Guides
Learn the idea, then use the tool on the same page.
How to make a passport size photo at home (and print copies)
Take a suitable photo, crop it to the right size, set a plain background and print a sheet of copies, all in your browser.
Oct 2026Lossy vs lossless image compression: what is the difference?
Understand lossy and lossless compression, how quality settings affect size, and when to choose each for photos, logos and screenshots.
Oct 2026What is EXIF data, and why you should remove it before sharing photos
EXIF metadata can reveal where and when a photo was taken. Learn what it contains and how to strip it for free in your browser.
Oct 2026How to convert HEIC to JPG (iPhone photos on Windows, forms and email)
Why iPhone photos are HEIC, why they fail on forms and Windows apps, and how to convert them to JPG privately in your browser.
Oct 2026How to compress an image to 50 KB (or 20, 100, 200 KB) for online forms
Step-by-step: reduce a photo or signature to an exact file size for job, exam and government forms without uploading it anywhere.
Oct 2026JPG vs PNG vs WebP vs AVIF: which image format should you use?
A practical comparison of JPG, PNG, WebP and AVIF: file size, transparency, quality and browser support, with simple rules for choosing.