Guides, page 3
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.
APNG explained: the animated PNG, and where it shows one frame
What an APNG is, how it differs from a GIF and an animated WebP, why some apps show only its first frame, and how to tell which kind of file you have.
9 Oct 2026
How to convert HEIC to JPG on Windows, one photo or a whole folder
Every way to turn iPhone HEIC photos into JPG on a Windows PC: Paint and Photos for one, iCloud and the iPhone itself for many, and a browser for a folder.
9 Oct 2026
White background photo: when it is the rule, when it is a habit
When a white background is a requirement and when it is a habit: ID photos, marketplaces, websites and print, and how to get a true 255 white.
8 Oct 2026
Chinese visa photo requirements: 33 x 48 mm, white background and 120 KB
Chinese visa photo rules checked September 2026: 33 x 48 mm, head 28 to 33 mm, white background, 420 x 560 pixels and 120 KB for the online form.
7 Oct 2026
2x2 photo: what it is, which documents want one and how to make it
A 2x2 photo is a 2 inch (51 mm) square, 600 x 600 px on screen. Which documents want one, how big the head must be, and how to crop one from a phone photo.
6 Oct 2026
What to have behind you on a video interview
What to put behind you on a video interview: a tidy wall, a blur or a replaced background, compared honestly, with a simple check to run before the call.
5 Oct 2026
An iron-on transfer from a photo, without the sticker box
Make an iron-on transfer from a photo: cut out the subject, mirror it if the paper asks, test on plain paper and trim close, so no box shows on the fabric.
4 Oct 2026
Indian passport photo size: 35 x 45 mm, the face and the white background
Indian passport photo size: 35 x 45 mm (1.38 x 1.77 inches), 630 x 810 pixels under 250 KB, face 80 to 85 percent, white background. Checked October 2026.
3 Oct 2026
PNG for shirts: what a print shop needs from your file
What a print-on-demand shop needs in a shirt PNG: pixels for 300 dpi at the print size, a real alpha channel, no white box, and edges that survive a dark shirt.
2 Oct 2026
Lossless PNG compression: what it can and cannot save
Every PNG is already losslessly compressed. What lossless PNG compression means, where an optimiser finds its few percent, and why bigger savings change pixels.
1 Oct 2026
How to compress images for a website, in the right order
Compress images for a website in the order that pays: the right format for each picture, the sizes worth serving, then quality, with the check that matters.
30 Sept 2026
How to reduce an image's file size, lever by lever
Reduce image file size in the right order: format, dimensions, colour table or quality, then metadata. What each lever is worth, and which are worth nothing.
29 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.