CSV, Excel, Calc, JSON, XML, TSV simple viewer (v 0.2.0) - Windows 11

- Windows 11 CSV(.csv), Excel(.xlsx, .xls), OpenDocument Spreadsheet Calc(.ods), JSON(.json), XML(.xml), TSV(.tsv) simple viewer

* Version : 0.2.0

* Release date : 2026-07-24 [Y-M-D]

- Patch date : 

 

* Starting with version 0.2.0, the Windows version is distributed as an NSIS installer.

(e.g., dsn-viewer-[version]-Setup_x86_64.exe)

 

 

* This is the latest version. If an error occurs, please refer to the link below for the older version.

(v 0.1.9) http://dasom.net/448 or https://gangserver.tistory.com/448

(v 0.1.8) http://dasom.net/446 or https://gangserver.tistory.com/446

(v 0.1.7) http://dasom.net/424 or https://gangserver.tistory.com/424

 

 

This is a csv, excel, (LibreOffice/OpenOffice) calc, json, xml and tsv simple viewer developed using (pandas + PyQt5 + pyinstaller).

 

[ Download ]

https://drive.google.com/file/d/1a3Bw3vBe17YSLqstO4VJ_XiSxvog1Vf6/view?usp=sharing

When you download the installation file, it will be downloaded with the filename dsn-viewer-[version]-Setup-x86_64.exe. If you run this file in Windows Explorer or similar, the installation will proceed.

 

[ Installation ]

1. Click the next button

 

2. If you change the installation directory, click the Next button after changing the directory.

 

3. Select installation options and click the Next button.

- Program : Installation program

- Shortcuts : Create program start menu and desktop shortcuts.

 

4. Installation complete

 

 

[ Run ]

Click the Start menu or the program shortcut on the desktop.

 

 

[ Running screen ]

* The first line of data is used as the column header name.

 

 

dsn-viewer-0.2.0-Setup-x86_64.exe file sha256 hash value : 056cb1381e700b95a794bdaea943f578e0a5320916ff4afa402fdaf6bf2e8c97

 

 

* To check the SHA256 hash of a file in Windows 11,
use the PowerShell command Get-FileHash <file_path> -Algorithm SHA256. 

Alternatively, use certutil -hashfile <file_path> SHA256 in Command Prompt.

[ Command Prompt ]
C:\Users\gangserver\Downloads>certutil -hashfile dsn-viewer-0.2.0-Setup-x86_64.exe SHA256
SHA256의 dsn-viewer-0.2.0-Setup-x86_64.exe 해시:
056cb1381e700b95a794bdaea943f578e0a5320916ff4afa402fdaf6bf2e8c97
CertUtil: -hashfile 명령이 성공적으로 완료되었습니다.

 

[ PowerShell ]

PS C:\Users\gangserver\Downloads> Get-FileHash dsn-viewer-0.2.0-Setup-x86_64.exe -Algorithm SHA256

Algorithm       Hash                                                                   Path
---------       ----                                                                   ----
SHA256          056CB1381E700B95A794BDAEA943F578E0A5320916FF4AFA402FDAF6BF2E8C97       C:\Users\gangserver\Downloads\dsn-viewe...

 

 

* If an error occurs when running a file on Windows, please refer to the information below.

https://learn.microsoft.com/en-us/answers/questions/2827535/we-used-to-have-to-upon-downloading-a-file-from-an

We used to have to, upon downloading a file from another computer, go to the file's Properties and then go to the General page t

 

 

[ Uninstallation ]

Remove the installed DSN Viewer 0.2.0 from Add/Remove Programs.

 

 

[ Development environment ]

python      : 3.13.x

pandas     : 3.0.3

openpyxl  : 3.1.5
xlrd           : 2.0.2
odfpy        : 1.4.1
python-calamine : 0.8.2

xlsxwriter  : 3.2.9

lxml           : 6.1.1

PyQt5       : 5.15.11
pyinstaller : 6.21.0

 

 

[ Version history ]

0.2.0 (2026-07-24 [Y-M-D])
- Windows : NSIS Installer Packaging

 

0.1.9 (2026-07-22 [Y-M-D])
- Treat text encoding format as user input

 

0.1.8 (2026-07-14 [Y-M-D])
- Python module version upgrade(pandas, python-calamine, lxml, pyinstaller)

 

0.1.7 (2026-04-17 [Y-M-D])
- TSV(Tab-Separated Values) data format(.tsv) support
- Apply background color to the row

0.1.6 (2026-04-08 [Y-M-D])
- Support for multiple sheets in Excel/Calc files
- Fixed an issue where memory continued to increase when opening files
- XML data format(.xml) support

0.1.5 (2026-03-27 [Y-M-D])
- Unify local file and URL open data loading
- Added data conversion function
- Change to Calamine engine when opening Excel/Calc files

0.1.4 (2026-03-23 [Y-M-D])
- Added a view feature using a URL
- JSON data format(.json) support

0.1.3 (2026-03-16 [Y-M-D])
- Data is processed using "UTF-8" encoding by default when loading,
  but if it fails, it is additionally processed using "CP949" encoding.
- Partial modification to reduce data processing speed.

0.1.2 (2026-03-08 [Y-M-D])
- Added search function

0.1.1 (2026-03-04 [Y-M-D])
- Add a toolbar

0.1.0 (2026-03-02 [Y-M-D])
- Initial version