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PDF vs Image Formats: When to Use What

Updated in 2025 Β· 5 min read Β· PDF workflows

People often wonder whether they should share a document as a PDF or as a set of images. Both options have their place. PDFs are ideal for multi‑page documents that should keep the same layout everywhere, while image formats like JPG and PNG are better for single pictures or quick previews.

When you scan paper documents, some scanners create a series of images instead of a single PDF. This can be inconvenient because you end up with many individual files. In those cases it is usually better to convert the images into one combined PDF so that the document is easier to share and store.

When to choose PDF

When to choose images

CompressItSmall helps you move between these formats with tools like PDF to JPG and JPG to PDF, so you can choose the right format for each situation.