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Plain answers about photo sizes, signatures, PDFs, Hindi typing and online forms.

KB, MB and bytes: what "photo under 50 KB" really meansUnderstand bytes, KB and MB, why 1 KB can mean 1000 or 1024 bytes, and why your phone and an exam…
Pixels, cm, inches and DPI: how to convert photo sizesConvert cm and inches to pixels using DPI, with worked tables for 3.5 x 4.5 cm photos, 2 x 2 inch…
How to reduce photo size in KB on your phoneStep-by-step ways to reduce a photo from MB to KB on Android and iPhone for online forms, including…
Photo rules for online exam and recruitment formsPhoto rules most Indian exam and job notices commonly state, from background and face size to…
How to prepare your signature for online application formsSign, scan, crop and resize your signature for exam and job forms: ink and paper, contrast, why…
How to take and upload a left thumb impressionHow to make a clear left thumb impression with an ink pad, scan or photograph it, crop and resize it…
JPG, PNG, WebP and HEIC: which format should you upload?A plain guide to JPG, JPEG, PNG, WebP and HEIC image formats, which ones Indian exam and job portals…
iPhone HEIC photos: how to get a JPG for online formsWhy iPhone photos are saved as HEIC, how to switch your camera to JPG with Most Compatible, and…
Common photo and signature upload errors, and how to fix themFix common upload errors on exam forms: file too large or small, wrong dimensions or format, bad…
Lossy vs lossless compression, explained simplyHow JPEG compression works in plain words, why tiny 20 KB photos look soft or blocky, how PNG…
Aspect ratio: how to resize a photo without stretching your faceWhat aspect ratio means, why stretching distorts form photos, and how cropping or padding fits a…
How to add your name and date below a form photoSome notices want your name and photo date printed below the photo. Learn the usual layout, sizing…
Resolution vs file size: why more pixels does not always mean more KBWhy two photos with the same pixel size can differ hugely in KB, and what really drives file size…
How to compress a scanned PDF without making it unreadableWhy scanned PDFs are so large, which DPI and colour settings to pick, and a worked example of…
How to scan documents with your phone (Android and iPhone)Scan certificates and ID proofs with Google Drive on Android or Notes and Files on iPhone. Lighting…
How to combine certificate photos into one PDF under a size limitTurn several JPG photos of certificates into a single A4 PDF for an online form, keep pages in the…
PDF basics: what every form-filler should knowWhat a PDF is, why government forms ask for it, what PDF/A means, why password-protected PDFs get…
Self-attested copies: what they mean and how to upload themWhat self-attestation means, why the Government of India moved to self-certification, how to…
DigiLocker documents: how to download and use them in formsWhat DigiLocker is, how issued documents differ from uploaded ones, how to download them as PDF…
Document checklist for government exam and job formsThe uploads most Indian government forms ask for: photo, signature, thumb impression, ID proof…
Kruti Dev vs Unicode: what is the difference?Why Kruti Dev Hindi text shows as English gibberish on other computers, how it differs from Unicode…
Inscript vs Remington Gail: which Hindi keyboard should you learn?Inscript (the Government of India standard) vs Remington Gail (the typewriter layout used with Kruti…
How to type Hindi on a computer or phoneStep-by-step: enable Hindi typing on Windows, Mac, Android (Gboard) and iPhone, the difference…
How typing tests in Indian government recruitment workHow SSC CHSL typing tests and the Data Entry Skill Test are scored: key depressions per hour, test…
WPM, net WPM, accuracy and KDPH explainedHow typing speed is measured: gross WPM, net WPM, accuracy and key depressions per hour (KDPH), with…
How to improve your typing speed for government examsA practical 4-week plan to improve English and Hindi typing speed for SSC and state typing tests…

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