Guides.
The sizes, specs and small decisions behind a good screenshot, written down.
Social media image sizes (2026): Instagram, LinkedIn, X, Facebook and more
Every post, story and banner size in one table, the crops each network adds, and how to re-fit one product image to all of them.
How to screenshot an animated website (WebGL and 3D sites too)
Why heavy animation and 3D scenes break capture tools, the settings that calm a page down, and the keys to press on each device.
App Store screenshot captions: how to write them, with 20 examples
The short line above each screenshot does most of the selling. How to write it, where to put it, and twenty captions to borrow from.
How to add a device frame to a screenshot (online, Mac and Windows)
Drop in a screenshot, pick the device, export: the steps, the 45 frames to choose from, and how to stop the result looking stretched.
YouTube thumbnail size (2026): 3840×2160, and thumbnails for product videos
The new 4K thumbnail size, the upload limits, and how to turn a screenshot of your product into a thumbnail people click.
AppSumo listing image size (2026): 1920×1080, JPG or PNG, under 5 MB
The sizes AppSumo asks for, the rules that get images sent back, and how to make a header and five product shots that pass.
How to make App Store screenshots, step by step (2026)
From raw captures to a finished five-screen set: the size to start at, what goes on each screen, and how to keep the set consistent.
How to make a responsive mockup: desktop, tablet and phone in one image
One image that shows a site works at every size: which layouts to capture, which devices to use, and how to arrange them.
Dribbble shot size (2026): 1600×1200, plus Behance covers
The sizes Dribbble and Behance use now, why 4:3 still matters for the thumbnail, and how to turn a screenshot into a shot.
Hero image size for a landing page (2026), with product screenshots
What size to make a landing page hero, how to put your product in it, and how to keep it fast.
GitHub README screenshots: image size, width and dark mode
The width that looks sharp on GitHub, the HTML for sizing it, and the picture tag that swaps light and dark screenshots.
Google Play feature graphic: 1024×500 size, rules and examples
The one Play Store image with no device frame required: its exact size, the crop zones, and two layouts that work.
Product Hunt image sizes (2026): 1270×760 gallery and 240×240 thumbnail
The sizes Product Hunt asks for, what the first gallery image has to do, and a five-image running order that works.
Open Graph & social image sizes (2026): the 1200×630 guide
Why 1200×630 is the one size that works almost everywhere, the per-platform exceptions, and how to make a share image in a minute.
App Store & Google Play screenshot sizes (2026)
Every screenshot dimension the App Store and Google Play expect in 2026, in one place, and the fastest way to produce them.