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Photo, passport & PDF guides
Practical help for passport photos, upload size limits, signatures and file formats – for applicants in the US, UK, Canada, India and everywhere else.
US Passport Photo Size: 2 × 2 Inch Rules and How to Make One at Home
The exact US passport photo size (2x2 inches, 600x600 px), head-size rules, background, glasses and lighting tips, and how to make a compliant photo at home for free.
Read guide →UK and Canada Passport Photo Size: 35 × 45 mm vs 50 × 70 mm
UK passport photos are 35x45 mm; Canadian ones are 50x70 mm. Learn head-size rules, digital code requirements, background colour and how to crop correctly at home.
Read guide →How to Resize a Photo to 50 KB or 100 KB (Without Making It Blurry)
A practical guide to getting any photo under 50 KB or 100 KB for job portals, visa forms and uploads: why files are big, the right order of steps and quality checks.
Read guide →How to Compress a PDF to 100 KB for Online Applications
Why scanned PDFs are so large and how to shrink them to 100 KB or 200 KB for visa, job and university portals while keeping text readable. Free, in-browser method.
Read guide →How to Crop a Signature for Online Forms (Clean, Clear and the Right Size)
Step-by-step: sign, photograph, crop, clean the background and resize your signature to the pixel and KB size that online forms, e-sign fields and job portals ask for.
Read guide →HEIC, JPG and PNG Explained: How to Convert iPhone Photos for Uploads
Why iPhone photos are HEIC, why websites reject them, and simple ways to convert HEIC to JPG on iPhone, Mac and Windows, plus when to use JPG, PNG or WebP.
Read guide →Looking for Indian exam form help? See our form photo & signature guides.