Online Image Cropper & Aspect Ratio Tool

Crop images online to exact aspect ratios (16:9, 1:1, 4:5, 9:16) or custom pixel coordinates.

Select or Drop Image to CropSupports PNG, JPG, WebP photos

User Manual & Technical Guide

How to Use Online Image Cropper & Aspect Ratio Tool

Complete step-by-step instructions, features, and technical details for using Online Image Cropper & Aspect Ratio Tool online for free.

Input or Upload Data

Paste text, select options, or upload your file directly into the tool controls above.

Instant Client Processing

The tool processes your data 100% locally in your browser with zero latency or delay.

Download or Copy Output

Copy the formatted text result or download your processed file with one click.

Key Benefits of Our Online Image Cropper & Aspect Ratio Tool

100% Free & Unlimited

No hidden costs, premium subscriptions, or daily usage caps.

100% Client-Side Privacy

All calculations and conversions run locally inside your browser memory. Your files are never uploaded to remote servers.

All Devices Compatible

Fully responsive design engineered for iPhone, Android, iPads, laptops, and desktop computers.

No Registration Required

Start using the tool instantly without logging in or signing up.

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Compress Image to 20KB

Compress JPG, PNG photos down to under 20KB for online government & job application forms.

Compress Image to 50KB

Reduce image file size to exactly 50KB for passport photos, ID cards, and signature uploads.

Compress Image to 100KB

Shrink photo file size to 100KB without losing visible image quality or resolution.

Compress Image to 200KB

Compress photo file size to 200KB for online portals, exam registration, and documents.

FAQ

Häufig Gestellte Fragen

Which aspect ratios are supported by this Image Cropper?

You can crop to popular aspect ratios including 16:9 (YouTube/Landscape), 1:1 (Instagram Square), 4:5 (Portrait), 9:16 (Stories/Reels/TikTok), or use freeform custom selection.

Does cropping reduce the photo quality or resolution?

No! The tool uses native high-resolution HTML5 Canvas rendering to export your cropped image with zero compression artifacts.

Are my private photos uploaded to remote servers?

Never. All photo processing, cropping, and rendering occurs 100% locally inside your browser memory.