The 4x6 cm Southeast Asian Rule
Thailand requires a 4x6 centimeter photograph for almost all visa applications, including the standard 60-day Tourist Visa, the Non-Immigrant O visas, and the prestigious Thailand Elite Visa. This is significantly larger than the European 35x45mm standard.
Background and Clothing
The background must be plain white or off-white. The Thai embassy is particularly strict about clothing: you must dress 'politely'. Sleeveless shirts, tank tops, and low-cut blouses are highly likely to result in your photo—and your application—being rejected.
Digital E-Visa Specifications
For the official Thai E-Visa portal, the digital file must be in JPG format and must not exceed 3 MB. The image must have been taken within the last 6 months, and you must not be wearing any headgear (unless for religious reasons) or dark glasses.
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