Resize Canvas Without Cropping or Stretching Your Image
Change the canvas dimensions around any image while keeping the full photo intact. No cropping, no distortion, no quality loss. Fast, free, and fully private -- everything runs in your browser.
Canvas Resizer & Trimmer
Upload or Drop Image Here
Supports PNG, JPG, WebP, SVG & BMP. Or simply press Ctrl+V / Cmd+V to paste.
Drop Multiple Images Here
Add multiple images to queue and resize in batch
| File Name | Original Size | Target Size | Status | Action |
|---|---|---|---|---|
| No files in batch queue. Add images above. | ||||
The frame changes. The image does not.
This tool changes the canvas -- the frame around your image -- not the image itself. Your original photo stays at full resolution and full quality. You control the surrounding space, where the image sits inside that space, and what fills the empty area. That is the entire point.
What you can do with it
Fixing design-tool canvas limitations
Canva locks canvas resize behind a paid plan. Photoshop requires navigating nested menus. This tool gives you direct control over canvas dimensions without either.
Preparing uniform product photos for online stores
E-commerce platforms require consistent canvas sizes across product listings. Expand each photo to the same dimensions with centered positioning and a matching background.
Batch-processing multiple images for a project
Upload a set of images, apply the same canvas dimensions and background to all of them, and process them in sequence. No need to handle each file individually.
Adapting one image for multiple platform sizes
A single image may need to fit a square Instagram post, a wide YouTube thumbnail, and a vertical Story. Resize the canvas for each format without touching the original image.
What to avoid
Stretching the image to fill the new canvas
Stretching distorts proportions and degrades visual quality.
Keep the image at its original size and adjust the canvas around it.
Adding too much padding around the image
Excessive padding wastes space and makes the image look lost.
Use only the padding you need for the intended layout.
Using the wrong background color for the platform
Mismatched backgrounds look unprofessional and inconsistent.
Match the background color to the platform or brand guidelines.
Cropping the image instead of resizing the canvas
Cropping permanently removes parts of the image.
Resize the canvas to add space without losing any part of the image.
Ignoring aspect ratio when setting dimensions
Ignoring aspect ratio leads to unintended stretching or squishing.
Lock the aspect ratio or carefully set both width and height.
Built for the exact problem
100% Client-Side Processing
Every operation runs locally in your browser. No images are ever uploaded to any server.
Transparent Background
Expand the canvas with a fully transparent background for maximum flexibility in any design workflow.
Custom Background Colors
Pick any solid color to fill the expanded canvas area, matching your brand or platform requirements.
Anchor Positioning
Control exactly where the image sits within the new canvas using 9-point anchor positioning.
Batch Processing
Process multiple images at once with consistent canvas dimensions and background settings.
Smart Presets
Quickly apply common canvas ratios like 1:1, 16:9, and 9:16 with a single click.
Frequently Asked Questions
Yes. Resize Canvas is completely free with no hidden fees, no watermarks, and no usage limits.
No. All processing happens entirely in your browser. No image data leaves your device.
You can export your resized canvas as PNG, JPG, or WebP. Input formats include PNG, JPG, JPEG, GIF, BMP, and WebP.
Yes. You can set exact pixel dimensions for both width and height, or use percentage-based scaling.
Image resizing changes the actual image dimensions. Canvas resizing changes the frame around the image while keeping the image itself unchanged.
Yes. You can set the canvas background to fully transparent, which is useful for design workflows and PNG exports.
Yes. Upload multiple images, set your desired canvas dimensions and background, and process them all at once.
Yes. Resize Canvas works entirely in the browser and is responsive on both desktop and mobile devices.
Anchor positioning lets you choose where the image sits within the expanded canvas -- top-left, center, bottom-right, and so on.
Yes. The tool provides undo and redo functionality so you can experiment freely without losing your work.