Does resizing an image reduce its quality?

Resizing down (making an image smaller) generally preserves quality well. Resizing up (enlarging) can cause some softness since new pixels must be interpolated. Use the quality slider at 85–95% for the best balance between file size and sharpness.

Is my image uploaded to your servers?

No. All processing happens entirely in your web browser using the Canvas API. Your image never leaves your device. We cannot see, access, or store your files.

What image formats are supported?

You can upload JPG, PNG, WebP, GIF, and BMP images. You can export as JPEG, PNG, or WebP.

What is the maximum file size?

The limit is 50MB per image. Since all processing is local, actual limits depend on your device memory. Modern devices handle 50MB images without issues.

How do I resize an image to a specific pixel size?

Enter the exact width and height values in pixels. Uncheck the aspect ratio lock if you want non-proportional dimensions. Use the presets dropdown for common social media sizes.

How do I resize an image without losing quality?

Set the quality slider to 90–100% and choose PNG for lossless output. For JPEG, 85–95% gives near-lossless results at a smaller file size. Avoid upscaling beyond 2× the original dimensions.

Can I resize multiple images at once?

The Resize Image tool handles one image at a time. Our upcoming Batch Resize tool will let you resize multiple images simultaneously.

Which format should I choose — JPEG, PNG, or WebP?

JPEG is best for photos. PNG is best for images with transparency, text, or sharp edges. WebP offers the best compression for both types and is supported by all modern browsers.

Resize Image Online Free — No Upload Required | Toolivon

Resize Image Online — Free, Fast, Private

Shrink JPG, PNG, and WebP file sizes without uploading anywhere. Runs entirely in your browser.

or, drag and drop images here

JPG, PNG, WebP, GIF, BMP · up to 50MB each

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How to Resize an Image

1
Upload your image
Click 'Choose File' or drag and drop your image onto the upload area. Supports JPG, PNG, WebP, GIF, and BMP up to 50MB.
2
Set the target dimensions
Enter the desired width and height in pixels. Toggle the aspect ratio lock to maintain proportions automatically, or uncheck it for custom dimensions.
3
Choose output format and quality
Select the output format (JPEG, PNG, or WebP) and adjust the quality slider. JPEG and WebP allow lossy compression for smaller file sizes.
4
Click Resize Image
Hit the Resize Image button. Processing happens instantly in your browser — no waiting for uploads.
5
Download your resized image
Preview the result, compare before and after file sizes, then click Download to save the resized image to your device.

Frequently Asked Questions

Loading Resize Image tool…

How to Resize an Image

Upload your image

Click 'Choose File' or drag and drop your image onto the upload area. Supports JPG, PNG, WebP, GIF, and BMP up to 50MB.

Set the target dimensions

Enter the desired width and height in pixels. Toggle the aspect ratio lock to maintain proportions automatically, or uncheck it for custom dimensions.

Choose output format and quality

Select the output format (JPEG, PNG, or WebP) and adjust the quality slider. JPEG and WebP allow lossy compression for smaller file sizes.

Click Resize Image

Hit the Resize Image button. Processing happens instantly in your browser — no waiting for uploads.

Download your resized image

Preview the result, compare before and after file sizes, then click Download to save the resized image to your device.

Frequently Asked Questions