Sushi Browser v0.32.0 Hamaguri(Orient clam)

The Next Generation Multi-Panel Browser



When you are browsing the web you can only use a section of your screen. Have you ever thought that that's a waste?
"Maximize the web browsing efficiency", it is the concept of "Sushi Browser".
Its goal is to be as fantastic as sushi.

Regarding the various functions of the browser, please refer to "Tips".


We will introduce this panel's greatest feature, the "multi panel". Please check here for more detailed functions.
For more detailed function, please check here.

Multi panel

・Split Panel
The panel can be divided by dragging the tab towards the corner of the panel.
It can also be divided from the right click menu on the tab as well.

・Display to the opposite panel
By middle clicking (pressing the mouse wheel) the link you can open the page in the link to the opposite panel.
Middle clicking with 1 panel automatically splits the display into 2 panels.

・Sync scrolling
By pressing the Sync scroll button, 1 page can be lined up like the pages of a book.

・Side (bottom) bar
You can open favorite pages or pages from your history using the side bar. The side bar can display web pages same as common panels.

Video Support Function

・Video download
Once it detects a video existing on a web page, the video icon on in the toolbar becomes red and allows video download and replay.
Also downloading a streaming video (.m3u8) or a batch video download are available by using youTube-dl.

・Pop-up window
If you select "Play Video in Popup Window" from the context menu right clicked on the video being played or from the menu displayed after clicking the video icon, the video will be cut out as a popup window or panel.

・Mouse, keyboard operation
Varieties of control and setting are possible with mouse and keyboard like video player onto the videos being played.
Mouse wheel control is assigned to Seek, Double-click is assigned to full screen mode as default.


・Multi-row tab
Multi-row tabs can be used in the Sushi Browser. And ordinary tabs can be switched to Multi-row tabs from the main menu.

・Vertical Tab, Tree Tab
Vertical tabs can be used in Sushi Browser. Vertical tabs can be displayed from the sidebar icon of the menu bar.
It's also possible to hide ordinary tabs when displaying vertical tabs.

・Tab Preview
You can use Tap Preview of Pop-up method and sliding method.(Same as Edge or Vivaldi)

More useful features

This browser is equipped with various convenient features other than above function.
In addition, we are using Muon derived from the Electron Framework, and we can also use that function.
Please check here about using Flash.

Session Manager

This browser has a session control system that preserves the condition of the window of browser and tab at regular interval and plays.

There is also a function for the recover of tab like a tab trush and a tab record.


・Video download: When downloading video and music information, download link is displayed automatically.

・Parallel download: For 1 file it can download with a maximum of 16 parallel downloads.

・Download All: You can do bulk download links and media files on the page.

Build-in Tool

1. Terminal: It can operate Bash for Linux/Mac and Power Shell for Windows.

2. File explorer: It can manage and browse files.

3. Text editor: It can edit text and source codes etc.

4. Video playback: It can be used for automatic playback of videos.

Search Engines

It features a powerful search function such as searching a selection range and simultaneous search with multiple search engines.


Sushi browser is equipped with an editable note (memo) function in WYSIWYG format (edit as seen) and Markdown format.

Portable Edition

You can choose between installation version and portable version.

Keyboard Shortcut, Mouse Gesture

It is possible to set up the keyboard shortcuts and mouse gestures for 100+ functions.


Screenshots of the whole page or a selected area can be made.

Display Functions, Binding Window

There are functions such as "Always on top".

・Bind Selected Window: The function to bind other windows on the tab and control like the application in the tab.

・Mobile Mode: You can change the user agent and display the page as mobile or another browser.


iWith automatic operation assist functions such as iMacros and IDE, we have implemented an API compatible with Puppeteer (automation in headless Chrome) API.


Please check here for more details.


New Features

New function(v0.32.0) [2020/10/05]

1. Updated Electron to v10.1.3.

2. Updated Custom Chromium to 85.0.4183.121.

3. Updated youtube-dl to 2020.09.20.

New function(v0.31.2) [2020/03/15]

1. Fixed Address bar bug.

2. Fixed a problem when maximizing the screen.

3. Changing chrome startup parameters.

New function(v0.31.1) [2020/03/09]

1. Fixed Address bar bug.

2. Fixed a problem when maximizing the screen.

New function(v0.31.0) [2020/03/08]

1. * Note: In this version, the database migration is performed at the first startup.

2. Changed database from nedb to SQLite3.(Improved stability)

3. Fixed some bugs.

4. Updated Electron to v6.1.9.

5. Updated Custom Chromium to 80.0.3987.132.

6. Updated Custom Brave to v1.4.96.

7. Updated youtube-dl to 2020.03.06.

New function(v0.30.1) [2020/02/05]

1. Fixed bug of video controller.

2. Fixed a bug that the extension URL could not be opened.

3. Added resolution to video controller.

4. Changed to be able to set A-B repeat in 0.1 second unit.

5. Added A-B repeat reset button.

6. Changed to store A-B repeat, equalizer and video effects for each page.

7. Added function to set default of equalizer and video effect.

8. Added the function to add / save / delete equalizer presets.

9. Updated Custom Chromium to 80.0.3987.85.

10. Updated youtube-dl to 2020.01.24.

New function(v0.30.0) [2019/12/22]

1. Added video controller function.

2. Added A-B repeat function.

3. Added video capture function.

4. Added thumbnail generation function.

5. Added equalizer function.

6. Added video effect function.

7. Fixed download bug.

8. Fixed panel split bug.

9. Updated Custom Chromium to 79.0.3945.88.

10. Updated Custom Brave to v1.1.23.

New function(v0.29.1) [2019/12/01]

1. Fixed a bug of moving video / window when maximizing.

2. Fixed a bug in the z-order of the window.

3. Fixed a bug in the function displayed in the foreground.

4. Fixed a bug of closing pop-up window.

5. Fixed a bug in the display position of the toolbar menu.

6. Fixed a bug of adding / deleting bookmarks.

7. Fixed a bug in File Explorer.

8. Fixed download function.

9. Fixed video download.

10. Fixed a bug in video playback.

11. Fixed location bar bug.

12. Updated UserAgent list.

13. Fixed Other bugs.

New function(v0.29.0) [2019/11/24]

1. Fixed video maximize function.

2. Added a function to move the window by dragging the mouse when maximizing the movie.

3. Added a function to set the size of 100% or more when maximizing the video. In addition, it was possible to move the position by mouse drag when it was over 100%.

4. Fixed the pause function by clicking the video and set it to the default action.

5. Fixed video page.

6. Fixed video pop-up window.

7. Bug fixes when changing the window size.

8. Fixed bug when maximizing window.

9. Changed the default bookmark page to Chrome standard. And add options to change.

10. Fixed a bug that right-click menu does not work when extension is uninstalled.

11. Fixed tab focus by mouse over.

12. Fixed a bug in the location bar.

13. Updated Electron to v6.1.5.

14. Updated Custom Chromium to 78.0.3904.108.

15. Updated Custom Brave to 1.0.1.

16. Updated youtube-dl to 2019.11.22.

17. Fixed the z-order bug of the window.

18. Fixed panel split bug.

19. Fixed a bug that failed to start Custom Brave.

New function(v0.28.1) [2019/11/03]

1. Fixed not to forcibly close Chrome when the browser is closed.

2. Fixed bugs related to video maximization.

3. Fixed a bug when closing a tab at the same time as creating it.

4. Fixed a bug related to tab movement.

5. Fixed a bug in full screen mode.

6. Added Open new tab in background in main menu.

7. Fixed a bug in session saving.

8. Fixed bugs in custom window icons.

New function(v0.28.0)

1. Fixed a bug that bookmarks cannot be sorted.

2. Improved startup stability when registering many Chrome extensions.

3. Fixed a bug in Context Menu of Chrome extension.

4. Fixed window resizing bug.

5. Fixed a bug of tab selection by mouse scroll.

6. Fixed a bug that URL is updated when focus is removed while typing in the address bar.

7. Fixed a malfunction when focusing the address bar.

8. Fixed a bug that the tool page is a translation page target.

9. Fixed a bug that does not work when Chrome extension CSP is set. (Custom Chromium edition only)

10. Fixed a bug that doesn't work when Event Page of Chrome extension is set. (Custom Chromium edition only)

11. Fixed a bug that volume cannot be changed on a specific page. (Custom Chromium edition only)

12. Fixed bugs related to resizing of Linux edition.

13. Added Custom Brave edition to Windows edition.

14. Updated Custom Chromium to 78.0.3904.70.

15. Updated youtube-dl to 2019.10.22.

New function(v0.27.0)

1. Updated Custom Chromium to 77.0.3865.120.

2. Electron updated to v6.0.12.

3. Youtube-dl updated to 2019.09.28.

4. Fixed a bug that Maximize button is not displayed in iframe video.

5. Fixed a bug that does not work when Linux version of wmctrl does not exist.

6. Fixed bug that affects info-bar size when browser is specified.

7. Fixed a bug that the extension itself is not displayed when reloading after disabling the Chrome extension from the settings page.

New function(v0.26.1)

1. Released MacOS version.

2. Updated Custom Chromium to 76.0.3809.132.

3. Electron updated to v6.0.6.

4. Youtube-dl updated to 2019.09.01.

5. Many other bug fixes.

New function(v0.26.0)

1. Released Linux edition.

2. Changed to pre-read videos until the end in custom chromium version. (except for stream videos)

3. In custom chromium version, changed the chrome extension to display popup window of standard chrome.

4. Update custom chromium to v76.

5. Change session acquisition source at the time of first session restore.

6. Fixed the bug of move and onActivated of chrome extension.

7. Updated youtube-dl to 2019.08.02.

New function(v0.25.9)

1. Changed the sizing logic of popup window of Chrome extension.

2. Fixed a bug that mouse gestures rarely work.

3. Added feature to show bookmarks in address bar auto-completion. (issue #64)

4. Fixed a bug that downloader display is not updated.

New function(v0.25.8)

1. Fixed custom chrome edition to allow mouse gestures and system operation on chrome extension page.

2. In the custom chromium edition, the private window is modified to display the normal Chromium UI.

3. Fixed an issue that the size of popup window of Chrome extension continues to expand in custom chromium edition and Windows 7.

4. Added the handling logic when the video controller is turned off when pausing after maximizing with the video maximize button.

5. Fixed a bug about thumbnail capture frequency.

6. Changed the judgment method of the panel resizer.

New function(v0.25.7)

1. Fixed the problem that the order is not saved after executing "Sort Menu".

2. Fixed the bug that the order of tabs is incorrect when creating many tabs.

3. Changed to save session when exiting application.

4. Changed to delete Chrome download history after download.

5. Fixed window maximization process at startup.

6. Fixed to reflect Chrome history deletion. (issue #64)

7. Increased timeout value of current state save process at application end from 2 seconds to 1 minute.

8. Fixed a bug related to the frequency of acquiring page thumbnails.

9. Updated youtube-dl to 2019.07.12

New function(v0.25.6)

1. Bug fix display of popup window of Chrome extension.

2. Added "Main Menu > More tools > Enable Mouse Gesture".

3. Added processing to open tabs in correct panel when restoring session.

4. Startup stability improvement (If the browser process remains in an incorrect state, added the process to stop the process at startup).

5. Fixed Sort Menu.

6. Fixed the problem that the address bar is not focused by timing when creating a new tab.

7. Removed processing to delay startup maximization.

8. Enabled browser update check function.

New function(v0.25.5)

1. Fixed a bug that setting value is not set when setting value is 0 on setting page. (issue #64)

2. Fixed not to register unnecessary URL such as redirect URL in history (issue #64)

3. Fixed a bug that the upper 7px click is invalidated when maximized.

4. Fixed a bug that tab does not close when invalid URL is entered.

5. Fixed a bug that the tab bar is hidden when scrolling on a tab at full screen.

6. Fixed the bug that the title bar is displayed on top of custom chromium on Windows 7.

7. Fixed a bug that does not work correctly when specifying a URL as an argument.

8. Fixed a bug that the sidebar does not hide.

9. Improved startup stability.

New function(v0.25.4)

1. Moved top page bookmark bar from browser UI to web page.

2. Fixed TabCapture API to work with Custom Chromium version.

3. Fixed to kill if there are remaining processes.

4. Updated puppeteer to 1.17.0.

5. Fixed the suppression function at double startup.

6. Fixed a bug that the window size does not follow.

New function(v0.25.3)

1. Changed WebContents Occlusion to disabled. (Fix the bug that rendering of the browser web page is not performed)

2. Fixed: Scrolling works properly if "Scroll inactive windows when I hover over them" is disabled.

3. Modified Developer Tools window to be resizable.

4. Fixed a bug that the menu on the toolbar does not close after clicking.

5. Fixed the judgment error of whether it is the top window or not.

6. Fixed a bug in Chrome version display.

7. Updated Electron to 5.0.4.

8. Updated youtube-dl to 2019.06.08.

9. Fixed crash when opening drop-down menu in custom chromium edition. (issue #62)

10. Updated custom chromium to 75.0.3770.90.

New function(v0.25.2)

1. Fixed fatal performance issues with tab's operation.

2. Fixed a hang when creating a new tab.

3. Some performace tuning.

4. Reduced file size.

New function(v0.25.1)

1. Fixed the problem that windows are not linked to the correct panel.

2. Fixed the bug of z-order of window.

3. Some performance improvement.

4. Fixed the bug that the window of the smallest size remains when it is minimized.

5. Fixed a bug that media list popup doesn't close by click.

6. Fixed the bug that youtube-dl does not work on Windows 8 and does not start.

7. Fixed a bug that custom chrome edition of widevine doesn't work.

8. Fixed custom chromium edition of side by side configuration error.

9. Revive the margin function on the tab bar on the custom chromium edition.

10. In the custom chromium edition, the minimum window size can be set to 0.

11. Fixed a bug in hover screen display of fullscreen tab bar in custom chromium edition.

12. Fixed a bug that is not displayed in the task bar in custom chromium edition.

New function(v0.25.0)

1. Implemented high dpi support.(issue #61)

2. Fixed tab position bugs.(issue #59)

3. Added chrome menu icon to toolbar.

4. Added custome chrome edition. Custom Chromium is a build with all Chromium UI removed.

5. Adedd fullscreen feature to custom chrome edition.

6. Updated to youtube-dl 2019.05.20.


New function(v0.24.2)

1. Fixed a bug where you won't get a warning if Chrome is not installed.

2. Changed to use --disable-gpu option.

3. Fixed a bug in db access.

4. Fixed behavior of "Ctrl + N new window shortcut".(#59)

5. Fixed behavior when hiding the sidebar.(#59)

6. Fixed the behavior of shortcut keys such as Ctrl + Shift + I and Ctrl + R.(#59)

New function(v0.24.1)

1. Fixed loading timing.

2. Added search retry process for chrome window.

3. Fixed a bug in the installation process.

4. Improved French translation. (Pull Request #45, #46, #47, #48, #49, #50, #51, #52)

New function(v0.24.0)

1. Using Chrome as a pseudo webview solves the Muon-related problem. In addition, the following became possible.

2. Chrome features such as translation, password management and chrome://flags are now available.

3. Expanded Chrome Extension support.

4. Chrome Sync is now available.

5. Added browser-name and browser-path to command-line option.

6. Updated to Electron 5.0.1.

7. Fixed some bugs.

New function(v0.22.0)

1. Added "Find ALL" function (Ctrl+Shift+F)

2. Corrected so that volume operation bar and tab preview do not overlap (issue #34)

3. Fixed to not update the address bar automatically while inputting the address bar (issue #35)

4. Fixed some bugs.

New function(v0.21.3)

1. Added "Arrange Panel" function.

2. Improved mobile panel.

3. Improved French translation. (Pull Request #29, #30)

4. Fixed some bugs.

New function(v0.21.2)

1. Added form input history function.

2. Improved to detect mobile panel.

3. Added setting to enable video operation only for URL matching regular expression.

4. Improved auto-suggestion of address bar.

5. Improved French translation. (Pull Request # 27)

6. Updated to youtube-dl 2018.09.01.

7. Fixed some bugs.

New function(v0.21.1)

1. Added local install feature of Chrome extension. (Settings> Extensions) (issue #22)

2. Fixed bug related to multiple languages. (issue #23)

3. Fixed bug that VPN does not work. (issue #26)

4. Fixed bug related to status bar.

5. Fixed a problem that crashes with tab closing. (Interim measures)

6. Updated to youtube-dl 2018.08.22.

7. Updated to inferno.js 5.4.2.

8. Updated to xterm.js 3.6.0.

9. Fixed a lot of bugs.

New function(v0.21.0)

1. Implemented Mobile Panel (similar to Blisk) (Windows and Linux only) (Main Menu > Mobile Panel)

2. Implemented Mobile Sync Scroll (Windows and Linux only) (Main Menu > More Tools > Enable Mobile Panel Sync Scroll)

3. Developer Tools improved docking to window. (Windows and Linux only)

4. Fixed a bug that right-click menu of Developer Tools was not displayed. (Windows and Linux only)

5. Added rocker gesture (Windows only) (Settings > General > Enable Rocker Gestures)

6. Added batch to add to Windows default browser (add_to_default_browser.cmd)

7. Improved to focus on the address bar even when a new tab page does not appear on the top page

8. Implemented status bar function (Window Sub Menu> Always Show Status Bar)

9. Implemented hover function of status bar (Window Sub Menu> Show Status Bar on mouse hover)

10. Updated to Muon customized version 8.0.7. (Chromium 68.0.3440.84)

11. Fixed a lot of bugs.

New function(v0.20.1)

1. Renew "Sync Data" (Add setting page, AES256 encryption of stored data, Select sync data). (* Experimental)

2. "Maximize Panel" is added to the right menu of the tab.

3. "Incremental Import" added for setting import. (* Experimental)

4. Add password to import / export settings.

5. "Show the favicon at the left end of the address bar" added to setting.

6. "Show bookmark add icon on the right end of the address bar" added to setting.

7. Add "Enable smooth scrolling" to setting

8. Updated to Muon 8.0.6. (Chromium 68.0.3440.84)

9. Updated to youtube-dl 2018.08.04.

10. Fixed some bugs.

New function(v0.20.0)

1. Added rectangle selection function.(Alt + Mouse Drag)

2. Localized 200+ items.

3. Added function to save in MHTML when extension is selected as mht or mhtml when saving page. (#16)

4. Added "Maintain fullscreen mode even after page transition" option.

5. Updated to Muon 8.0.3. (Chromium 68.0.3440.75)

6. Fixed bug in download

7. Fixed some bugs.

New function(v0.19.6)

1. Opened the Sushi Browser Tips page (

2. Improved mobile mode so that user agents of various browsers can be selected.

3. Added option to release fullscreen mode when page transition.(Cancel fullscreen mode at page transition)

4. Added setting button for download list display to downloader. (Enable Download List)

5. Added option to delete items from download list when download is completed. (Delete from download list when download is completed)

6. Fixed a bug in tab preview at multi-tab

7. Improved tab preview on vertical tab

8. fixed Hide tabs bug on vertical tab

9. Fixed some bugs.

New function(v0.19.5)

1. Added line number to markdown mode of Note.

2. Added a button (P) to switch the preview mode in markdown mode to tab or vertical.

3. Added button (L) to change markdown line wrapping setting.

4. Fixed bugs related to Note, improved operation.

5. "Sort history in descending order of PV" is added to auto complete setting.

6. Changed to display PV, dwell time, delete button in history at the bottom of Top Page

7. Fixed bug that can not delete theme.

8. Fixed a bug in bookmark drop.

9. fixed Bug of bookmark import.

10. Fixed many download bugs.

11. "Almost the same as as Chrome" was added to "When closing current tab, focus".

12. Fixed bug that Audio Extract, and Video Converter do not start.

13. Fixed Search Highlight bug.

14. Fixed some other bugs.

New function(v0.19.4)

1. Changed default setting values

2. Updated to infernojs 5.3.0.

3. Updated to xterm.js 3.4.0.

4. Fixed some bugs.

New function(v0.19.3)

1. Improved behavior of private tab and Tor tab (top page is displayed, etc.).

2. Change all private tabs to same session.

3. Changed to discard private session when all private tabs are closed.

4. Added items for keyboard shortcuts.

5. Added items for mouse gesture.

6. Added function to output file with Plain Text on Note page.

7. Improved display of setting page.

8. Changed data deleting range of session manager.

9. Improved to be able to delete data by right clicking on the period folder in the session manager.

10. Changed the margin between list items in the sidebar.

11. Updated to Muon 7.1.5.

12. Fixed some bugs.

New function(v0.19.2)

1. Fixed WebExtension function bug.

2. Updated to youtube-dl 2018.07.04.

New function(v0.19.1)

1. Added function to add selected text (HTML) to Note.

2. Added Note function to tool page.

3. Improved to be able to set the range for deleting data.

4. Added deletion function to history page.

5. Added function to display Tor process progress in the location bar.

6. Improved to restore active tab when session is restored.

7. Added option of Show Focus Location Bar of Top Page.

8. Updated to Muon 7.1.4.

9. Fixed bug that chrome extension setting disappears when changing file location.

10. Fixed display defect of multi panel function.

11. Fixed Tor tab's webrtc leak.

12. Fixed a lot of bugs.

New function(v0.19.0)

1. Added Tor browsing function. (new Muon function)

2. Supports Chrome theme. (Download themes from the Chrome Store and add them, add theme setting page)

3. Added General Settings, Bookmarks, Browsing history, Session Manager, Favicon, Download history, Automation, Note import/export function *Experimental

4. Added option to set margin at top of tab bar when unmaximized.

5. Added a function to change the top frame color when the window is out of focus.

6. Updated to Muon 7.1.1.

7. Fixed a lot of bugs.

New function(v0.18.2)

1. Fixed a fatal bug in chrome extension.

2. Fixed some bugs.

New function(v0.18.1)

1. Improve to recreate scroll position when tab restoration.

2. Improved to restore all windows after exiting / restarting browser when "My windows / tabs from last time" is selected.

3. Added Send to URL function to "Settings> Context Menu" (function to send URL to new tab or command).

4. Improved to memorize last selected file, delimiter position with memo function.

5. Added "Circulate Tab Selection" option to "When scrolling over the tab-bar".

6. Added "Display Current Preview" option to "Tab Preview".

7. Updated to Muon 7.0.6.

8. Updated to youtube-dl 2018.06.14.

9. Fixed bug that pdf download error.

10. Fixed a lot of bugs.

New function(v0.18.0)

1. Added note function to sidebar. (using TOAST UI Editor) *Experimental

2. Added a tab trash box(closed tab history).

3. Added tab trash box and download menu to sidebar.

4. Added export / import function set to "Settings> General".

5. Added control option for auto display of download list in "Settings > General > Enable Bottom Download List".

6. Change the layout to divide the session manager by folder every elapsed time.

7. Fixed a problem that volume change function does not work in iframe.

8. Fixed some bugs.