Guides & how-tos

Simple, practical guides for working with PDFs and images.

How to merge PDF files for free

Combine several PDFs into one file online — free, no watermark, and nothing is uploaded.

How to compress a PDF to 100 KB

Shrink a large PDF to around 100 KB for email and uploads — free and online.

How to convert JPG to PDF

Turn one or many JPG or PNG images into a single PDF — free, in your browser.

How to convert PDF to JPG

Turn each page of a PDF into a high-quality JPG image — free and online.

How to split a PDF into separate files

Extract pages or split a PDF into multiple documents — free, no upload.

How to convert Word to PDF

Convert DOC and DOCX documents to PDF with the layout preserved.

How to add page numbers to a PDF

Add page numbers to a PDF with control over position, format and start number.

How to edit a PDF for free

Add text, drawings, highlights, images and signatures to a PDF — free, in your browser.