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Resize WebP Online Free

Resize your WebP files to any size — free, instant, and private. Upload up to 12 images at once for batch resizing; nothing leaves your device.

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100% Free & no login required. Your images never leave your device.

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How It Works

Step-by-step guide to resize webp to exact specifications

Upload Your WebP Files

Drag and drop your WebP files or click to browse. Add a single file or up to 12 at once for batch resizing. JPG, PNG, WebP, and PDF inputs all work.

Set Your Dimensions

Enter the width and height you need in pixels, inches, cm, or mm. Lock the aspect ratio to keep proportions, or unlock it for an exact fit. The output stays as WebP.

Download Your WebP

Preview the result, then download your resized WebP instantly — or grab the whole batch at once. Nothing was uploaded, so your files stay yours alone.

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Why Choose Imresizer?

Fast, secure, and completely free image resizing

  • Privacy Guaranteed

    Your WebP files never leave your device. Every resize runs locally in your browser, so nothing is uploaded and nothing is stored on a server.

  • Resize to Exact Dimensions

    Set any width and height in pixels, inches, cm, or mm. Your WebP comes out at the precise size a website, print lab, or upload form asks for.

  • Keep WebP Output

    Upload a WebP and download a WebP — the output format is preset for you. You can still switch to another format mid-resize if you need to.

  • Batch Resize Up to 12 Files

    Drop in up to 12 files at once and resize them all to the same dimensions in one pass. No repeating the same steps file by file.

  • Lock or Free the Aspect Ratio

    Keep your WebP in proportion to avoid stretching, or unlock the ratio to force an exact width and height. You decide which one matters.

  • Instant Results

    Because everything happens on your device, your resized WebP is ready almost as fast as you drop it in — no waiting on a slow upload.

  • Preview Before You Download

    Check the resized WebP next to your original before saving. If the size or crop looks off, adjust and re-export — you're never stuck with a surprise file.

  • Free & Unlimited

    Resize as many WebP files as you want, completely free. No account, no watermark on your output, and no daily cap.

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Reduce Image Size in KB

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Frequently Asked Questions

Everything you need to know about image resizing

How do I resize a WebP file?

Upload your WebP, enter the width and height you need, and download the result. The output is already set to WebP, so there's nothing extra to configure. The whole thing runs in your browser and takes a few seconds.

Is the WebP resizer free?

It's completely free with no limits. There's no paywall, no account to create, and no watermark added to your resized WebP. Resize as many files as you need.

Will resizing reduce my WebP quality?

Shrinking a WebP keeps it sharp, since you're removing pixels rather than inventing them. Enlarging well beyond the original can soften edges — for the cleanest result, start from the highest-resolution WebP you have.

Can I resize several WebP files at once?

Drop in up to 12 files together and resize them all to the same dimensions in one batch. It's faster than opening each WebP one at a time, and every file gets the same width, height, and format settings.

Are my files private when I resize a WebP?

Your WebP files never get uploaded. The entire resize happens locally in your browser, so they stay on your device the whole time. When you're done, you can clear them from browser storage for extra peace of mind.

What dimensions can I resize a WebP to?

Set any width and height in pixels, inches, centimeters, or millimeters. Pixels suit screens and social media, inches fit US print, and cm or mm match passport and ID photo standards. Lock the ratio to avoid stretching.

Do I need to install anything to resize a WebP?

No download required. The resizer runs in any modern browser on your phone, tablet, or computer. Open the page, drop in your WebP files, set the size, and download — there's nothing to install or sign up for.

Can I change the format while resizing my WebP?

Alongside resizing, you can switch the output to JPG, PNG, WebP, or PDF in the same step. So if a site needs a different format than your original WebP, you handle the resize and the conversion at once.
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