Airport transit without a visa
Transit without a visaTravellers of any nationality who do not leave the international transit area qualify.

Brazil visas
Travellers of any nationality who do not leave the international transit area qualify.
Travellers who need a visa to enter Brazil can use a visitor visa for transit.
Nationals of Australia, Canada and the United States can apply online for a visitor visa covering transit.
Passports that qualify (3)
Travellers who leave the international transit area and do not qualify for visa-free entry need permission to enter Brazil.
Travellers of every nationality can transit without a visa if they stay in the international transit area.
Travellers who leave the international transit area and do not qualify for visa-free entry need permission to enter Brazil. Travellers of every nationality can transit without a visa if they stay in the international transit area.
There are 3 options: Airport transit without a visa (transit without a visa); Visitor visa for transit (VIVIS) (a visa from an embassy); Online visitor visa for transit (an online visa).
Yes: Online visitor visa for transit. Nationals of Australia, Canada and the United States can apply online for a visitor visa covering transit.
Yes, staying in the international transit area is allowed for most travellers. To leave the airport: If you leave the international transit area, the airport transit exemption no longer applies. You must qualify for entry without a visa or hold a suitable visa.
Stay in the international transit area to use the airport transit exemption.
Yes. Rules depend on the country that issued your passport. Open the Brazil visa page and choose your passport for a plain answer.
Yes. Officials can refuse a visa or entry, even after you apply. Give true answers, bring the documents asked for, and keep proof of your onward trip and money.
On Brazil's official immigration or foreign ministry website, or at its embassy. Rules change, so check close to your trip.
Often you cannot switch visa type inside the country. Ask the immigration office before you travel if you might need to.
Reviewed by @snuck