Code Diff

QR codes are no longer just black-and-white squares on restaurant tables. They are on business cards, wedding invitations, product packaging, social media profiles, event tickets, and storefront windows. Over 2.2 billion people scanned a QR code globally in 2026 — and that number is growing every year.

This guide covers the full JPG vs JPEG story, when and why you might need to change between them, and how to convert your JPEG to other formats like WebP, BMP, TIFF, and SVG using Transfonic's free Image Conversion tool — no software, no signup required.

Saving a Word document as a PDF is one of the most common things people do with Microsoft Word — and one of the most misunderstood. Some versions of Word call it "Save As." Others call it "Export." On Mac, it's buried under a different menu. On mobile, it works differently again.

You have a low-resolution image — a blurry product photo, an old family picture, a small logo, or an anime illustration and you need it sharper, larger and print-ready. Traditional resizing just stretches pixels and makes things worse. AI image upscaling works differently and in 2026, the technology has reached a point where free online tools deliver results that were once only possible with expensive desktop software.