articleGuides & Specs
whatevertool Blog
Official portal photo requirements, format optimization guides, and technical notes — zero fluff.
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QR Codes & Web Integration: How to Embed Interactive Tools via iFrames
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A comprehensive guide on QR codes, how they work, common use cases, and how to embed client-side web tools into your own website using HTML iFrames.
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#passport#visa#photo-specs#guides
Passport & Visa Photo Requirements: Size, Dimensions, and File Limits
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A side-by-side comparison of file size, pixel dimensions, and format rules across official passport and visa photo portals, plus the most common reasons.
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