XLSX to CSV
XLSX to CSV is a free online document converter for changing XLSX and XLS files into CSV files. XLSX to CSV accepts 4 MIME types, returns text/csv, includes 1 setting, and runs in your browser on the device.
Drop .xlsx / .xls file here
or click to choose
Options
Key facts
- Input
- 2 formats: XLSX and XLS (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, application/octet-stream, )
- Output
- CSV (text/csv)
- Runtime
- your browser on the device
- Settings
- 1 control: Sheet name
- File mode
- 1 input file creates 1 output file
- Cost
- $0, no account required
How to use XLSX to CSV
- 1
Open your XLSX, XLS file
Drop your XLSX, XLS file onto the page, or click to browse and pick one from your device.
- 2
Choose options
Adjust the conversion options to suit your needs. Defaults work well for most inputs.
- 3
Convert and download
Click Convert. Your CSV file is ready to download in seconds.
XLSX to CSV details
First, XLSX to CSV reads XLSX and XLS source files and prepares CSV output for the document workflow. Next, The visible controls are Sheet name. Additionally, Files and text stay in the browser session.
Drop in a.xlsx or.xls workbook and download a CSV. By default the first worksheet is exported; specify a sheet name in the options to pick a different one. Formulas are evaluated to their cached values; dates are rendered as ISO-like strings. Output uses standard RFC 4180 quoting. Conversion runs entirely in your browser; your workbook never leaves your device.
Common searches
- xlsx to csv
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- excel to csv
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Related tools
Tools that work with the same formats — most users open one of these next.
CSV to XLSX
Convert a CSV file into an Excel .xlsx workbook — free online, no upload.
XLSX to JSON
Convert an Excel spreadsheet (.xlsx / .xls) to pretty-printed JSON — free online, no upload.
JSON to XLSX
Convert a JSON file into an Excel .xlsx workbook — free online, no upload.
JSON to CSV
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YAML to CSV
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TSV to CSV
Convert a tab-separated file to standard CSV — free online, no upload.
Frequently asked
What is XLSX to CSV?
XLSX to CSV is a free online document converter for changing XLSX and XLS files into CSV files. XLSX to CSV accepts 4 MIME types, returns text/csv, includes 1 setting, and runs in your browser on the device.
What files does XLSX to CSV accept and create?
XLSX to CSV accepts XLSX, XLS files (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, application/octet-stream, ) and creates CSV files (text/csv). The page includes 1 setting: Sheet name.
Do my files and data stay private?
Yes. XLSX to CSV runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use XLSX to CSV?
Open XLSX to CSV, drop in your XLSX, XLS file, choose any options, and click Convert. Your browser does the work locally and produces a CSV file you can save right away.
What is the maximum file size for XLSX to CSV?
Because XLSX to CSV runs in your browser, the maximum size depends on your device's available memory. Most modern phones and laptops handle files up to a few hundred MB without issues.