OneImage
Your images, your device

Private Image Crop – Offline Processing, Zero Upload

Complete privacy with 100% local processing

Export

Estimated size: -
40%90%100%
Export pixelsFollow crop & preset

Use the crop size from your preset; no extra resampling.

💡 ⌘/Ctrl+E 快速导出📐 Output size:

Overview

Privacy‑first design: all processing happens locally; your images never leave your device.

Pro tips

  • Work offline after first load
  • Avoid uploading private assets to third‑party services
  • Export locally and back up to your storage
  • Clear recent files if using shared devices

Common mistakes

  • Closing the tab loses unsaved exports
  • Shared devices may have limited storage

Examples

  • Sensitive documents redaction crops
  • Confidential product shots
  • Personal photos on shared networks

How privacy protection works

1

Load images locally

Images are processed entirely in your browser using Web Workers and Canvas API.

2

Crop offline

Once loaded, the tool works completely offline – no internet connection needed.

3

Export directly

Cropped images save directly to your device. Nothing is uploaded to any server.

Frequently asked questions

Everything you need to know about using the crop tool effectively and troubleshooting common scenarios.

1

Are my images really private?

Yes, 100%. All processing happens in your browser using client-side JavaScript. Your images never leave your device or touch our servers.

2

Can I use this tool offline?

Yes! After the first load, the tool is cached as a Progressive Web App and works completely offline.