Image Cropper – Crop Images Online for Free
Upload any image, select a crop area with draggable handles, choose from preset aspect ratios, and download the result as JPG or PNG. Everything runs in your browser — your images are never uploaded to any server.
Image Cropper
Click or drag & drop an image here
Supports JPG, PNG, WebP, GIF
Why Use the Tools Oasis Image Cropper?
Tools Oasis gives you a powerful, free image cropper that runs entirely in your browser. No uploads, no watermarks, no software to install.
Canvas size reduction
Cropping removes unwanted areas and reduces file size proportionally to the pixels removed.
100% Private
Your images never leave your device. All processing happens locally using browser Canvas and WebAssembly APIs.
Instant Results
Conversion completes in under a second. No upload progress bar, no server queue.
Works Everywhere
Chrome, Safari, Firefox, Edge — fully functional on desktop and mobile.
Frequently Asked Questions
01 Are my images uploaded to a server?
No. All image processing happens entirely in your browser using the HTML5 Canvas API. Tools Oasis never uploads, stores, or accesses your images. They remain 100% on your device.
02 What image formats are supported?
You can upload JPG, PNG, WebP, and GIF images. The cropped result can be downloaded as either PNG (lossless) or JPG (smaller file size).
03 Can I set a custom crop size?
Yes. You can type exact pixel dimensions in the width and height fields, or choose from preset aspect ratios like 1:1, 4:3, 16:9, 3:2, and 2:3.
04 Is there a file size limit?
There is no hard limit. However, very large images (above 50MP) may be slower to process depending on your device's memory and processing power.
05 Can I zoom into the image for precise cropping?
Yes. Use the zoom in/out buttons to adjust the display size of the image. This helps you make precise crop selections on large or detailed images.
More Questions About Image Cropping
01 Are my images uploaded to a server?
No. All image processing happens entirely in your browser using the HTML5 Canvas API. Tools Oasis never uploads, stores, or accesses your images. They remain 100% on your device.
02 What image formats are supported?
You can upload JPG, PNG, WebP, and GIF images. The cropped result can be downloaded as either PNG (lossless quality) or JPG (smaller file size, great for photos).
03 Can I set a custom crop size?
Yes. You can type exact pixel dimensions in the width and height input fields, or use the draggable handles for visual selection. Preset aspect ratios (1:1, 4:3, 16:9, 3:2, 2:3) are also available.
04 Is there a file size limit?
There is no hard limit imposed by this tool. However, very large images (above 50 megapixels) may process more slowly depending on your device's memory and processing power.
05 What aspect ratio should I use for social media?
Instagram posts use 1:1 (square), Instagram stories use 9:16, Facebook and Twitter images work well at 16:9, and profile pictures are typically 1:1. Use the preset buttons to quickly select these ratios.