Crop Image

Drag to select your crop area. Preset ratios for Instagram, Twitter, YouTube, and print.

Drop your image here 🍡

PNG, JPG, WebP, BMP — any size, mochi handles it all

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After cropping, use the Photo Editor to enhance clarity, then Compress to optimize file size for sharing.

Resize Image Compress Image Add Watermark Crop Image Photo Editor
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How to Crop Images Online

Crop images online with imagemochi's free image cropper. Select a preset aspect ratio like 1:1 for Instagram, 16:9 for YouTube thumbnails, or 4:3 for presentations — or draw a custom selection area. The cropper snaps to your chosen ratio and shows a live preview before you commit. Supports all major image formats including JPEG, PNG, and WebP. Your photos are processed entirely in your browser with zero server uploads, keeping your images 100% private.

1
Upload
Drop your image or click to browse
2
Select
Choose a ratio and drag to select your crop area
3
Download
Save your perfectly cropped image

Frequently Asked Questions

How do I crop an image to a specific aspect ratio?
Select a preset ratio from the dropdown menu — options include 1:1 (square), 4:3 (classic photo), 16:9 (widescreen), 3:2 (DSLR standard), 9:16 (vertical stories), and more. Once selected, drag on the image to define your crop area. The selection automatically maintains the chosen ratio, preventing accidental distortion. You can also drag the corners to resize while keeping the proportions locked.
Can I crop images for Instagram, YouTube, or other social platforms?
Yes — use 1:1 for Instagram feed posts, 9:16 for Stories and Reels, 16:9 for YouTube thumbnails and channel art, and 4:5 for Instagram portrait posts which get more screen space in the feed. For Twitter/X header images, use 3:1. After cropping to the correct ratio, use the Resize tool to scale to the exact pixel dimensions required by each platform.
Is the original image quality preserved after cropping?
Yes — cropping extracts the selected pixel region directly from the original image without recompression when you choose PNG output. The extracted portion retains the full resolution and color information of those pixels. If you choose JPEG output, minimal compression is applied at 92% quality. This makes browser-based cropping lossless or near-lossless, unlike server-based tools that often re-encode your image.
What is the rule of thirds and how does it help with cropping?
The rule of thirds is a photography composition guideline that divides the frame into a 3×3 grid. Placing key subjects along the grid lines or at their intersections creates more visually engaging and balanced images. When cropping, imagine this grid overlay and position the main focal point at one of the four intersection points rather than dead center. This technique is used by professional photographers and cinematographers worldwide.
Can I crop multiple images to the same dimensions in batch?
Yes — configure your desired aspect ratio and output format, then use the batch processing mode to drop multiple files at once. Each image will be cropped to the same ratio from the center. This is ideal for preparing product photo sets for e-commerce stores, creating consistent social media content, or standardizing a portfolio gallery where all thumbnails need identical proportions for a clean grid layout.

Related preset categories

Curated multi-step recipes that build on this tool — drop an image, get the right output for the destination platform without configuring the steps yourself.

Social mediaCrop to platform-specific aspect ratios — 1:1 for Instagram feed, 9:16 for TikTok / Reels, 16:9 for YouTube thumbnails. Marketplace listingsCrop product shots to the 1:1 square required by most marketplace primary-image specs. Passport & IDCrop to the country-specific aspect ratio (35:45 mm for most passports, 33:48 for China, 50:70 for Canada, 1:1 for U.S.).

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