Upscale Image

What is an image upscaler?

An image upscaler makes a picture larger by increasing its width and height in pixels. If you have a small photo and need a bigger one for a banner, a print or a product listing, an upscaler creates a larger version in one click. You can enlarge an image 2x, 3x or 4x, and choose how much sharpening to apply.

Our upscaler runs in your browser, so your image is never uploaded to a server. It is free, adds no watermark and needs no signup.

Features of this free image upscaler

• Upscale 2x, 3x or 4x: Choose how many times larger the width and the height should become.
• Adjustable sharpening: Add a little sharpness to balance the softness that enlarging causes.
• JPG, PNG and WebP: Upload any of the three formats and save the result in the format you prefer.
• Before and after: Compare the original with the enlarged image and see the new size in pixels and in file size.
• Private by design: Your image stays in your browser and is never sent to a server.
• Safe limits: The tool warns you before a result becomes too large for your browser.

How does this image upscaler work?

The tool enlarges your image in steps, doubling the size at each step, using the high-quality smoothing built into your browser. Growing an image gradually gives smoother edges than jumping to the final size in one go. After the last step, an optional sharpening filter makes edges and fine lines look crisper.

This is a high-quality resize with sharpening. It does not use artificial intelligence, so it cannot invent new detail that was never in the picture. The result is a larger, clean image, but a very small or blurry photo will still look soft when it is enlarged.

Upscaling vs AI upscaling

AI upscalers use a trained model to guess realistic detail such as hair, skin and texture, and they can give sharper results on photos. They need powerful servers or large models, so they are usually paid. A classic upscaler like this one is fast, free and private. It is a good choice when you need a bigger version of a clear image, for example a logo or a graphic, or when a small increase in size is enough.

When do you need to upscale an image?

• Printing: A larger image helps you reach the pixel size needed for a good print.
• Banners and covers: Fit a small picture into a wide banner or header.
• Marketplace and store listings: Some sites require a minimum image size.
• Presentations and screens: Fill a big display without the picture looking tiny.
• Old photos and screenshots: Make small files easier to see and edit.
• Design work: Create a larger working copy of a small graphic.

How to choose the scale and sharpness

• 2x: The safest choice. Quality stays good for most images.
• 3x and 4x: Use these for small images that you must enlarge a lot, and expect more softness.
• Sharpening of 30 to 50 percent: A gentle boost that works for most photos.
• Sharpening above 70 percent: Can create bright edges around objects, so use it only for blurry images.
• Output format: Choose PNG for graphics and logos, and JPEG or WebP for photos to keep the file smaller.

Tips for the best result

• Start from the largest original: The more pixels you start with, the better the enlarged image looks.
• Avoid heavily compressed images: Blocky JPG files stay blocky after they are enlarged.
• Upscale only once: Enlarging an image that was already enlarged makes it softer.
• Compress afterwards: Large images make large files. Reduce the size with the Image Compressor after upscaling.
• Check at full size: Zoom in to 100 percent to judge the result.

Limits of this tool

The enlarged image can be up to 25 megapixels and up to 10,000 pixels on its longest side, and your original can be up to 25 MB. A very small image, such as one that is only 100 pixels wide, cannot become sharp however far you enlarge it.

Step-by-step: upscaling your image

• Step 1: Add your image: Choose a picture or drag it into the box. The tool works with JPG, PNG and WebP.
• Step 2: Pick the scale: Choose 2x, 3x or 4x. Start with 2x, because it gives the cleanest result for most pictures.
• Step 3: Set sharpening and format: Use a gentle sharpening of 30 to 50 percent, and choose PNG for graphics or JPEG and WebP for photos.
• Step 4: Upscale and compare: Click Upscale image and compare the result with the original. The new size is shown in pixels.
• Step 5: Download: Click Download to save the larger image. If it looks too soft, go back and try a lower scale or a little more sharpening.

Common problems and fixes

• The enlarged image looks soft: Enlarging cannot create new detail, so small or blurry pictures stay soft. Add a little more sharpening, or start from a larger original.
• There are bright edges around objects: The sharpening is too strong. Lower it to about 30 to 50 percent and try again.
• I see a warning about the size: The result can be up to 25 megapixels and up to 10,000 pixels on the longest side. Choose a lower scale, such as 2x instead of 4x.
• The file is very large: Bigger pictures make bigger files. Save the result as JPEG or WebP for photos, or use the Image Compressor after upscaling.
• The picture has blocky squares: A heavily compressed JPG keeps its blocks when it is enlarged. Use a better copy of the picture if you have one.

Other image tasks you may need

• Set an exact size: Use the Image Resizer to set a width and height in pixels, by percentage or for a social media preset.
• Make files smaller: Use the Image Compressor to reduce the file size after upscaling.
• Remove a background: Use the Remove Background tool to cut out a subject and save a transparent PNG.
• Change the format: Use the WebP to PNG or PNG to JPG tools if a site or program needs a different format.

Upscale your image now

Add your picture in the box above, choose a scale and download a larger version in seconds. It is free, adds no watermark and needs no signup.