Blogs
Short guides that solve one task at a time: pricing a product, working out tax, preparing a photo or a PDF. Every guide uses real numbers calculated by our own tools.
Images and product photos
186 guides- How to reduce image size without losing quality
- How to resize an image without distorting it
- How to convert PNG to JPG without surprises
- How to crop an image to an exact size
PDF and document utilities
170 guides- How to merge PDF files into one
- How to extract pages from a PDF
- How to turn photos into one PDF
- How to delete pages from a PDF
Seller and business calculators
216 guides- Profit margin vs markup: the difference that costs sellers money
- How to price a product when shipping and fees eat your profit
- How to add VAT to a price, or take it out
- Why 20% off plus 10% off does not make 30% off
Customer documents and communication
204 guides- How to write a quotation clients say yes to
- What to include in a simple invoice
- How to create a WhatsApp link with a pre-filled message
- QR codes for your shop: Wi-Fi, links and contact cards
Arabic and English text utilities
108 guides- How to convert Arabic numerals to English digits
- How to count words and characters in Arabic text
- How to compare two texts and find the differences
- How to remove duplicate lines from a list
Website, data and developer utilities
116 guides- How to format JSON and find the error
- How to convert CSV to JSON and back
- How URL encoding and decoding work
- What is Base64?