DLsite Viewer is required to view works in dlst format (digital comics / e-books).
This page provides information about how to use DLsite Viewer.
○Windows
- About Updates to DLsite Viewer
- Main Screen of DLsite Viewer
- Menu
- Tool Bar
- Status Bar
- Context Menu
- Full Screen Mode
- Settings
○Windows
■About Updates to DLsite Viewer
To update your DLsite Viewer to the latest version, you need to download and install the special software again.
Download it by clicking [ here ] the button on the right.
■Main Screen of DLsite Viewer

Name |
Description |
① Title bar | The program name "DLsite Viewer" is shown. |
② Menu | Open a document in dlst format or change settings of DLsite Viewer. |
③ Tool bar | Operate DLsite Viewer. You can toggle to show/hide the tool bar in the View menu. |
④ Thumbnails window | This window shows all the pages of the currently-opened file in thumbnail-size images. You can toggle to show/hide the thumbnails window in View menu or in the tool bar. |
⑤ Image display window | This window shows the currently-opened page. You can view two pages at a time by clicking the [ Two page view ] button in the tool bar. |
⑥ Status bar | Indicates the status of the currently-opened page. |
■Menu
Menu | Submenu | Description | Shortcut key |
File(F) | Open(O)... | Open a document in dlst format | CTRL + O |
Properties(P) | Show dlst file information | ||
Exit(X) | Exit the application | ||
View (V) | Tool bar(T) | Toggle show/hide tool bar | |
Status bar(S) | Toggle show/hide status bar | ||
Thumbnails (U) | Toggle show/hide thumbnail window | CTRL + U | |
Background color(B) | Show dialog box to select background color | ||
Tools(T) | Settings(C) | Change various settings | |
Help(H) | Version information(A) | Show version information | |
Check for updates (U) | Check for updated files |
■Tool Bar
The tool bar can be toggled to show/hide.
Tool bar menu items are described below.

Menu | Submenu | Description | Shortcut key |
① Open | Open a document in dlst format | CTRL + O | |
② Two page view | Show two pages at a time. | CTRL + V | |
Two Page View Except Cove | Display in two page view except the cover | ||
③ Left page | Open left page | ← | |
④ Right page | Open right page | → | |
⑤ Leftmost page | Go to the last page in a right-to-left file, or the first page in a left-to-right file. | Shift + ← | |
⑥ Rightmost page | Go to the first page in a right-to-left file, or the last page in a left-to-right file. | Shift + → | |
⑦ Open specified page | Jump to the specified page | ||
⑧ Auto play | In order | Automatically show pages in order, in reverse order and in random order. Set the slider to show pages at a certain speed. Slide left to go slower, and right to go faster. The slider has eight settings. 120, 90, 60, 30, 15, 10, 5, 1 (seconds) Default setting is 30 seconds. |
CTRL + A |
In reverse order | |||
Random | |||
Repeat | |||
⑨ Zoom in | Zoom in 10% (maximum: 200%) | CTRL + (+) | |
⑩ Size | auto | View image in the specified size | |
50% | |||
100% | CTRL + 0 (ゼロ) | ||
150% | |||
200% | |||
⑪ Zoom out | Zoom out 10% (minimum: 10%) | CTRL + (-) | |
⑫ Rotate counterclockwise | Rotate the image counterclockwise | ||
⑬ Rotate clockwise | Rotate the image clockwise | ||
⑭ Loupe | Small | Show loupe | CTRL + M |
Medium | |||
Large | |||
125% | Specify loupe magnification | ||
150% | |||
200% | |||
⑮ Full screen | Full screen mode | CTRL + F | |
Exit full screen mode | ESC | ||
⑯ Thumbnails | Show thumbnails window on the left side of DLsite Viewer. | CTRL + U | |
⑰ Bookmark | Set the page you will start reading when you open the file. | CTRL + S | |
⑱ Settings | Various settings |
■Status Bar
The status bar can be toggled to show/hide in window mode and is hidden in full screen mode.
Status bar menu items are described below.

Item | Description |
① Rotate angle | Show the angle of rotation by degrees. |
②Magnification | Show the amount of magnification. In two page view, magnification is shown as [ left / right ]. |
③ Page number | Show the current and total page number [ current page / total page ]. In two page view, pages are shown together (example: [ 1-2 / 100 ]) |
■Context Menu
The context menu is shown in the image display window.
Context menu items are described below.
Item | Description |
Next page | Open next page |
Previous page | Open previous page |
Full screen/Windowed | Toggle between full screen mode and window mode. |
Loupe | Toggle loupe on/off |
Tool bar | Check/uncheck the box to show/hide tool bar. This option is only available in full screen mode. |
■Full Screen Mode
Switch to full screen mode from the tool bar or context menu.
The following windows are hidden in full screen mode.
Title bar, Menu, Thumbnails window, Status bar
The tool bar can be toggled to show/hide from the context menu. The tool bar is hidden by default.

■Settings

Setting | Item | Description |
① Mouse settings | Use scroll wheel for page navigation(W) | Check the box to navigate pages with scroll wheel. (default) |
② Bookmark settings | Ask to add bookmark on exit (C) | Confirm whether or not to add bookmark each time on exit (default) |
Add bookmark on exit (S) | Add bookmark on exit automatically | |
Do not add bookmark on exit (U) | Do not add bookmark on exit automatically | |
③ Two page view settings | Gaps between pages(Z) | Enter a number between 0 and 300. If it exceeds 300, it automatically sets to 300 when zoomed out. |
Reset(E) | The default setting is 16 | |
④ Authentication information settings | Delete information(R) | Click the [ Delete information ] button to delete automatic authentication information and return to its default settings. This option will delete saved login ID and password information. |
⑤ Proxy server settings | User ID(I) | Set user ID for proxy server if you use it. |
Password (P) | Set password for proxy server if you use it. |