PixelKit Blog
Practical guides on file formats, portal upload requirements, image compression, and privacy.
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How to Crop Images to Exact Aspect Ratios (1:1, 4:5, 16:9)
Master aspect ratio cropping for Instagram, YouTube thumbnails, avatars, and website hero banners without black bars or blur.
- #crop
- #aspect-ratio
- #social-media
- #framing
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How to Resize and Crop Image to Passport Size (413×531 px & Under 100KB)
Step-by-step guide to resizing, cropping, and compressing photos for passport, visa, and exam portal uploads with exact dimensions.
- #passport
- #resize
- #crop
- #compression
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iPhone HEIC Explained: Why Portals Reject Your Photos (And the 10-Second Fix)
Every iPhone since iOS 11 saves photos as HEIC. Here's why that breaks most upload forms, and the fastest way to convert to JPG without uploading to a server.
- #heic
- #iphone
- #jpg
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How to Compress an Aadhaar Card to a 100KB PDF (Step by Step)
Aadhaar and PAN portals reject PDFs over 100KB or 200KB. Here's the exact workflow to hit the limit without losing readable text on the scan.
- #aadhaar
- #compression
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Why Portals Reject Your 200KB Photo (And How to Fix It in 30 Seconds)
The real reasons passport, visa and exam portals reject photos at 200KB — file format, dimensions, and quality — and the fastest way to hit the exact limit.
- #portals
- #compression
- #passport