Image Tools
PDF Tools
Developer ToolsPassport Photo Size in Pixels and KB: 35x45 mm and 2x2 Inch
Two of the most common photo sizes explained in pixels, plus how to keep the file under the KB limit of your form.
Read articleBlog
Simple guides for smaller images, lighter PDFs and files that pass upload forms.
JPG vs PNG vs WebP: Which Image Format Should You Use?
Three formats, three jobs. Learn when each one is the best choice and how to convert between them for free.
Read articleHow to Reduce PDF Size for Online Forms and Email
A scanned PDF can be 10MB or more. This guide shows how to shrink it to 200KB, 500KB or 1MB so it uploads and emails easily.
Read articleHow to Compress an Image to 200KB (Free, Step by Step)
Forms often reject photos above 200KB. Here is the quickest way to get under the limit without ruining the picture.
Read article