Am I eligible to extend my 30-day tourist visa to a 60-day extension without an embassy letter?

The user inquired about the possibility of extending their 30-day tourist visa by an additional 60 days without requiring a letter from the embassy. The response indicated that the decision may depend on the specific immigration office in Thailand, with some potentially allowing the extension without the letter while others may insist on it. It's advisable to check with the local immigration office or seek advice from community groups.