Conversion guides
How to convert JPG to PDF
A step-by-step guide to turning one or more JPG photos into a single PDF document, plus tips on page order, file size and scan quality.
5 min read
Blog
Short, practical guides about file formats, conversion and compression. Each article answers one question and links to the tool that solves it.
File optimisation
How to compress a PDF without ruining it
Where PDF file size actually comes from, which compression choices preserve readability, and what to do when a document is still too large.
6 min read
Format guides
JPG vs PNG: which format should you use?
A practical comparison of JPG and PNG covering compression, transparency, text sharpness and when each format is the right choice.
5 min read
Format guides
WebP vs JPG: which is better for your website?
How WebP compares to JPG on file size, quality and compatibility, and how to decide which to serve on your site.
4 min read
File optimisation
How to resize an image without losing quality
Why scaling down is safe, why scaling up is not, and how to pick target dimensions for the web, print and social media.
5 min read
Format guides
What is a PDF file?
What the PDF format is, why it looks the same everywhere, the difference between text and scanned PDFs, and what it is bad at.
4 min read
Format guides
What is WebP?
An explanation of the WebP image format: how it compresses, what it supports, where it is accepted and how to convert to and from it.
4 min read
Conversion guides
How to convert Word to PDF
How to turn a DOCX document into a PDF, what converts reliably, what to check before sending, and when to fix the source document instead.
4 min read