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Resize Image to 900x900 (900 x 900 Pixels)

Resize any photo to exactly 900×900 pixels for large website images, galleries and product photos. Crop, fit or stretch: free and private in your browser.

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900 x 900 pixels: uses, aspect ratio and how to resize

900×900 pixels is a large web square that still loads quickly. It suits gallery lightboxes, portfolio pieces, product images on shops that open a bigger view on click, and featured images in wide layouts. It holds 0.81 megapixels (enough to look sharp full screen on most phones) while a 90% JPG typically stays around 140 to 320 KB.

A 900 × 900 image holds 810,000 pixels (0.81 MP). Saved as a JPG at the default 90% quality, a typical photo at this size weighs roughly 140 to 320 KB; logos and flat graphics are usually lighter. In print, 900 pixels span 3 in (7.6 cm) at 300 DPI, or 6 in (15.2 cm) at 150 DPI.

What 900 × 900 pixels is used for

  • Product galleries: the larger image that opens when a shopper clicks a thumbnail.
  • Portfolios and lightboxes: square artwork and photography shown full screen.
  • Featured and hero images: square visuals in wide blog or landing-page layouts.
  • Upload forms: sites that ask for a 900 × 900 image or a minimum of 900 px.

How to resize an image to 900 × 900 pixels

  1. Drop your images on the box, click to choose them, or paste one with Ctrl+V (JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, TIFF, SVG; up to 80 MB each).
  2. The size is preset to 900 × 900 px with Crop to fill; choose which part to keep (center, top, bottom, left or right) or switch to Fit with background or Stretch.
  3. Pick the format: Original, JPG, PNG, WebP or AVIF (in browsers that can encode it), and set the quality, or switch to Target size and enter a limit in KB.
  4. Drag the before/after slider on the preview; every change is re-rendered live.
  5. Click Download, or Download all (ZIP) for several files, named like photo-900x900.jpg.

Turning a non-square photo into 900 × 900

Phone and camera photos are usually 4:3 or 3:2, so a square needs a decision. Take a 4000 × 3000 shot: Crop to fill scales it to 1200 × 900 and trims about 150 px from the left and right edges. Fit with background keeps the whole picture at 900 × 675 and fills 113 px above and below with white, black, grey, any colour or transparency (PNG, WebP, AVIF). Stretch squeezes it to 900 × 900, which distorts faces, so keep it for images that are almost square already. With Fit, the Don't enlarge smaller images option centres a small source at its own size instead of blowing it up.

Tips for 900 × 900 images

  • If a marketplace needs 1000 px or more for zoom (Amazon does), pick 1080 or 1200 instead: 900 px will not trigger it.
  • For galleries with dozens of photos, WebP saves a lot of bandwidth without visible loss.
  • Use Fit with background and white for product photos that must show the whole item without cropping.

Everything runs in your browser: images are never uploaded, and there is no account, no watermark and no limit on the number of files. Under More options you can write a DPI value into JPG and PNG files or change the file-name pattern, and location and camera data (EXIF) are always removed. Related tools: 1080×1080 resizer, 800×800 resizer and compress to 100 KB.

900x900 image size at a glance

PropertyValue
Dimensions900 × 900 pixels
Aspect ratio1:1
Orientationsquare
Total pixels810,000 (0.81 MP)
Print size at 300 DPI3 × 3 in (7.6 × 7.6 cm)
Print size at 150 DPI6 × 6 in (15.2 × 15.2 cm)

Related sizes: 700×700, 800×800, 1024×1024, 1080×1080. For any other width and height, use the custom size resizer.

Features

  • Exact 900 × 900 px output with crop, fit or stretch
  • Choose what to keep: center, top, bottom, left or right
  • JPG, PNG, WebP or AVIF with quality or target-size control
  • Batch processing and ZIP download, all in your browser
  • Large, sharp squares that still load fast
  • Fit with white background for full product shots

Frequently asked questions

What is a 900x900 image used for?

Large product gallery images, portfolio and lightbox images, square featured images and forms that ask for 900 × 900 pixels.

Is 900x900 enough for Amazon zoom?

No, Amazon's zoom needs at least 1000 px on the longest side. Use 1080 × 1080 or 1200 × 1200 for Amazon listings.

How many KB is a 900x900 image?

Roughly 140 to 320 KB as a JPG at 90% quality, less as WebP.

How do I resize a photo to 900x900 without cropping it?

Choose Fit with background. The whole photo is scaled to fit inside 900 × 900 px and the empty space is filled with a colour you choose, or left transparent when you save as PNG, WebP or AVIF.

What size is 900x900 pixels in inches or cm?

At 300 DPI it prints at 3 × 3 in (7.6 × 7.6 cm); at 150 DPI at 6 × 6 in (15.2 cm). On screen only pixels count; DPI matters for printing and can be set under More options.

Can I resize multiple images to 900x900 at once?

Yes. Add as many images as you like (they all get the same settings) then download them one by one or together as a ZIP file.

What aspect ratio is 900 x 900?

900 x 900 is a square, so its aspect ratio is 1:1: the width and the height are the same.