Guides
- How to Reduce PDF File Size Five practical ways to make a PDF smaller for email and upload forms, and how to choose the right one for your file.
- How to Compress a Photo to 20, 50 or 100 KB A simple step-by-step way to get a photo or signature under a strict size limit without making it unreadable.
- JPG vs PNG vs WebP: Which Format to Use A plain-English comparison of JPG, PNG and WebP: quality, file size, transparency and compatibility, and when to pick each.
- How to Merge PDF Files in the Right Order A short guide to combining several PDFs into one: getting the order right, fixing sideways pages, and avoiding the common problems.
- How to Compress a PDF to a Specific Size How to get a PDF under a size limit such as 100 KB, 500 KB or 1 MB: what works, what it costs in quality, and what to do if it will not fit.
- How to Resize a Photo for Online Forms Forms ask for photos in pixels, kilobytes or centimetres. Here is what each means, how to convert between them, and the order to do things in.