US visitor visa (B-1/B-2): application and interview guide
Understand B-1, B-2 and combined B-1/B-2 visitor visas, DS-160, interview preparation, supporting evidence, entry conditions and the separate role of the visa photo.
Detailed, source-checked guides to what each visa or immigration program is, who needs it, eligibility, documents, application steps, timing, validity and common refusal risks. Every guide also explains the photo requirement and links to the matching photo maker.
A practical guide to what the US Diversity Visa program is, who may enter, how the free online entry works, what selection means and how to continue toward an immigrant-visa interview.
Reviewed 9 August 2026 · 12 min readUnderstand B-1, B-2 and combined B-1/B-2 visitor visas, DS-160, interview preparation, supporting evidence, entry conditions and the separate role of the visa photo.
A complete introduction to Canada’s temporary resident visa, including who needs one, evidence of purpose and ties, biometrics, passport submission and photo preparation.
Learn what a Schengen short-stay visa covers, which consulate is responsible, how the 90 days in 180 rule works, what documents are usually required and where the photo fits.
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A practical overview of Japan’s temporary visitor process, purpose-specific document lists, eVisa limits, itinerary evidence and the correct visa-form photo.
Use Korea’s Visa Navigator to identify the correct C-category, understand e-Form and mission submission, prepare supporting evidence and add the 35 × 45 mm photo.
Understand Taiwan visitor-visa purposes, the online application form, overseas-mission submission, supporting evidence and the two-photo standard.
Learn the difference between a Singapore visa and permission to enter, how local-contact or mission applications work, what Form 14A supports and when to submit the SG Arrival Card.
A complete guide to Vietnam’s official eVisa portal, single and multiple entry, the 90-day maximum, required trip data, entry checkpoints and photo uploads.
Understand the official Saudi tourist eVisa, eligible passports, tourism and Umrah scope, one-year multiple-entry conditions, application steps and the visa photo.
Use the Royal Oman Police eVisa system to check eligibility, choose sponsored or unsponsored tourism, prepare the application and add correctly sized passport and photo files.
Already know the visa route? Use these focused references for dimensions, file limits, framing and common photo mistakes.
Confirm the application route first, then prepare the matching photo privately in your browser.