You can sometimes find free comic books on some websites that offer promotions or limited-time free access. But be careful, as not all sources may be legal or safe.
To read a PDF-file online, you need to use some specialized online PDF-readers, which can be downloaded and used for free on the Internet. Here are some commonly used online PDF-readers:
1. Android Reader: Android Reader is a powerful reader that can read, annotate, and edit PDF-files. It's free to download and use, and can be downloaded from the official website of the company.
2. Google Chrome-based browser extension: The Google Chrome-based browser has an extension called the "PDF-reader" that allows you to read PDF-based files. This extension is free to download and use. You can search for it in the browser.
3. The browser extension for FireFox: The browser for FireFox also has an extension called PDF-X that allows you to read and annotate PDF-s. This extension required a fee to download and use.
4. readerio:readerio is a free online reader that can read and manage PDF-files. It supports a variety of file format, including Word documents, Excel documents, pictures and videos.
Using these online PDF-readers, you can choose the reading mode, annotation function, search and filter according to different needs to easily read PDF-files online.
It's possible to read comic books for free online, but you need to be cautious. Some sites might have copyright issues, and the reading experience might not be as good as paid or authorized platforms.
Some popular options for reading free comic books online include Tapas and Comixology. But keep in mind that the availability of free comics may vary, and some might have limited selections.