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Guides and how-to articles

Step-by-step help for everyday tasks: working with PDF files, preparing photos, calculating VAT and zakat, and writing a CV. Each guide links to the free tool that does the job.

How to Merge PDF Files Online for Free (Step by Step)Learn how to combine several PDF files into one document in your browser, with tips on page order, file size and checking the result.

How to Compress a PDF for Email and Upload FormsMake a large PDF small enough to email or upload. Learn why scans are big, how to pick the right quality and what to do if the file stays large.

How to Calculate 15% VAT: Add or Remove VAT from a PriceAdd 15% VAT to a price or take it out of a VAT-inclusive total, with worked examples and the most common mistake to avoid.

How to Make a Passport-Size Photo at HomeTake a suitable photo at home, crop it to a common passport or ID size and print a 4x6 inch sheet, plus what to check before you submit it.

How to Calculate Zakat on Savings, Gold and Business GoodsA simple explanation of the usual zakat method, the nisab, a worked example and how to use the calculator. Ask a qualified scholar about your own case.

How to Write a CV That Gets InterviewsWhat to include, how to write strong bullet points and how to keep a CV clean and easy to read, with a free CV builder that saves a PDF.