General SizeWhich box is width
Size notation is easy once the order is fixed. Width runs left to right; height runs top to bottom. Here is a practical way to prepare width first and height second.
Aug 3, 2026General Size image sizes
Tools and plain-English guides for common General Size image jobs.
Tools
X Header Resizer
Make a wide header for an X profile.
Use free tool →LinkedIn Banner Resizer
Prepare a clean wide personal banner.
Use free tool →Pinterest Pin Resizer
Create a tall 2:3 image for a Pin.
Use free tool →Custom Pixel Resizer
Enter any width and height in pixels.
Use free tool →Crop Image to Ratio
Crop to 1:1, 4:5, 9:16, or 16:9.
Use free tool →Image KB Reducer
Use a quality slider to make a lighter JPG.
Use free tool →Pixels to CM for Screen
Estimate centimetres from pixels at 96 DPI.
Use free tool →Image Aspect Ratio Finder
Upload an image to see its width, height, and ratio.
Use free tool →Guides
General Size
General SizePreview ok, app still rejects
undefined Here is a practical way to prepare A local preview proves the browser can read the image. It cannot guarantee another service accepts the format, metadata, or file size..
May 6, 2026
General SizeDid the image upload to your server
Choosing a file does not always mean sending it away. A browser can read dimensions and draw a new image locally. Here is a practical way to prepare a private on-device workflow.
Mar 25, 2026
General SizeQuality slider, where it goes ugly
undefined Here is a practical way to prepare There is no magic quality percentage. Smooth skies, hair, tiny writing, and noisy shadows react differently to JPG compression..
Feb 11, 2026
General SizeMarketplace listing square photo
Listing grids reward consistency. Neutral margins and honest colour often help more than a busy promotional background. Here is a practical way to prepare a clean product square.
Dec 9, 2025
General SizeFestival poster 9:16
Festival posters pack in names, dates, offers, and logos. On a phone, hierarchy and empty space matter more than adding one more decoration. Here is a practical way to prepare a vertical poster with safe margins.
Feb 15, 2025
General SizeProduct photo 1:1 for catalogue
A catalogue looks calmer when products have similar scale and breathing room, not merely identical square file dimensions. Here is a practical way to prepare consistent space around every product.
Jan 29, 2025
General SizeWhat ratio is my screenshot
Screenshots from different phones can look similar while having slightly different ratios. Reading the actual file removes guesswork. Here is a practical way to prepare the exact width-to-height relationship.
Sep 12, 2024
General SizePixels to cm, only for screen
Pixels do not have a fixed physical length. A centimetre answer only makes sense after a pixels-per-inch assumption is chosen. Here is a practical way to prepare a clearly labelled screen conversion.
Aug 28, 2024
General SizeImage 4 mb, need under 200 kb
File weight and pixel dimensions are different. Quality, detail, noise, format, and dimensions all affect the final number. Here is a practical way to prepare a smaller JPG with sensible quality.
Jul 16, 2024
General Size16:9 crop for a landscape video cover
A 16:9 frame is familiar for video. The difficult bit is deciding what can leave the photo without making it feel cramped. Here is a practical way to prepare a balanced landscape crop.
Jun 30, 2024
General SizeCustom 800 by 800 for a portal
Government, school, and marketplace portals often ask for exact pixels. Matching the dimensions is separate from matching the KB limit. Here is a practical way to prepare an exact square export.
May 21, 2024
General SizePinterest pin tall size
Pins are meant to be tall enough to notice, but an extremely long graphic can feel awkward and put the useful part below the fold. Here is a practical way to prepare a readable 2:3 layout.
Apr 9, 2024
General SizeLinkedIn banner looks stretched
Stretching happens when width and height are forced independently. Crop to the banner ratio first and faces keep their shape. Here is a practical way to prepare a true wide crop.
Mar 18, 2024
General SizeX header photo too tall
Header space is much wider than it is tall. A normal camera photo must lose a lot from the top and bottom. Here is a practical way to prepare a shallow 3:1 crop.
Feb 24, 2024