Visa to thailand

1.    THAI VISA EXEMPTIONS: 
The Visa Exemption rule allows tourists from 64 countries to enter Thailand without applying for a visa. Travelers can visit Thailand for up to 30 days if they are entering Thailand through an international airport or land border checkpoint from a neighboring country. 
Passport holders of the following countries/ territories may enter Thailand without a visa: 
Free visa for 14 days: Cambodia, Myanmar ( International Airport only) 
Free visa for 30 days: Australia, Austria, Belgium, Bahrain, Brunei, Canada, China, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Indonesia, Ireland, Israel, Italy, Japan, Luxembourg, Malaysia, Maldives, Mauritius, Monaco, The Netherlands, New Zealand, Norway, Oman, The Philippines, Poland, Portugal, Qatar, Saudi Arabia (&VoA), Singapore, Spain, Sweden, Switzerland, UAE, UK, USA, Brazil, Korea, Peru, Hong Kong, Vietnam, Laos, Macau, Mongolia, Russia (&VoA) 
Free visa for 90 days: Argentina, Brazil, Chile, Korea, Peru
You can find in details here 
2.    THAI VISA ON ARRIVAL
2.1.    Who are eligible for Thailand Visa on arrival?
•    List of countries eligible for the visa on arrival in Thailand: 
Bulgaria, Bhutan, China, Cyprus, Ethiopia, Fiji, Georgia, India, Kazakhstan, Malta, Mexico, Nauru, Papua New Guinea, Romania, Taiwan, Uzbekistan and Vanuatu, Saudi Arabia
2.2.    Qualifications and Requirements
• Must be the citizens of the listed countries and territories below
• Application form which can be obtained at the designated ports of entry
• Genuine Passport with at least 1-month validity and 2 blank pages
• One recent photo which is taken within 6 months
• Purpose of tourism not exceeding 15 days 
• Usable return travel ticket within 15 days of the date of entry
• Proof of accommodation in Thailand
• Proof of means of living expenses at the amount of 10,000 Baht per person and 20,000 Baht per family accordingly
• Not under section 12 Immigration Act B.E.2522 (A.D.1979)

2.3.    Visa on Arrival Fees
Visa fee in Thai Baht (THB 2,000 or more) currency (Cash only) which is non-refundable

2.4.    How to apply for Thai Visa on Arrival ?
You can get a Visa on Arrival (VOA) at all international airports in Thailand, seaports in Thailand and checkpoints at the land borders of Laos, Cambodia, Myanmar and Malaysia.

3.    THAI EVISA
3.1.    Who are eligible for Thai eVisa ?
Most of tourists can apply for Thai eVisa. You can check and apply eVisa here: 
https://www.thaievisa.go.th/ 
 3.2. Required Documents
-    Biodata page of Passport or Travel Document
-    Photograph taken within the last six months. If the photograph does not reflect your current appearance, you may be refused to enter the Kingdom of Thailand.
-    Travel booking confirmation
-    Proof of accommodation in Thailand, e.g., Accommodation bookings, invitation letters from family/friends in Thailand
-    Financial evidence: amount of not less than 20,000 THB (Single) and 60,000 THB (Multiple), e.g., bank statements, sponsorship letter
-    Document indicating current residency
3.3.    How to apply Thai eVisa?
Step1: Create an Account on this official website: https://thaievisa.go.th/
Step 2: Fill in Application Form
Step 3: Upload Supporting Documents
Step 4: Pay Visa Fee
Step 5: Wait for Visa to be Processed
Step 6: Approval Visa send by email
3.4.    Thai eVisa Fees:
A Thailand e-visa will cost $82 USD (or equivalent) no matter your nationality. This payment is made through the e-visa secure web portal when you submit the application. The fee is non-refundable.
3.5.    Validity of a eVisa
The validity of a visa is 3 months or 6 months.