Money & Maths
How EMI Is Calculated, With a Worked Example in Rupees
The EMI formula explained step by step, with a 5 lakh loan worked out by hand and a look at how each payment splits…
Blog
Step-by-step guides for PDFs, images, calculations and everyday tasks, each paired with a free tool.
Money & Maths
GST Inclusive vs Exclusive: How to Work Out Both
The difference between prices with and without GST, the two formulas you need, and the common mistake that overstates the tax.
Money & Maths
How to Write an Amount in Words on a Cheque (Pakistan and India)
How to write any amount in words on a cheque, with lakh and crore, paisa and the word Only, plus the mistakes that make…
Writing
How Many Words Is a 2-Page Essay?
About 500 words double-spaced or 1,000 single-spaced, but font, spacing and handwriting all change the answer. Here is how to work out yours.
PDF & Images
How to Reduce Photo Size to 50 KB or 100 KB for Online Forms
Shrink a photo or signature to the exact size an online form asks for, on your phone, without uploading it to a website.
PDF & Images
How to Combine Scanned Documents Into One PDF on Your Phone
Photograph each page, turn the photos into a PDF and merge it with any PDFs you already have, all on your phone and in…
Security & Code
How to Make a Strong Password You Can Remember
Length beats complexity. How to build a long passphrase you can remember, what to avoid, and when to let a password manager do the…
Security & Code
Common JSON Errors and How to Fix Them
Trailing commas, single quotes, unquoted keys and the other mistakes that break JSON, each with a broken example and the fix.