How to Compress an Image Without Losing Too Much Quality
Practical steps to make images much smaller while keeping them sharp: resizing, choosing the right format and picking a sensible quality setting.
· 4 min read
Blog
Practical guides for everyday tasks, each linked to the tool that does the job.
How to Compress an Image to 50KB
Get a photo or signature under 50KB for online forms and applications, with tips on dimensions, cropping and the 1,000 vs 1,024 byte question.
· 3 min read
How to Compress an Image to 100KB
Reduce a photo to under 100KB for job portals, profiles and uploads, automatically or step by step, and avoid the most common mistakes.
· 3 min read
How to Resize an Image Online
Resize images to exact pixel dimensions or by percentage without stretching them, and convert centimetres and DPI to pixels.
· 4 min read
How to Calculate Age From Date of Birth
Work out an exact age in years, months and days by hand, with a worked example and the rules for month ends and leap-day birthdays.
· 4 min read
How to Calculate Percentage
The four percentage formulas you need, for percent of a number, percent of a total, percentage change and adding or removing a percentage, with examples.
· 4 min read
How to Create a WhatsApp Link
Create a wa.me click-to-chat link with a pre-filled message, understand the number format, and avoid the mistakes that break links.
· 3 min read
JPG vs PNG vs WebP: Which Image Format Should You Use?
How JPG, PNG and WebP differ in compression, transparency, file size and compatibility, and which to choose for photos, graphics and the web.
· 4 min read