Straight-talking help for photo and signature uploads on exam and job forms — no jargon, no fluff.
The real reasons online exam and job forms reject your photo or signature — file size, dimensions, format and background — and exactly how to fix each one.
Measured file sizes at every common KB target, the dimension ceilings behind them, and the method. Free to cite.
Sizes & specsA complete, up-to-date reference of the photo and signature file size, dimensions and format for major Indian and Pakistani exams and forms — SSC, UPSC, PAN, IBPS, NEET, JEE, PPSC, FPSC, NTS and more.
CompressingA simple, step-by-step guide to compressing a photo to an exact file size like 10KB, 20KB or 50KB, on desktop or mobile, while keeping it as clear as possible.
FormatsUnderstand the difference between JPG, PNG and WebP, why almost every exam and job form wants JPG, and how to convert your image to the right format.
TroubleshootingEight practical fixes for when your photo or signature won't upload to an online exam or job form — from file size and format to browser and portal timing issues.
CompressingA complete, plain-English guide to reducing your photo's size in KB for online forms. Learn what file size really means, how compression works, and how to hit an exact limit like 20KB on any device without wrecking the quality.
CompressingA complete guide to compressing and resizing your signature for online exam and job forms. Learn the right file size in KB, pixel dimensions, how to scan it, and how to hit limits like 10KB or 20KB without the strokes breaking up.
Sizes & specsConfused why a 'small' photo is still too big for a form? This guide explains image dimensions versus file size in plain English — pixels, resolution, aspect ratio and how they all affect the KB.
FormatsA simple, jargon-free explanation of lossy versus lossless image compression — how JPEG and PNG work, what compression artifacts are, and which to use for exam and job form uploads.
FormatsA step-by-step guide to converting PNG to JPG on any device, why online forms usually require JPG, what happens to transparency, and how to convert and compress to an exact KB size in one step.
FormatsYour iPhone saves photos as HEIC, which most forms and websites reject. Here is how to convert HEIC to JPG on iPhone, Windows, Mac and Android, and how to stop your iPhone making HEIC in the first place.
Phones & scanningA step-by-step guide to compressing and resizing a photo on any Android phone — reduce the file size to an exact KB, resize the pixel dimensions, and convert to JPG, with and without apps.
Phones & scanningHow to compress and resize a photo on iPhone to an exact KB size, handle the HEIC format, use the Shortcuts and Mail tricks, and hit a form's pixel dimensions — all on iOS.
Sizes & specsWhat are the exact dimensions of a passport size photo in centimetres, pixels and KB? This guide explains 3.5x4.5 cm, 413x531 pixels, DPI, background rules and how to make one at the right size for any form.
Sizes & specsWondering why your photo is several megabytes when a form wants a few KB? This guide explains the three reasons image files get large — pixels, format and quality — and exactly how to make them smaller.
Sizes & specsWhat do DPI and PPI actually mean, and when do they matter? A simple guide to resolution, the 300 DPI rule, how pixels relate to print size, and why DPI is irrelevant for online uploads.
Sizes & specsA simple guide to aspect ratio — what it is, why forms crop or stretch your photo, common ratios like 3.5x4.5, and how to resize a photo to an exact shape without distortion.
Phones & scanningA step-by-step guide to taking a passport photo at home with your phone — background, lighting, framing, expression and clothing — then cropping and sizing it for any form.
Phones & scanningA practical guide to scanning or photographing your signature for online forms — paper, ink, lighting, contrast and cropping — so it stays crisp and passes at small file sizes.
FormatsA plain-English guide to the common image formats — JPG, PNG, WebP, HEIC, GIF and BMP — what each is best for, how they differ in size and quality, and which to use for form uploads.
CompressingScanned documents are often too big to upload. This guide explains why scans are large and how to reduce a scanned document's size — as an image or a PDF — while keeping the text readable.
CompressingNeed to shrink a whole folder of photos? This guide explains how to compress multiple images at once to an exact size and download them together as a ZIP — free, private and in your browser.