Image Cropper

Free Online Image Cropper

Crop your images to perfect dimensions for any platform. Includes presets for Instagram, Facebook, Twitter, YouTube, LinkedIn, and more. All processing happens in your browser – your images stay private.

Popular Aspect Ratios

Why Aspect Ratio Matters

Using the wrong aspect ratio means your images get cropped awkwardly by social media platforms, cutting off important parts of your photo. By cropping to the correct ratio beforehand, you control exactly what viewers see.

How Cropping Affects Composition

The Rule of Thirds

Imagine dividing your frame with two horizontal and two vertical lines, creating nine equal rectangles. Placing your subject at one of the four intersections of the rule of thirds draws the viewer's eye naturally and creates a more dynamic image than dead-center placement. Cropping is often the fastest way to shift a centered subject onto a thirds intersection after the photo has already been taken — no reshooting required.

Negative Space and Headroom

Negative space — the empty area surrounding your subject — creates a sense of scale, breathing room, and visual focus. Cropping too tightly eliminates this breathing room and makes images feel cramped. In portraits, always preserve headroom above the subject's head; cropping at the forehead feels uncomfortable and unfinished. Natural crop points for portraits are mid-chest, waist, or mid-thigh — never at a joint like elbows or knees, which creates visual tension.

Leading Lines

Roads, fences, rivers, and architectural edges guide the viewer's eye through the frame. When cropping, ensure you include the point where a leading line enters the image. Cutting off the start of a leading line eliminates its compositional power and leaves the viewer without an entry point into the scene. For maximum impact, position the line's origin near a corner so it draws the eye diagonally across the entire frame.

How Platforms Auto-Crop Your Images

Every social media platform imposes its own display ratio, and uploading an image outside that ratio means the platform decides what gets cut. Understanding these defaults lets you crop proactively so nothing important is lost.

Instagram feed posts display between 1.91:1 (landscape) and 4:5 (portrait). The 4:5 ratio occupies the most vertical screen real estate and consistently outperforms square posts for engagement. Stories and Reels require 9:16 — any other ratio is letterboxed or cropped. Twitter/X renders timeline images at 16:9 on desktop and approximately 2:1 on mobile. If your image is not 16:9, keep critical content centered because the platform crops from the edges inward.

LinkedIn post images display at 1.91:1 (1200×627 pixels), and the mobile app may crop slightly differently than the desktop feed. Facebook shared-link preview cards crop to 1.91:1 regardless of the uploaded image ratio. Photo posts retain the original ratio in the feed, but the thumbnail preview card is always landscape.

For maximum control, crop to each platform's preferred ratio before uploading, then use the Resize tool to set exact pixel dimensions. Our social media guide covers every platform's requirements in detail.