Guides, page 4
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.
How to compress an image to an exact size in KB or MB
Compress an image to a hard number in KB or MB: what getPNG's size search does, why it never resizes a picture, and what to do when it will not fit.
28 Sept 2026
How to compress an image without wrecking it
How to compress an image: get the format right first, then the one lever that actually shrinks a photo, a cutout or a screenshot.
27 Sept 2026
How to take product photos at home: light, a white card and the cutout
Product photography at home with no studio: window light, a white card curved into a seamless sweep, and the cutout that gets any shot onto pure white.
26 Sept 2026
PngTuber Maker: a two-image talking avatar from your own photo
PngTuber Maker turns two of your own photos, mouth closed and open, into a streaming avatar. The cutout, the talking frame and the file size, explained.
25 Sept 2026
Chroma key explained: how software decides what is background
What a chroma key measures, why naive keyers leave shadows behind, what tolerance and softness really control, and how spill suppression should work.
23 Sept 2026
Favicon and app icon sizes: the list that is actually needed
Which icon sizes a website really needs in 2026, what each one is for, the HTML to declare them, and how to produce the whole set from one drawing.
23 Sept 2026
Green screen or AI background removal: which to use
An honest comparison of chroma keying and AI cutouts: where each wins on hair, glass and speed, and how to combine them when one is not enough.
23 Sept 2026
Green screen spill: why the edges go green and how to fix it
What causes the green rim around a keyed subject, how to prevent it in the room, and why a saturation slider is the wrong way to remove it.
23 Sept 2026
Green screen, from the wall to the finished cutout
Why green, how to light a screen so the key is easy, what a keyer actually does, and when a green screen beats an AI background remover and when it does not.
23 Sept 2026
How to enlarge a logo without it going blurry
Why logos blur when you scale them, when to trace to a vector, when a classical filter beats an AI model, and how to rebuild a logo you only have small.
23 Sept 2026
How to set up a green screen that actually keys cleanly
Lighting, distance, fabric and camera settings for a green screen that keys on the first try, including what to do in a small room.
23 Sept 2026
How to take a passport photo at home with a phone
Take a passport photo with a phone and a plain wall: the light, the distance, the phone settings that fail it, and how to crop and print it correctly.
23 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.