Resize Images to 820×312
Private browser editing, your images stay on your device.
Controls
Images 0
Resize one or more images to 820×312 for Facebook cover photos. Upload a batch, fit each image inside the wide banner box, preview the result, and download selected covers or the full batch. No registration is required.
How to Resize an Image
- Upload one or more images from your device.
- Choose Custom Size or Percentage for the full batch.
- Click any image in the list to inspect its resized preview.
- Download the selected image or the full batch when the sizes look right.
Key Features
Batch Resize Controls
Bulk resize multiple images — apply the same target box or percentage scale across all uploaded files in one run.
Clickable Preview Queue
The first image opens automatically, and you can click any image in the list to inspect its preview.
Aspect Ratio Protection
Keep proportions intact when fitting images into a target box, or unlock the ratio for exact dimensions.
Frequently Asked Questions
Yes. Upload multiple images, set one resize rule, and bulk resize the whole batch. Preview any file in the queue and download each result or all at once.
Reducing size usually keeps quality high. Enlarging can introduce softness, especially above about 150% to 200%, and blur or pixelation become much more noticeable past that.
Percentage scales every uploaded image by the same amount. Custom size lets you target a width and height box, with optional aspect-ratio protection.
Yes. When Lock Ratio is enabled, each image is resized to fit inside the target box without stretching.
No. All resizing happens in your browser, so your image stays on your device.