Download Kertas Office
We picked the installer for your computer. Every release, with full notes, is listed in the changelog.
This is the Apple silicon (M1 and later) version. On an older Intel Mac, download the Intel version.
- Open the downloaded Kertas-Office-Setup.exe.
- If Windows SmartScreen says it protected your PC, click More info, then Run anyway. Why?
- Windows shows the publisher as SignPath Foundation. Click Yes.
- Choose a folder, or keep the default, and finish. No administrator rights are needed.
- Open the downloaded .dmg file.
- Drag Kertas Office into the Applications folder.
- Open it from Applications. macOS asks once whether to open an app downloaded from the internet; click Open.
- AppImage: make the file executable (right-click, Properties, Permissions), then double-click it.
- Ubuntu or Debian: open the .deb with your software centre, or run sudo apt install ./kertas-office-amd64.deb.
- Kertas appears in your applications menu under Office.
All platforms
Every file is built automatically from the public source on GitHub. All files and checksums · Older versions · Source code (zip)
System requirements
No internet connection is needed to use Kertas. macOS builds are signed and notarized by Apple. Opening older .doc and .xls files with full formatting works best when LibreOffice is also installed; without it, their text and data still open.
Verify your download
Each release lists a SHA-256 checksum for every file on GitHub. To compare on Windows, open PowerShell in your Downloads folder and run:
The Windows installer is signed by SignPath Foundation, which confirms it was built from the Kertas Office public repository. To check, right-click the file, open Properties, then Digital Signatures, or run:
What's new
- PDFEdit existing text, digital signatures, OCR, convert to Word and Excel
- WriterTrack changes, equations, citations, mail merge, templates
- SheetsCharts, PivotTables, sparklines, conditional formatting, templates
Kertas is free and supported by the people who use it. Contributions pay for code signing and development time.