Blog & Guides
Practical articles that help you get the most out of our free online tools — and a few skills worth keeping.
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Latest articles
'New PDF Tools: Merge, Split, Rotate and More — 100% In Your Browser'
'We just added a full PDF toolkit to Utileaf. Combine, split, rotate, trim, convert images and edit metadata — all locally, with no uploads and no account.'
'How to Count Words and Characters for Perfect SEO Copywriting'
'Word and character counts matter more than you think — for SEO titles, meta descriptions, ad copy and essays. Learn the exact limits and how to count like a pro.'
'How to Create Strong Passwords in 2026: A Practical Guide'
'Stop reusing passwords. Learn what makes a password strong in 2026, how password managers help, and how to generate uncrackable ones in seconds.'
'QR Codes for Business: A Practical 2026 Guide'
'QR codes are back and more useful than ever. Learn how businesses use them for menus, payments, Wi-Fi and marketing — and how to generate one in seconds.'
'Understanding Your BMI: What the Numbers Really Mean'
'BMI is a quick health snapshot, not a verdict. Learn what your BMI number means, where it falls short, and how to use it sensibly.'
'Uppercase, Title Case, Sentence Case: A Complete Guide to Text Case'
'Choosing the right text case for headlines, emails and code is harder than it looks. Learn the rules for sentence, title, upper and lower case — and convert text instantly.'
'Percentages Made Easy: Tips, Tricks and Real-World Examples'
'Discounts, tips, taxes and interest — percentages are everywhere. Learn the mental math tricks, the formulas, and how to calculate any percentage instantly.'
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