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XLSX to CSV Converter — Fast & Free | 1converter Deutsch
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  2. XLSX to CSV

XLSX to CSV Converter — Fast & Free Online

Convert Excel spreadsheets to CSV format for universal data compatibility and easy import into databases.

FromXLSXToCSV
Convert XLSX to CSV Now
100% Free
Secure & Private
Fast Conversion
1CONVERTER Document Team - 1CONVERTER Team Logo
1CONVERTER Document Team·Document Processing Experts·Updated Mar 15, 2026
Official

How to Convert XLSX to CSV

Follow these simple steps to convert your XLSX files to CSV format in seconds

1

Step 1

Upload your XLSX file

2

Step 2

Select CSV as output format

3

Step 3

Choose delimiter (comma, semicolon, tab)

Visual Conversion Preview

xlsx

Source file

Size:2.4 MB
Format:XLSX

Converting...

~5s

csv

Output file

Size:

Why Convert XLSX to CSV?

Discover the advantages of converting your XLSX files to CSV format

Universal compatibility

Works with all spreadsheet software

Database import

Easy import into SQL, MySQL, PostgreSQL

Smaller file size

Plain text format is lightweight

Popular Use Cases

See how professionals use our XLSX to CSV converter in real-world scenarios

1

Importing data into databases

Convert XLSX to CSV for this purpose quickly and easily.

2

Sharing data across different platforms

Convert XLSX to CSV for this purpose quickly and easily.

Related Conversions

Explore other popular file conversion options

CSVXLSX

Convert CSV to XLSX

Online CSV to XLSX converter. Fast, free, and secure conversion.

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XLS

Frequently Asked Questions

Everything you need to know about converting XLSX to CSV

No, CSV only stores values. Formulas will be converted to their calculated results.
By default, only the first sheet is converted. Pro plans allow selecting which sheet to convert.
No, CSV is plain text. All formatting (colors, fonts, borders) will be lost. Only data and text are preserved.

Still Have Questions?

Our support team is here to help you with any questions about XLSX to CSV conversion.

Contact SupportView All FAQs
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4

Step 4

Click "Convert"

5

Step 5

Download your CSV file

Average conversion time: Less than 2 minutes

1.2 MB
Saved:-49%
49%
Size Reduction
5s
Processing Time
99%+
Quality Retained

This visualization shows the XLSX to CSV conversion process. A source XLSX file of 2.4 MB is converted to CSV format resulting in 49% file size reduction while retaining 99%+ quality. The conversion takes approximately 5s.

Version control friendly

Easy to track changes in Git

Programming friendly

Simple to parse in any language

Additional Features

200+
Supported Formats
243+
File Formats
<2 min
Average Time
24/7
Available
3

Data analysis with Python/R

Convert XLSX to CSV for this purpose quickly and easily.

4

Version controlling data changes

Convert XLSX to CSV for this purpose quickly and easily.

5

Simplifying complex spreadsheets

Convert XLSX to CSV for this purpose quickly and easily.

Trusted by Professionals In

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CSV

Convert XLS to CSV

Online XLS to CSV converter. Fast, free, and secure conversion.

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Convert XLSX to TXT

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CSVJSON

Convert CSV to JSON

Online CSV to JSON converter. Fast, free, and secure conversion.

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XLSXPDF

Convert XLSX to PDF

Online XLSX to PDF converter. Fast, free, and secure conversion.

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Can't Find Your Conversion?

We support 200+ file formats. Browse our complete list of conversions or start converting now!

Start ConvertingView All Formats

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