Celestia

Author Celestia
Default File Extension .CELX
Popularity 5.0 (1 Votes)
License Freeware
Category Educational

About Celestia

Celestia is software program developed by Celestia under Freeware license and categorised as Educational software programs. Celestia primary supported file format is .CELX and can open other related file types, please see the complete list of all supported file formats by Celestia.

For more details, features and authorized downlink, please visit the official publisher website.

CELX Free online Apps & Tools

We have also gathered the free online .CELX (Celestia) apps that can allow to view, edit, convert from to CELX, merge, split and compare the CELX files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

Celestia Supported Platforms

Celestia supported platforms.

Celestia Supported File Types

Celestia default file extension is .CELX and other Celestia supported extensions are:

About Licensing
  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.
Updated 7/1/2025