Guides

Plain-English explanations of the file formats and conversion options behind KuickKonvert's tools -- what actually changes, and why.

• DOCX vs DOC: What's Actually Different (and When It Matters)

  Both open in Word, but DOC and DOCX are built on completely different technology. Here's what that actually changes for you.

• Why a PDF's Layout Sometimes Shifts After Conversion (and How to Avoid It)

  It's almost never a bug. In the overwhelming majority of cases it comes down to one specific, well-understood cause: font substitution.

• PDF Compression Explained: Screen vs eBook vs Printer (With Real Test Results)

  Each level is a fixed recipe for shrinking the images inside a PDF. Knowing the recipe tells you in advance which level will actually make your file smaller -- and which won't.

• JPG vs PNG for Documents: Which Format to Use (With Real Test Results)

  JPG is built for photos, PNG for sharp edges. For pages full of text, our own test found PNG was both sharper and smaller -- here's why, and when JPG is still the right call.