Search Extensions


104 projects matching your criteria.

  • NCE-Units

    10 0
    Nov 21, 2017 in Calc Extension

    Provides a function that converts quantities expressed in various systems of measurement to their equivalents in other systems of measurement.

  • MyParts

    9 1
    Nov 12, 2015 in Calc Extension

    A simple electronic parts inventory tool (plugin for LibreOffice Calc)

  • DateTime2

    9 1
    Sep 24, 2011 in Writer Extension, Calc Extension

    Version 2.0.3 2008-10-13 Provides six functions to insert date or time or timestamp, as text / string or field / value, in Writer / Calc, Pre-formatted to user needs ( ISO8601 format, adjustable) with German locale strings, English format notation in source: just un-comment.

  • Tools For Calc Edit

    8 0
    Jan 19, 2015 in Calc Extension

    [En] Add options in Edit menu. [Es] Agrega opciones al menu Editar.

  • Numerics for Chemical Engineering

    8 1
    Aug 05, 2016 in Calc Extension

    NCE provides several functions and data banks applicable to chemical and process engineering calculations.

  • grapheur-mecomsci

    8 2
    Aug 06, 2014 in Calc Extension

    Grapheur-mecomsci génère des graphiques scientifiques d'apparence soignée This extension allows you to create well formated graphic and allows you to draw a polynomial curve.

  • Writer2xhtml

    6 0
    Oct 12, 2018 in Writer Extension, Calc Extension

    Writer2xhtml is a collection of export filters to EPUB, HTML5, XHTML and XHTML+MathML

  • Links to images

    6 0
    Nov 28, 2011 in Calc Extension

    In Calc, replace links with images.

  • Java Time Zones

    6 0
    Oct 31, 2011 in Calc Extension

    Converts dates between time zones. Re-formats dates. Performs date arithmetic according to calendar.

  • FirmaconDike

    6 0
    Dec 23, 2014 in Writer Extension, Calc Extension

    Firma digitale su LibreOffice.

    Questa estensione aggiunge un nuovo pulsante nella barra degli strumenti di LO per firmare digitalmente i documenti utilizzando "Dike" (un software creato da InfoCert SpA, comunemente usato nell Pubbliche Amministrazioni italiane).

    Hanno contribuito: Andrea Castellani, Alfredo Parisi, Sonia Montegiove

    Questa estensione è free-software rilasciato in licenza GNU GPL.


    Digital signature on LibreOffice.

    This extension add a new button in LO toolbar to sign documents digitally using the software "DiKe"  (a software created by InfoCert S.p.A. commonly used in Italian Public Administrations)

    This extension is free-software licensed under GNU GPL.

Install Instructions

To install an extension, follow these steps:
  • Download an extension and save it anywhere on your computer.
  • In LibreOffice, select Tools --> Extension Manager from the menu bar.
  • In the Extension Manager dialog click Add.
  • A file browser window opens. Navigate to the folder where you saved the LibreOffice extension file(s) on your system. The extension's files have the file extension 'OXT'.
  • Find and select the extension you want to install and click Open.
  • If this extension is already installed, you'll be prompted to press OK to confirm whether to overwrite the current version by the new one, or press Cancel to stop the installation.
  • After you are asked whether to install the extension only for your user or for all users. If you choose the Only for me option, the extension will be installed only for your user. If you choose For all users, you need system administrator rights. In this case the extension will be available for all users. In general, choose Only for me, that doesn't require administration rights on the operating system.


Extensions add new features to your LibreOffice or make the use of already existing ones easier.