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How to Crop Images Online - The Complete Guide

Master image cropping for social media and web. Learn about aspect ratios, composition, and how to use our free online crop tool.

Why Cropping Matters

Cropping is one of the most powerful yet simple editing techniques. It allows you to remove unwanted distractions, improve composition, and focus the viewer's attention on the subject. Whether you are preparing a profile picture or a website header, correct cropping ensures your image fits the specific requirements of the platform.

Rule of Thirds

Align your subject with the grid lines to create balanced and energetic photos.

Focus on Subject

Cut out cluttered backgrounds to make your subject stand out clearly.

Aspect Ratio

Ensure your image fits the destination container (e.g., 16:9 for YouTube).

Social Media Cheat Sheet 2026

Instagram

  • Square: 1080 x 1080 (1:1)
  • Portrait: 1080 x 1350 (4:5)
  • Stories: 1080 x 1920 (9:16)

Facebook

  • Post: 1200 x 630 (1.91:1)
  • Profile: 170 x 170 (1:1)
  • Cover: 851 x 315

Twitter (X)

  • Post: 1600 x 900 (16:9)
  • Header: 1500 x 500 (3:1)
  • Profile: 400 x 400 (1:1)
YT

YouTube

  • Thumbnail: 1280 x 720 (16:9)
  • Channel Art: 2560 x 1440
  • Icon: 800 x 800 (1:1)

Ready to Crop?

Use our free online tool to crop your images with pixel-perfect precision. No upload required - everything happens in your browser.

Open Crop Tool

Precision Control

Pixel-perfect cropping with adjustable handles and custom inputs.

Preset Ratios

One-click presets for all major social media platforms.

Instant Preview

See exactly what your cropped image looks like in real-time.

Related Tools

Crop Image Tool
Resize Image
Compress Image

Frequently Asked Questions

Does cropping reduce image quality?▼
No, cropping itself just removes pixels from the edges and does not reduce the quality of the remaining image. However, if you crop a small section and then enlarge it, it may look pixelated.
What are the best aspect ratios for social media?▼
Instagram Posts: 1:1 (Square) or 4:5 (Portrait). Instagram Stories: 9:16. Facebook Posts: 1.91:1. Twitter: 16:9. LinkedIn: 1.91:1.
Can I crop circular images?▼
Our tool supports circular crop previews, which is perfect for visualizing profile pictures. The output will be a square image with transparent corners (PNG) or white corners (JPG).

Ready to get started?

Process images in your browser. No upload, no signup, 100% free and private.

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