Online/Web Installer
Online/web installer is a small setup which downloads the remaining components after it is run. You need Internet access every time you want to install the Web/Online Installer of any program or software.
Advantages
The Online Installer of any program downloads the updated software or tool.It downloads the small file first, and then while installation, you can have access to download only the few or required components of that particular software or tool.These are good for fast internet connection.The Online Installer checks your system requirements first and then download the tool supported on your system. Whether the 32-bit or 64-bit.The Online Installer is good if you are planning to download the single component of any software or program.
Disadvantages
Internet Connection is required for installation of the Online Installer software.You have to download and install the Online Installer for every computer or device separately.Online Installer cause problems with System infected by viruses or threatsIf your Internet connection gets interrupted, the downloading of Online Installer is affected due to this.No pause or resume option is available for downloading of Online Installer.
Offline Installer
The Offline Installer is the standalone installer for any program or software, that is downloaded completely on one time download. And when you run the offline installer, the installation will be done offline. Because the complete software is downloaded on the first time of download. So no need of Internet while installing the Offline Installer of any program or software.
Advantages
Offline Installers are a standalone setup of any program or software.No internet access is required to for the installation of Offline InstallerIt takes less time while installationYou can use the same setup for the installation of the particular program on as many devices as you want.The Pause and Resume option is available while downloading the Offline Installer of any program or software.
Disadvantages
File size is large when you download the Offline Installer of any software.The Offline Installers are not good for users who are using the limited data plan of their InternetThe updates are downloaded manually when available, after the installation of Offline Installer of any program or software.
I hope above discussion provides you detail information about what exactly the Offline Installers and Online Installers are. Online Installers are mostly used and applicable for non-commercial purposes and Offline Installers are for organizational purposes who need the same tool and software for many Systems. If something more valuable information you may know about Online and Offline Installers, please share with us in the comments below. Also see:
Download TeamViewer Latest Version Offline Installers22 Bootable Antivirus Rescue Disks (ISO) Download ListAre Windows Preview Optional Updates (Type C/ Type D) Worth Installing?Email Attachment Limits For Gmail, Outlook.com, Yahoo, Outlook, iCloud, Facebook and WhatsAppDownload Windows 10 ISO Files (Direct Download Links)