CSV to Excel Converter turns CSV files into XLSX workbooks in the browser. It detects the delimiter automatically and processes files locally, so nothing is uploaded. The tool is free and open source. It suits anyone who needs a spreadsheet file from CSV data, such as people preparing reports or sharing tables. Open the app, load a CSV file, and download the resulting XLSX workbook.
Convert CSV files into XLSX workbooks directly in your browser without uploading data.
What you can do
Convert a CSV file into an XLSX workbook in the browser.
Automatic delimiter detection for CSV files.
Files are processed locally without uploading.
Free and open source.
Publisher / site
CSV to Excel Converter
Category
Utilities
Platforms
Web
Languages detected
en
APP PREVIEWS
See CSV to Excel Converter before you open it.
Browse the available app previews. Select any image to open a larger view.
BEST FOR
Decide whether CSV to Excel Converter fits your needs.
Useful for
Convert a CSV file into an XLSX workbook in the browser.
Automatic delimiter detection for CSV files.
Files are processed locally without uploading.
Free and open source.
Before you choose
Available on Web
The installed identity is derived from the start URL instead of an explicit manifest ID.
INSTALL GUIDE
Install CSV to Excel Converter from its official site.
1
Open the official web app
Use the Open site button above in a current version of Chrome, Edge or Safari.
2
Choose the browser install action
Select Install app, or use Add to Home Screen from the browser share or main menu.
3
Confirm and launch
The installed app opens from the device launcher. Browser and platform support can vary.
PWA AUDIT
How well does CSV to Excel Converter work as an installed app?
The product overview above helps you choose the service. This independent technical section checks its install experience, browser integration and current PWA signals.
CAPABILITY REPORT
Detected web app capabilities.
DeclaredDetectedVerifiedNot found
declared
Standalone app window
Requests the “standalone” display mode when launched.
experience
not found
Advanced window modes
Declares preferred window modes beyond the basic display setting.
experience
not found
Preferred orientation
Requests a preferred device orientation.
experience
not found
Custom launch behavior
Controls how repeated launches reuse or create app windows.
experience
detected
Service worker detected
Registration appears in the page source; offline behavior still needs a runtime test.
experience
not found
App shortcuts
Offers quick actions from the installed app icon.
integration
not found
Share target
Can receive content from the operating system share sheet.
integration
not found
File handlers
Can register supported file types with the operating system.
integration
not found
Protocol handlers
Can open supported custom link protocols.
integration
not found
Related native app
Links the PWA to a related application on another platform.
integration
not found
Install previews
Provides screenshots for richer installation prompts.
presentation
declared
Adaptive Android icon
A maskable icon can fill different launcher icon shapes.
presentation
not found
Monochrome icon
Provides a themed single-color icon for supported surfaces.
presentation
APP IDENTITYComputed from start URLhttps://turhe123.github.io/csv-to-excel-local/
