Sigil

Sigil software icon
  • Developer -
  • Platforms Desktop
  • Operating Systems Windows and Mac OS
  • Supported formats 2
  • Rating
    4.8 (41 vote)

Sigil works with 2 different file extensions, providing the ability to open, edit, and convert files. The table contains information on the program’s features and the extensions it can work with.

Sigil offers full support for multiple extensions, enabling efficient daily file management. Easily open files in EPUB, HTML and other popular formats using this tool.

Convert files easily with Sigil from one format to another for seamless sharing across platforms.

Access the official- website to download the newest Sigil version.

Convert files using Sigil

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Troubleshoot Sigil

How do I designate Sigil as the default program to open files?

Set default programs for Windows

  1. Start by right-clicking on your file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
  2. In the pop-up window, find and select the Sigil application from the available options;
  3. Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening files.

Change the default app for a file type in Mac

  1. Right-click or Control + left-click on the desired file to open a menu of available actions;
  2. Choose "Open in Application" and click "Other";
  3. Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
  4. In this menu, select "All Programs", then find Sigil and check the box next to "Always open in the application."

What are the reasons behind Sigil crash?

Insufficient software updates can contribute to Sigil crash. To avoid this, make sure that you have installed the latest updates for developer products.