Resize Image to 1280×720

Where 1280 by 720 sits

1,280 by 720 is exactly half of Full HD in each direction, which is a quarter of the pixels. That relationship is why it is worth understanding rather than treating as an arbitrary number. An image at this size is comfortably sharp on a phone, on a laptop at typical viewing distance, and as a video frame, while using a quarter of the data of the same picture at 1080p.

NoteAll of these are 16:9. Matching the ratio means one export fits video, slides, and wallpaper without a second crop.

Where 720p genuinely makes sense

There are real cases where 1080p is wasteful rather than better. A background image behind a block of text does not need 4K, and at 720p it will look identical. A video thumbnail, a presentation slide viewed on a projector, a course preview, and an email header are all cases where the image is not examined at full pixel level. Saving three quarters of the bytes in those cases is a real improvement, not a compromise.

• Backgrounds and decorative images where text sits on top.
• Video thumbnails and preview frames shown in a grid.
• Slides and documents projected or shared as images.
• Email images, where payload size affects deliverability.
• Any image that will be displayed well below its native size.

Fitting other shapes into a 16:9 frame

Almost no source image is 16:9, so the fitting mode is the decision that actually matters here. Fill crops the top and bottom, which suits a landscape photo and keeps the full width. Fit keeps the entire image and pads the sides with a solid colour, which suits a screenshot or a diagram. Stretch forces the dimensions and distorts, and it is the wrong choice for a photograph in almost every case.

• Fill for landscape photos, where the vertical excess is sky, ground, or a headroom you do not need.
• Fit for screenshots, charts, and anything that must stay complete.
• Set the padding colour deliberately, otherwise you get default white bars.
• Crop manually with the image cropper when the subject position is important.

NoteA source smaller than 1,280 by 720 is enlarged to reach the target, with a warning. Enlarging does not recover detail.

Export settings that match the use

Once the dimensions are right, the format and quality decide the file size. JPG suits photographs and gives the smallest file at a good quality. WebP and AVIF are smaller again and well supported for web delivery. PNG is lossless and correct when transparency or hard edges matter, at the cost of a much larger file. Choosing deliberately beats accepting whatever the source was.

• Photograph: JPG at balanced quality is a sensible default.
• Website or app: WebP or AVIF for smaller files at the same appearance.
• Graphic with transparency: PNG or WebP lossless to keep edges clean.
• Avoid very high quality settings. The extra file size buys almost nothing at this size.