· 9 min read
How to Compress Images Online Without Losing Too Much Quality
Learn how image compression works, when to use JPEG, PNG or WebP, how dimensions affect file size, and how to shrink a photo step by step in your browser.
Guides and how-tos
Practical explanations of the everyday tasks our tools help with: what to do, why it works and the mistakes to avoid. Each guide links to the matching free tool.
· 8 min read
How to Create a QR Code from a Link or Text
A practical guide to making a QR code for a website link or a short message: choosing the size and colors, testing it, and avoiding common mistakes.
· 7 min read
How to Create Strong Passwords and Keep Them Secure
What actually makes a password strong, why length and randomness matter, and how to generate, store and protect unique passwords for every account.
· 8 min read
How to Calculate Percentages: Simple Formulas and Examples
Simple formulas for percentages of a number, percentage of marks, increase, decrease and difference between two numbers, with step-by-step worked examples.