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Guides and tips to help you get the most out of free online tools.

How to Create Strong Passwords (and Actually Remember Them)

A practical guide to strong passwords: what makes them secure, common mistakes to avoid, and how to generate and remember them.

Large images are the #1 cause of slow web pages. Learn how to compress and resize images the right way to speed up your site.

Learn how to extract pages or split a PDF into separate files for free — safely, in your browser, without uploading sensitive documents.

Understand compound interest, the formula behind it, and why starting early matters so much — with worked examples you can try yourself.