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Split Excel File into Multiple Files

Split a large .xlsx into smaller workbooks — by rows per file, number of files, column value (one file per region, team or month) or one file per sheet. Nothing is uploaded.

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Open file (.xlsx, .csv, .json)
Input
Split by
Save as

Files

    Input preview

    Vos données ne quittent jamais votre ordinateur. Tout le traitement se fait localement dans votre navigateur.

    Comment utiliser : Split Excel

    1. Click Open file and choose your .xlsx workbook (or paste cells copied from Excel).
    2. If the workbook has several sheets, pick one — or choose Each sheet to save every sheet as its own file.
    3. Otherwise split by Rows per file, Number of files or Column value.
    4. Download single workbooks or Download all (ZIP). Each file keeps a bold, frozen header row.

    When to split an Excel file

    A shared workbook often needs to become several: one per sales region, one per manager, one per month — or smaller files that an importer, email server or older Excel version will accept. Doing it by hand means filtering, copying and saving over and over. This tool does it in one step.

    Split options

    • Rows per file — fixed-size chunks, e.g. 10,000 rows each for an import limit.
    • Number of files — the rows divided as evenly as possible.
    • Column value — one workbook per distinct value in a column, named after the value.
    • Each sheet — every worksheet saved as its own .xlsx file, the quick way to separate a multi-sheet workbook.

    What is kept and what isn’t

    Values come across as values: numbers stay numeric, dates stay dates and text stays text, and each file gets a bold, frozen header row. Formulas are written as their last calculated results, and formatting such as colors, merged cells and charts is not copied — the goal is clean data files.

    To turn the pieces into other formats, use Excel to JSON or CSV to SQL.

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    Outils complémentaires : Split Excel

    • Split CSV — Break a big CSV into smaller files — every 1,000 rows, into a set number of files, or one file per value of a column such as region or customer.
    • JSON to Excel — Turn a JSON array into a real Excel workbook.
    • CSV to Excel — Turn a CSV into a real Excel workbook.
    • CSV & Excel to HTML Table — Paste spreadsheet cells, CSV or JSON and get semantic, escaped HTML table markup — with an optional ready-made style and a live preview.

    Questions fréquentes

    Is my spreadsheet uploaded?
    No. The workbook is read and split in your browser and never leaves your device.
    Can I save each sheet as a separate file?
    Yes. Open a workbook with several sheets and choose Each sheet — you get one .xlsx per sheet, named after the sheet.
    Are formulas kept?
    Each cell keeps its last calculated value, not the formula. Formatting, charts and merged cells are not copied.
    Does it work with .xls files?
    Old .xls files must first be saved as .xlsx (File → Save As in Excel, Google Sheets or LibreOffice).
    Puis-je installer Split Excel en tant qu’application web et l’utiliser hors ligne ?
    Oui. Split Excel est une application web installable (PWA) : elle s’installe depuis votre navigateur, sans passer par une boutique d’applications. Cliquez sur « Installer l’application » en haut de cette page dans Chrome ou Edge (Windows, macOS, Linux, ChromeOS) ; sur Android, utilisez « Partager » → « Ajouter à l’écran d’accueil » sur iPhone et iPad ; ou « Fichier » → « Ajouter au Dock » dans Safari 17+ sur Mac. L’application s’ouvre alors dans sa propre fenêtre avec sa propre icône, et comme elle s’exécute entièrement dans votre navigateur, elle continue de fonctionner hors ligne. Firefox sur ordinateur de bureau ne permet pas d’installer d’applications web. Comment fonctionne l’installation.

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