There are so many impact factors like cosmos impact factor, GIF, IF evaluated by Google scholars. Suggest me which one is the best for choosing a journal.
In fact, I cannot suggest which Impact Factor is the best for choosing a journal. You may check with Scopus Scientific Journal Rankings through the following link:
I do not worry so much about impact factors - they is only a history-based prediction of how well a paper published in the journal will be cited once accepted and published.
But a paper will not be cited anyway if it is not interesting - and also a paper in a low-impact journal can become well cited. I guess there are fewer and fewer researchers that read a specific journal from cover to cover every time there is a new issue. Other researchers just google and care more about interesting content than high impact.
You should be more aware of if a journal is a predatory and fake journal or not.
Choose also between open journals and restricted pay-journals. Most old and reputable are in the restricted pay-sector, and many predatory journals hide among the open journals. However, there are very good open journals as well, if you want to be read also by researchers in countries with poor universities that do not have the funds for these pay-journals. I feel it as a moral obligation to share my research to all possible readers, as I hope it is important. See a directory over open journals here: https://doaj.org/
Anoither recommendation is to look at the reputable Norwegian classification of journals in two categories of quality more generally. Category 1 means good journals, category 2 means excellent journals. If you do not find a journal here https://dbh.nsd.uib.no/publiseringskanaler/Forside.action?request_locale=en - be very cautious.
Well some scholars look at the h-index which projects the frequency of citation in a journal or 'academic literature database' for example a h-index of 1 implies number of citation and number of article. However, articles published in Scopus and ISI index journal are considered to be of higher academic value.