Resize Images Online

Resize JPG, PNG, SVG or GIF images by setting new height and width. Batch resize multiple images at once.

Drop images here or click to upload

Supports JPG, PNG, GIF, WEBP, SVG

Compress to an Exact File Size

When an upload form names a limit in kilobytes rather than pixels, start from the number it asks for. Each page below targets one budget and reports the size and dimensions it actually reached.

Compress to 20KB Compress to 50KB Compress to 100KB Compress to 200KB

Resize to an Exact Pixel Size

When the requirement is a shape rather than a file size, start from the dimensions themselves. Each page below outputs exactly one size, and tells you how much of the picture was cropped or padded to get there.

Resize to 1080x1080 Resize to YouTube Thumbnail Resize to Twitter Header Resize to 4x6 Resize to 2x2 Inches

What is Image Resizing?

Resizing changes the pixel dimensions of an image while keeping the whole composition. That makes it different from cropping, which discards part of the picture to change the framing. Reducing dimensions is straightforward: the tool has more source pixels than it needs and can average them cleanly. Enlarging is not — new pixels must be invented by interpolation, which can only guess at detail the camera never recorded. You can work in exact pixels when a platform specifies a size, or by percentage when you want to scale a mixed set of images proportionally.

Why Resize Images?

Most images are used at a fraction of the size they were captured at. A 4000-pixel camera photo displayed in a 600-pixel column forces every visitor to download roughly forty times the data they can actually see. Resizing to the real display size is usually the single largest file-size saving available, and it is also how you satisfy the fixed dimensions that avatars, banners, marketplace listings, and print layouts require.

Match the exact dimensions a platform requires

Cut file size more effectively than quality settings alone

Produce a consistent set of sizes for a gallery or catalog

Prepare files at the pixel count a print job needs

How to Resize Images

Write down the destination size before you start, and note whether the platform wants a maximum width, a maximum height, or an exact canvas.

Upload your image or images

Use the quick scale buttons (75%, 50%, 25%) for a proportional reduction, or enter exact pixel dimensions

Keep aspect ratio locked for photographs so faces and circles are not stretched

Click Apply, download, and check the dimensions in the service that will host the image

Frequently Asked Questions

Making an image smaller generally looks clean, because high-quality resampling averages the extra pixels away. Making it larger cannot recover detail that was never captured — the result gets softer, and fine text or patterns are where it shows first. If you need a large version, go back to the highest-resolution original rather than enlarging a web copy.

With the ratio locked, changing the width updates the height automatically (and the reverse), so the proportions of the original are preserved. Unlocking it lets you force an exact canvas, but anything that does not match the source shape will be stretched — obvious on faces, wheels, logos, and architecture. Crop instead when you need a different shape rather than a different size.

Resizing scales the entire image up or down and keeps everything in frame. Cropping cuts away the outer parts, changing what is visible and often the aspect ratio too. To fit a square avatar from a rectangular photo, crop to a square first and then resize that square to the required pixel count — resizing alone would squash the picture.

Work backwards from the physical size and the printer's resolution. At 300 DPI, a 4 by 6 inch print needs about 1200 by 1800 pixels; an A4 page needs roughly 2480 by 3508. Enlarging a web-sized image to reach those numbers adds pixels but not detail, so start from the original camera file whenever a job will be printed.

Yes. Upload a batch and apply the same settings to all of them. Percentage scaling is usually the better choice for a mixed set, because it keeps each image's relative proportions; fixed pixel dimensions suit a set that already shares one aspect ratio, such as product shots taken in the same frame.

Upload limits can apply to pixel dimensions, encoded file size, or both, and a form that mentions only one may be enforcing the other. Check the dimensions and the byte size of the downloaded result separately. If the dimensions are already correct, compress the resized copy rather than shrinking it further.

JPG, PNG, GIF, WebP, and SVG. The output keeps the input format. SVG is vector artwork and scales to any size without loss, so resizing it is only needed when a destination expects fixed pixel dimensions.

Uploads are limited to 50MB. Output dimensions are not capped, but very large canvases take longer to process and use more memory, since all the work runs on your own device rather than a server.

More Image Tools

Explore other powerful tools for your image editing needs

Compress to an Exact File Size

Resize to an Exact Pixel Size

What is Image Resizing?

Why Resize Images?

How to Resize Images

Frequently Asked Questions

More Image Tools

Compress Image

Crop Image

Convert Format

Photo Editor

Rotate Image

Flip Image

Add Watermark

Add Border

Rounded Corners

Filters

Blur Face

Mosaic

Remove Background

Enhance Image

Add Text

Collage

HTML to Image

GIF to Image

Trim Image

Batch Rename Images

Circle Crop

Black & White

Split Image

Merge Images

Change DPI

Image to Base64

Image to PDF

HEIC to JPG

EXIF Remover

Favicon Generator

Color Palette

Base64 to Image

HEIC to PNG

Text Behind Image

Color Picker

Signature Maker

Signature Background Remover

Transparent Background Maker