Guides and how-tos
Short, practical answers to the jobs people get stuck on: shrinking a PDF for a form, converting iPhone photos, fixing email that lands in spam, Saudi invoices and end-of-service pay. Each guide links to a free tool that does the job for you.
Latest
- ZATCA QR code generatorZATCA invoice QR codes, explainedEvery VAT-registered business in Saudi Arabia must put a QR code on simplified tax invoices. Here is what the code contains, how it is encoded, and what changes in phase 2.1 November 2026
- Email deliverability checkerWhy your emails go to spam, and how to fix itMost spam-folder problems come from a few fixable settings on your domain. Here are the seven common causes, how to check each one in minutes, and what to change.1 November 2026
- Saudi end-of-service calculatorHow end-of-service pay is calculated in Saudi ArabiaThe Saudi end-of-service award follows a fixed formula in the Labour Law. Here it is in plain words, with worked examples for resignation and termination, and the mistakes that cost employees money.1 November 2026
- Remove backgroundHow to remove the background from product photosMarketplaces want products on a clean white background, and shops look better with them. Here is how to shoot a photo that cuts out well, remove the background for free, and export it at the right size.1 November 2026
- Merge PDFHow to merge PDF files into oneApplications and claims often ask for one PDF, not five. Here is how to join PDFs in the order you want on any device, without uploading private documents.1 November 2026
- QR code generatorHow to make a Wi-Fi QR codeStop spelling out your Wi-Fi password. A Wi-Fi QR code lets guests connect by pointing their phone camera at it. Here is how to make one that never expires and print it well.1 November 2026
Image tools
- Remove backgroundHow to remove the background from product photosMarketplaces want products on a clean white background, and shops look better with them. Here is how to shoot a photo that cuts out well, remove the background for free, and export it at the right size.1 November 2026
- Image converterHow to convert HEIC photos to JPGiPhones save photos as HEIC, which many websites, Windows PCs and older apps can't open. Here is how to convert them to JPG in bulk for free, and how to make your iPhone save JPG from now on.1 November 2026
PDF tools
- Merge PDFHow to merge PDF files into oneApplications and claims often ask for one PDF, not five. Here is how to join PDFs in the order you want on any device, without uploading private documents.1 November 2026
- Compress PDFHow to compress a PDF for email and upload formsUpload portals often reject PDFs over 1 MB or even 200 KB. Here is why PDFs get big, which kind of compression to use, and how to hit a size limit without making the page unreadable.1 November 2026
Email and domain
Everyday tools
Work and money
- ZATCA QR code generatorZATCA invoice QR codes, explainedEvery VAT-registered business in Saudi Arabia must put a QR code on simplified tax invoices. Here is what the code contains, how it is encoded, and what changes in phase 2.1 November 2026
- Saudi end-of-service calculatorHow end-of-service pay is calculated in Saudi ArabiaThe Saudi end-of-service award follows a fixed formula in the Labour Law. Here it is in plain words, with worked examples for resignation and termination, and the mistakes that cost employees money.1 November 2026