Guides for getting things done
Short, practical write-ups on the jobs people actually bring to Khohari: shrinking a PDF, picking an image format, keeping a photo’s location private, understanding a loan. Each one links to the tool that does the work.
How to compress a PDF without ruining it
Why some PDFs are huge and others tiny, how to pick a compression level, and the order to try things in when a file will not fit through an email limit.
ImagesJPG, PNG or WebP: which format should you use?
A plain-English guide to choosing between JPG, PNG and WebP for photos, screenshots, logos and the web, and what happens when you convert between them.
PrivacyHow to remove your location (and other hidden data) from a photo
Photos carry hidden details such as GPS coordinates, camera model and timestamps. Learn how to see what is inside yours and strip it out before you share.
ImagesHow to make a passport-size photo at home
Take, crop and print a passport-size photo yourself: lighting tips, hitting an exact file size in KB for online forms, and printing several copies on one sheet.
FinanceHow your loan EMI is calculated, with a worked example
The EMI formula step by step with real numbers: how tenure changes the payment and total interest, and why a flat rate costs far more than it sounds.
PDFHow to merge PDF files without uploading them anywhere
Combine PDFs into one in your browser, in the right order, after dropping pages you do not need. Plus how to check that a tool really keeps your files private.
Want a guide on something?
If there is a job you’d like explained, or a tool that left you guessing, tell us on the contact page. New guides are added as we write them.