Guides, page 10
How to cut out a picture in the app you already use, what a transparent PNG really is, and which background each place wants. Every method is tested, and every tool is named with whether it uploads your photo.
What is a HEIC file, and how do you open one on Windows?
What a HEIC file is, why your iPhone saves photos that way, and how to open HEIC files on Windows, Mac, Android and the web, or stop your iPhone making them.
16 Sept 2026
What is a JFIF file, and why did my image save as one?
What is JFIF: a JPEG with another name. Why Chrome on Windows saves images as .jfif, how to rename one to .jpg in seconds, and how to stop it happening again.
16 Sept 2026
What is a transparent background, really?
A transparent background is empty pixels, not white ones. How alpha works, why editors show a checkerboard, and which formats keep it: PNG, WebP, AVIF, not JPG.
16 Sept 2026
What is AVIF? The newest image format, and when to convert it
What is AVIF: the AV1 image format behind small web images, which browsers and apps open it, how it handles transparency, and when to convert it to PNG or JPG.
16 Sept 2026
Which photo background for which use: shops, profiles, IDs and more
Which photo background to use for Amazon, Etsy, eBay, Shopify, LinkedIn, passports, thumbnails and stickers, with each rule checked at its source.
16 Sept 2026
White halo or jagged edges around a cutout: why it happens and how to fix it
Why a cutout gets a white halo or jagged edges, and how to fix it: shrinking the edge, feathering, and colour decontamination in Photoshop, Photopea and GIMP.
16 Sept 2026
Why your PNG shows a black or white background (and how to keep it transparent)
Why is my PNG not transparent? Why a transparent PNG turns black or white in viewers, WhatsApp, Instagram, email and Office, and how to keep the transparency.
16 Sept 2026
YouTube thumbnails with a cutout of yourself
Make a YouTube thumbnail with a cutout of yourself on a bold colour: YouTube's size and file rules checked September 2026, and a free thumbnail maker workflow.
16 Sept 2026Reading about it is slower than trying it
Drop a photo and get a transparent PNG at full resolution. Free, no account, nothing uploaded.