Online XLSX Editor

Edit XLSX file online from any device with a modern browser like Chrome and Firefox.

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If you need to edit documents in different formats using only the usual browser like Chrome, Firefox or Safari, without installing any editing software like Microsoft Office or OpenOffice, then XLSX Editor App is exactly what you need!

With our XLSX Editor App, which is absolutely free and doesn’t require registration, you can easily drag and drop the required file on upload form, edit its content right here in the browser, and then download the edited version in order to save it locally. Even more, you’re not forced to download the resultant file in the same format as you’ve uploaded it, — you’re able to choose any appropriate one! For example, you can upload a document in RTF format, edit it, and save as DOCX.

WYSIWYG-editor with its toolbar adapts to the specific format of an uploaded document, enabling those features and possibilities, which are actual for only this format and disabling those, which are not related. In particular, for Spreadsheet documents like XLSX, ODS, and CSV, there will be navigation between worksheets (tabs). For all document content the table editing mode will be enabled, but it is not possible to create new tables (because all content is the one single table) as well as the lists.

This online editor, because of its web-based nature, is absolutely portable and multi-platform — you only need a usual web-browser without any plugins, and no matter on which platform you’re using it: desktop PC or smartphone, Windows, Linux, or macOS, Android or iOS.

XLSX Microsoft Excel Open XML Spreadsheet

XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.

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How to

How to view, edit, download XLSX files online using Editor App

  • Click inside the file drop area to upload a XLSX file or drag & drop a file.
  • File will be automatically rendered for you to view/edit/download instantly.
  • View & edit document.
  • Download the original XLSX file.
  • Download the edited XLSX file.
  • Download the edited XLSX file as PDF.

Other Editor file formats

You can also edit many other file formats. Please see the complete list below.

TXT (Plain Text File)
MOBI (Mobipocket eBook)
HTM (Hypertext Markup Language File)
HTML (Hypertext Markup Language File)
XML (XML File)
XML (Excel 2003 XML (SpreadsheetML))
PPT (PowerPoint Presentation)
PPTX (PowerPoint Open XML Presentation)
PPS (PowerPoint Slide Show)
PPSX (PowerPoint Open XML Slide Show)
FODP (OpenDocument Flat XML Presentation)
ODP (OpenDocument Presentation)
POT (PowerPoint Template)
PPTM (PowerPoint Open XML Macro-Enabled Presentation)
POTX (PowerPoint Open XML Presentation Template)
POTM (PowerPoint Open XML Macro-Enabled Presentation Template)
PPSM (PowerPoint Open XML Macro-Enabled Slide)
OTP (OpenDocument Presentation Template)
XLS (Excel Spreadsheet)
XLT (Microsoft Excel Template)
XLTX (Excel Open XML Spreadsheet Template)
XLSM (Excel Open XML Macro-Enabled Spreadsheet)
XLSB (Excel Binary Spreadsheet)
XLAM (Microsoft Excel Add-in)
XLTM (Microsoft Excel Macro-Enabled Template)
CSV (Comma Separated Values File)
TSV (Tab Separated Values File)
ODS (OpenDocument Spreadsheet)
OTS (OpenDocument Spreadsheet Template)
DOC (Microsoft Word Document)
DOCX (Microsoft Word Open XML Document)
DOCM (Word Open XML Macro-Enabled Document)
DOT (Word Document Template)
DOTX (Word Open XML Document Template)
DOTM (Word Open XML Macro-Enabled Document Template)
RTF (Rich Text Format File)
ODT (OpenDocument Text Document)
OTT (OpenDocument Document Template)
FODS (OpenDocument Flat XML Spreadsheet)
SXC (StarOffice Calc Spreadsheet)
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