Guides
Notes that sit behind the tools
Notes on a PDF that is too big, a 2026/27 payslip, how a mortgage repayment is worked out, how capital gains tax works on shares, and an iPhone photo that will not open.
How to reduce a PDF’s file sizeWhat actually makes a PDF large, what a browser can shrink, and what to do when the file does not get smaller.UK take-home pay explained for 2026/27How income tax, National Insurance, student loans and pension contributions fit together for the 2026/27 tax year.HEIC vs JPG: what iPhone photos are and how to convert themWhy iPhone photos are HEIC, when a JPEG is the file you actually need, and how to convert one without uploading it.How mortgage repayments are worked outWhy the early years of a repayment mortgage are mostly interest, and how a 5% rate becomes £1,169.18 a month on £200,000.How capital gains tax works on sharesThe 2026/27 annual exempt amount, the 18% and 24% rates, and the order HMRC uses to match a share sale.