Updates · guides · announcements
Blog
New tools, how-tos and plain answers about what happens to your files.
How to shrink a PDF for email without making it unreadable
Which compression level to pick, why scanned files behave differently, and what to do when the file still won’t fit.
How to merge PDF files in the right order
Combine several PDFs into one, fix the order before you start, and keep the result small enough to send.
How to remove location data from photos before you share them
Where the location comes from, which apps keep it, and three ways to share a photo without telling people where you were.
How to reduce an image to 200 KB (or any size limit)
Forms and uploads often demand a maximum file size. Here is how to hit it without ruining the picture.
JPG, PNG or WebP: which image format should you use?
A plain comparison of the three formats you meet every day, and a rule of thumb for choosing.
Percentages without the headache: the five formulas you need
Discounts, tax, price rises and exam scores all use the same five calculations.
i40x has a new look, a new logo and one page for every tool
What changed, why, and where to find everything now.