
Visitor Visa
A visitor visa, also referred to as Temporary Resident Visa (TRV) is an official document affixed to an applicant’s passport that implies that the applicant meets all the requirements to enter Canada. Most travelers need a visitor visa to travel to Canada, including transiting through Canada en route to their final destination. A visitor visa can be applied online or by paper.
Eligibility
Some basic requirements need to be met before IRCC grants an applicant a visitor visa. An applicant must:

In some cases, an applicant may need a medical exam and a letter of invitation from someone who lives in Canada.
Electronic Travel Authorization:
Residents of some select nations do not need a TRV to enter Canada. Instead, they might need to get an eTA, also known as Electronic Travel Authorization. An eTA is an entry requirement for visa-exempt foreign nationals who intend to travel to Canada by air and is electronically linked to the traveler’s passport. An eTA is usually valid for five years but can expire earlier in conjunction with the expiry of your passport.
Applying for an eTA is a simple online process that takes little time to complete and is usually approved within a few minutes as per the IRCC website. However, in some cases, it may take days to process if additional documents are required. The application fee for an eTA is $7 CAD.

