- Ubuntu 24.04 CSV (.csv), JSON (.json), Excel (.xlsx, .xls), OpenDocument Spreadsheet Calc (.ods) simple file viewer
* Version : 0.1.6
* Release date : 2026-04-03 [Y-M-D]
* This is the latest version. If an error occurs, please refer to the link below for the older version.
(v 0.1.5) http://dasom.net/418 or https://gangserver.tistory.com/418
(v 0.1.4) http://dasom.net/406 or https://gangserver.tistory.com/406
(v 0.1.3) http://dasom.net/413 or https://gangserver.tistory.com/413
This is a csv, json, excel and (LibreOffice/OpenOffice) calc file viewer developed using (pandas + PyQt5 + pyinstaller).
Due to the 20MB file size limit, the attachments have been split into tar.gz files
(FileViewer.tar.gzaa, FileViewer.tar.gzab, FileViewer.tar.gzac, FileViewer.tar.gzad).
After downloading, launch Terminal, navigate to the downloaded folder, and then execute the following tar.gz unpacking command. The FileViewer executable file will be created. Run this file.
$ cat FileViewer.tar.gz* | tar xvzf -
Please check if the FileViewer file has execution permissions.
If it does not, please add execution permissions as shown below and then run it.
$ chmod u+x FileViewer
[ Running screen ]
* The first line of data is used as the column header name.

FileViewer (v 0.1.6) file sha256 hash value :
a6854304397bf367ab59f3c301bbf1f6389190bad588e8013b2baa6083e5eef6
* To check the SHA256 hash of a file in Ubuntu,
use the Terminal command sha256sum <file_path>
$ sha256sum FileViewer
a6854304397bf367ab59f3c301bbf1f6389190bad588e8013b2baa6083e5eef6 FileViewer
[ Development environment ]
python : 3.12.x
pandas : 3.0.1
openpyxl : 3.1.5
xlrd : 2.0.2
odfpy : 1.4.1
python-calamine : 0.6.2
PyQt5 : 5.15.11
pyinstaller : 6.19.0
[ Version history ]
0.1.6 (2026-04-03 [Y-M-D])
- Support for multiple sheets in Excel/Calc files
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
- Add JSON data type
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