Guides — common PDF and image tasks

Start with common small tasks — file processing stays on your computer.

Combine images into a PDF

Set the order and combine several images into one file.

Image size and sharpness

Keep proportions and choose a suitable pixel size.

Make a Windows icon from a PNG

Keep transparency and create a multi-size ICO.

FAQ

Installation warnings, what is free, file privacy and more.

Read the FAQ →

PDF and image tools

Merge, split, organise, export and watermark →

Convert, crop and compress images →

Desktop app help

For reading, annotation, OCR, PDF merging and Office conversion, use the desktop app. Its built-in offline help remains available; these online guides are a supplement.

Download ZiruPDF

Guides by task

How to merge PDFs and set their order

How to extract or split PDF pages

How to rotate, delete and reorder PDF pages

PDF to image: choosing PNG or JPG

Add a watermark and page numbers to a PDF

How to compress an image to a target size

How to mark the purpose on an ID copy