Crop image online

Trim photos freely or lock aspect ratio blocks (1:1, 16:9, 4:3). 100% private in your browser.

How to crop an image online

Follow three simple steps to crop photos with pixel-perfect control.

1

Select your image

Drag and drop your photo into the workspace above or click to browse from your device.

2

Adjust crop box or ratio

Drag the interactive corner handles freely or choose a locked aspect ratio block (1:1, 16:9, 4:3, etc.).

3

Preview and download

Inspect your cropped photo in the live preview window and download it immediately to your device.

Key features of Velenstac Image Crop

Big-screen precision canvas

An expansive visual workspace giving you full freedom to adjust crop boundaries with sub-pixel accuracy.

Aspect ratio blocks

One-click standard blocks for Instagram square (1:1), YouTube landscape (16:9), TikTok stories (9:16), and print frames.

Live crop preview

Open the high-resolution preview modal anytime to inspect your exact crop before downloading.

Rotate & Flip controls

Reorient sideways camera photos and mirror images horizontally or vertically seamlessly before cropping.

100% Client-side privacy

Cropping executes locally in your browser memory. Your confidential images are never uploaded to any remote server.

Fast & free

No sign-up or subscription required. Crop social media photos, banners, and profile pictures instantly.

Frequently asked questions

Does cropping reduce image quality or resolution?

Cropping extracts an exact rectangular region of pixels from your original photo without re-compression degradation. The cropped area retains 100% of its native pixel detail and clarity.

Are my photos uploaded to any server or cloud database?

No. All cropping and image transformations happen 100% in your local web browser using client-side HTML5 Canvas. Your photos never leave your device.

How do the aspect ratio blocks work?

Selecting an aspect ratio block (like 1:1 for square profile photos or 16:9 for widescreen headers) locks the proportions of the crop box. When you drag any handle, the box expands or shrinks while maintaining that exact ratio.

Can I enter exact pixel dimensions manually?

Yes. In the controls panel, you can type precise numbers into the Width, Height, Offset X, and Offset Y fields to position and size your crop box with exact pixel accuracy.

Can I rotate or flip my image while cropping?

Yes. The tool includes 90-degree clockwise and counter-clockwise rotation as well as horizontal and vertical mirror flipping, allowing you to straighten or reorient your photo before cropping.

What image formats are supported?

You can crop JPG, JPEG, PNG, WebP, SVG, and BMP images. The output is downloaded in your image's matching format with full transparency preserved for PNG and WebP files.