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Crop photos to 16:9, 4:3, 1:1, 9:16 or a custom ratio with a draggable overlay, then download as PNG. Images stay in your browser.

📘 How to Use

  1. Load a photo by dragging it in or clicking the drop zone
  2. Pick a preset ratio like 16:9, 4:3 or 1:1, or enter a custom one
  3. Drag the crop box to frame your subject, then download

Photo Aspect Ratio Cropper

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Photo Aspect Ratio Cropper｜Crop to 16:9, 1:1, 9:16 and Custom Sizes

Crop any photo to 16:9, 4:3, 1:1, 9:16, 3:2 or 21:9 presets, or type your own custom ratio. Drag the crop box to reframe, then download a clean PNG. Every image stays in your browser.

💡 About this tool

Different platforms expect different shapes. A YouTube thumbnail wants 16:9, an Instagram feed post leans on 1:1 or 4:5, a TikTok or Reels cover is 9:16, and a print order might call for 3:2. When you upload a photo that does not match, the platform crops it for you, usually badly, lopping off the part you cared about.

This cropper flips the order: you choose the target ratio first, then drag the crop box across the image until your subject is framed exactly how you want it. Six presets cover the common cases, and the custom ratio field takes any width:height pair from 1 to 100, so banner strips and gallery frames are covered too. The original resolution and the resulting crop dimensions are shown on screen so you know the output size before you save. Nothing is uploaded anywhere; the photo is read and cropped entirely inside your browser.

🧐 Frequently Asked Questions

Does cropping reduce quality? No. The tool copies the selected region from your original image at its native pixels and exports it as PNG, so there is no upscaling and no extra compression artifacts.

Can I move the crop area? Yes. The crop box is sized to the largest rectangle that fits your chosen ratio, and you drag it around to decide which part of the photo to keep.

What custom ratios can I enter? Any whole-number width and height from 1 to 100. Type the two values, hit Apply, and the crop box updates instantly to that proportion.

Which preset should I use for stories or shorts? Pick 9:16. That vertical ratio matches Instagram Stories, TikTok, and YouTube Shorts covers.

📚 Why these ratios keep showing up

The 16:9 ratio became the broadcast and Full HD standard, which is why nearly every video player and thumbnail slot assumes it today. Square 1:1 rose to prominence as the original social feed shape because a centered subject reads well at small sizes in a scrolling grid. Most cameras shoot 3:2 by default, a proportion inherited from 35mm film, so starting from a 3:2 source and cropping down to 16:9 or 1:1 is one of the most common edits people make before posting.