dictionary Settings > Download dictionaries
More info
You can find any option within the top menu using:
**Menu ➔
➔ Help ➔ Menu search
You can find more information on our GitHub page
https://github.com/koreader/koreader
You can find other KOReader users on MobileRead forums
https://www.mobileread.com/forums/forumdisplay.php?f=276
Generated by KOReader .