100% free · No in-app purchases

Sheetio: XLSX, XLS & CSV Viewer

No ads. No account. Works offline.

Open Excel, OpenDocument and CSV spreadsheets in a second, read them comfortably on your phone or tablet, and get back to your day.

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Free to use, with every feature included. No subscription, no sign-in, no "upgrade to view" screens.

Sheetio home screen with the Open spreadsheet button and a list of recent files
A household budget spreadsheet open in Sheetio, with currency values and sheet tabs

Made for reading spreadsheets on a phone

Tap a file. It opens.

Got a spreadsheet as an email attachment, a WhatsApp or Telegram message, or a download? Tap it, choose Sheetio, and it opens.

All common spreadsheet files

XLSX and XLSM (Excel 2007 and later), XLS (Excel 97–2003), ODS (LibreOffice, OpenOffice) and CSV or TSV, with automatic delimiter and encoding detection. Password-protected files open too.

Pinch to zoom

Smooth scrolling and zoom, even on large sheets. Double-tap to zoom in and out.

Search

Find any text in the sheet and jump between matches.

Frozen headers

Freeze the header row, or keep the freeze panes saved in the file.

Looks like the original

Merged cells, column widths, hidden rows, number, currency, percentage and date formats.

Print or save as PDF

With the header row repeated on every page.

Copy & share

Long-press a cell to copy its value, or share the original file with any app.

Open in a tap

Numbers, dates and totals, as in the file

Sheetio shows your workbook the way it was made, with sheet tabs to switch between worksheets.

  • Currency, percentage and date formats displayed correctly
  • Formulas show the results saved in the file
  • Recent files on the home screen, so you can reopen a file in one tap
A sales report with region sheet tabs

Find anything, fast

Search every cell

Type a word and Sheetio highlights every match, then jumps from one to the next.

Search for Lisbon in a trip planner, with matches highlighted

Headers stay in place

Scroll long sheets without losing track

Frozen rows and columns saved in the file stay put while you scroll. Or freeze the header row yourself from the menu.

Class grades with the student column and header row frozen, in the dark theme

Phones and tablets

See the whole sheet

On a tablet, Sheetio uses the extra room to show wide sheets at a glance, with your recent files right next to the Open button on the home screen.

A household budget spreadsheet on a tablet

Private by design

Your spreadsheets never leave your phone

Sheetio doesn't even have the internet permission, so your files cannot leave your phone through it.

Fully offlineNo internet access at all. Everything happens on your device.
No ads, no accountNo analytics, no tracking, no sign-in.
No storage permissionSheetio only sees the files you choose to open.
No cloud backupYour recent files stay on your device and are never backed up.

Take a look

See Sheetio in action

Fast and private. In light and dark.

Good to know

A viewer, on purpose

Your files are never changedSheetio opens and displays spreadsheets but doesn't edit them.

Formulas show saved resultsIf a file was saved without results, Sheetio shows the formula instead of a blank cell.

Password-protected filesEnter the password and the file opens. The password is never saved. A few rarely used encryption types, such as LibreOffice's newer whole-file encryption, can't be opened yet.

Charts and imagesCharts and images inside workbooks are not shown.

The simple way to open a spreadsheet

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