CSV to XLSX

Convert CSV files to Excel XLSX format with automatic encoding detection

As of June 2026, CSV to XLSX has 105 users in the Productivity category.

Usersup 52.2 percent+52.2%
105
105
Ratingno change0%
— reviews
Reviewsno change0%
Version
2026.5.4.1230
Manifest V3
90-day change · In the last 90 days this extension 1 version update.

History

12 snapshots

Tracking since Apr 3, 2026.

110.048865.96Apr 3, 2026Jun 12, 2026
View as table
DateUsersRatingReviewsVersion
Apr 3, 2026692026.03.16.890
Apr 17, 2026712026.03.16.890
Apr 23, 2026772026.03.16.890
Apr 28, 2026812026.03.16.890
May 8, 2026792026.03.16.890
May 11, 2026802026.5.4.1230
May 15, 2026922026.5.4.1230
May 19, 20261002026.5.4.1230
May 28, 2026992026.5.4.1230
Jun 2, 20261022026.5.4.1230
Jun 7, 2026992026.5.4.1230
Jun 12, 20261072026.5.4.1230
Now1052026.5.4.1230

Changelog

  • May 8, 2026
    name
    CSV to XLSX Converter [ShiftShift]
    CSV to XLSX

Permissions & access

Permissions
storage
Host access
None declared

Screenshots

CSV to XLSX screenshot 1CSV to XLSX screenshot 2CSV to XLSX screenshot 3CSV to XLSX screenshot 4CSV to XLSX screenshot 5

About

Convert CSV files to Excel XLSX format instantly with this powerful CSV to XLSX converter Chrome extension. This tool helps you transform comma separated value files into professional Excel spreadsheets with automatic encoding detection, delimiter recognition, and proper formatting that preserves all your data accurately.

Do you struggle with CSV files that display incorrectly in Excel due to encoding issues? Are you tired of manually configuring delimiters and character sets for each file? This CSV to XLSX converter solves these problems by automatically detecting file encoding and delimiters, ensuring your data converts perfectly every time.

Key benefits of this CSV converter extension:

1️⃣ Convert multiple CSV files to XLSX format simultaneously
2️⃣ Automatic encoding detection supports UTF-8, Windows-1251, Windows-1252, and ISO-8859-1
3️⃣ Intelligent delimiter recognition identifies commas, semicolons, tabs, and pipe characters
4️⃣ Preserves all data integrity with proper character encoding handling
5️⃣ Works completely offline in your browser with no data uploads required

How this Excel converter works step by step:

➤ Drag and drop CSV files or click to browse and select files
➤ The tool automatically detects encoding and delimiter settings
➤ Click convert to transform your CSV files into XLSX format
➤ Download converted Excel files immediately with one click

This CSV to Excel converter handles various file formats and character encodings seamlessly. The automatic detection technology analyzes your files to determine the optimal settings, eliminating guesswork and manual configuration.

Who should use this CSV file converter:

▸ Data analysts converting CSV exports from databases and systems into Excel
▸ Business professionals working with CSV reports that need Excel formatting
▸ Researchers processing CSV data files for analysis and visualization
▸ Administrators handling CSV files from different sources and regions
▸ Anyone who needs reliable CSV to XLSX conversion without software installation

Common use cases for this convert CSV tool:

• Transform database exports into Excel spreadsheets for reporting
• Convert CSV files with special characters and international text correctly
• Process multiple CSV files at once for batch conversion workflows
• Handle CSV files from different systems with varying delimiter formats
• Create Excel files from CSV data without losing formatting or characters

This XLSX converter provides detailed information about each conversion. See file sizes, row counts, column counts, and detected settings at a glance. Understanding these metrics helps you verify conversion accuracy.

Access this tool instantly using the ShiftShift command palette. Three ways to open:

1. Double-tap Shift key quickly from any webpage
2. Press Cmd+Shift+P on Mac or Ctrl+Shift+P on Windows and Linux
3. Click the extension icon in your browser toolbar

Navigate the command palette effortlessly with keyboard shortcuts:

- Arrow keys Up and Down to move through the list
- Enter to select and open items
- Esc to go back or close the palette
- Type to search across all your installed tools

Customize your experience through Settings accessible from the command palette:

▸ Theme options: Light, Dark, or System automatic
▸ Interface language: Choose from 52 supported languages
▸ Sorting: Most Used frequency-based or A-Z alphabetical

Questions about this CSV to XLSX converter:

Does it work offline? Yes, this extension processes files entirely in your browser. No internet connection required after installation.

What encodings are supported? This CSV converter supports UTF-8, UTF-8 with BOM, Windows-1251, Windows-1252, and ISO-8859-1 encodings. Automatic detection handles most common file formats used worldwide.

How accurate is the conversion? The Excel converter preserves all data exactly as it appears in your CSV files. Character encoding detection ensures special characters and international text display correctly.

Privacy and security remain priorities in this CSV file converter. All processing happens locally in your browser with no external servers involved. Your files stay private on your device. No data collection, no tracking, no cloud uploads required.

The extension works efficiently with files of various sizes. Small files convert instantly while larger files process smoothly without freezing your browser. Lightweight design ensures minimal impact on browser performance.

Install this CSV converter Chrome extension today and transform how you work with CSV files. Stop struggling with encoding issues that corrupt your data. Start converting CSV to Excel instantly with reliable results.

Technical

Version
2026.5.4.1230
Manifest
V3
Size
990KiB
Min Chrome
88
Languages
52
Featured
Yes

Metadata

ID
maegpdgafnnbhhdfomdkalpkekfnjolj
Developer ID
u51efa56479108cb93f98d6e0a59f62df
Developer Email
[email protected]
Created
Nov 19, 2025
Last Updated (Store)
May 5, 2026
Last Scraped
Jun 12, 2026
Website
shiftshift.app

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Data sourced from the Chrome Web Store · last verified Jun 12, 2026.