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XLSX to CSV Converter

Convert Excel workbook files to Comma-separated values — free, private and right in your browser.

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Max 100 MB per file · XLSX

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    Free No watermark No sign-up Files never uploaded
    Old formula results?Open and save the workbook in Excel first.
    Helper sheets?Delete sheets you do not want to export.
    Dates look odd after import?Check the importer’s date format.

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    How to convert XLSX to CSV

    1. Select your Excel files.Add the .xlsx workbook you want to import somewhere.
    2. Click Convert to CSV.Values are kept; formulas, colours and charts are not.
    3. Download your CSV file.Each sheet is saved as its own CSV file.
    4. Check the values.Each sheet becomes its own CSV file.

    About XLSX to CSV

    When is it useful? XLSX to CSV exports Excel data into CSV, the plain-text format that databases, websites, email tools, Tally and most software use for importing contacts, products or records.

    Good to know: each sheet in the workbook becomes its own CSV file. CSV stores values only — formulas, colours, merged cells, charts and pictures are not kept, and formula cells show the last result saved by Excel. Every row gets the same number of columns, so the file imports cleanly.

    Tips for Better Results

    • Open and save the workbook in Excel first so formula results are up to date.
    • Delete helper sheets you do not want to export.
    • Check how the importing software expects dates and decimal separators.

    Frequently Asked Questions

    Do I get one CSV per sheet?
    Yes. Each sheet in the workbook becomes its own CSV file.
    What do formula cells show?
    The last result saved by Excel. Open and save the workbook first for fresh results.
    Are merged cells and pictures kept?
    No. CSV stores values only.
    Will the file import cleanly?
    Yes. Every row gets the same number of columns.
    Works with: Databases · websites · email tools · Tally

    What converts well, and what doesn't

    Your workbookResult in CSV
    Each sheetIts own CSV file
    ValuesKept — formulas, colours, charts are not
    Formula cellsShow the saved result
    Merged cells and picturesNot kept
    Every rowGets the same number of columns
    💡 Tip: Check how the importing software expects dates and decimal separators.

    Common uses

    DatabasesImport records.
    WebsitesUpload product lists.
    Email toolsImport contacts.
    TallyImport accounting data.
    Online shopsBulk upload products.
    SoftwareFeed data to programs.

    Is my file safe?

    Browser processing: your files are processed on your own device and are never uploaded to our server.

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    Guide

    XLSX to CSV: a complete guide

    Why export Excel to CSV

    Most systems that import data — online shops, email marketing tools, CRMs, accounting and billing software, databases and banking portals — ask for CSV, not Excel. CSV is plain text that every program understands.

    What happens when you convert

    Your .xlsx workbook is read in the browser and each sheet is saved as its own CSV file, named after the workbook and the sheet. Values are written with proper quoting where they contain commas or quotes, and every row gets the same number of columns so the file imports cleanly.

    What CSV keeps and loses

    CSV keeps only cell values. Formulas are replaced by the last result Excel saved; formatting, colours, merged cells, column widths, charts, pictures and comments are dropped. Hidden rows and columns are included as normal data.

    Common problems and how to fix them

    A formula cell is empty: the workbook was created by a program that did not save results — open and save it in Excel, then convert again. Dates look different: CSV stores dates as text; format them as the importing system expects before converting. The importing system shows broken characters: make sure it reads the file as UTF-8.

    Good habits

    Remove helper and summary sheets you do not want to import, check the first few rows of the CSV in a text editor, and keep the original workbook.

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