Pixoro
100% client-side · Files never leave your device

Convert images to WebP
instantly, privately, free.

Pixoro shrinks JPG, PNG & WebP images right in your browser — no uploads, no signup, no limits. Built for SEO pros, designers and bloggers who care about Core Web Vitals.

⚡ Faster Core Web Vitals🔒 Zero uploads♾️ Unlimited batch📱 Works on any device

Drop images here to start

or tap to browse · JPG, PNG, WebP · Secure local processing

How to convert images to WebP with Pixoro

  1. 1

    Drop your images

    Drag JPG, PNG, or WebP files into the upload area above, or tap to browse from your device.

  2. 2

    Pick your settings

    Choose WebP, JPEG or PNG as the output. Adjust quality (10–100%) and optional max width / height.

  3. 3

    Convert & download

    Click Convert, then download files one by one or grab them all in a single ZIP archive.

Why convert images to WebP?

WebP is a modern image format developed by Google that delivers superior lossless and lossy compression. Compared to JPG and PNG, WebP files are typically 25–35% smaller at the same visual quality — directly improving your site's Largest Contentful Paint (LCP), Core Web Vitals, and search rankings.

  • Up to 35% smaller than JPG, 50% smaller than PNG
  • Supports transparency like PNG
  • Supported in 97%+ of modern browsers
  • Recommended by Google PageSpeed Insights

Built for everyone

SEO professionals

Hit Core Web Vitals targets, reduce LCP, and ship lighter pages without leaving the browser.

Web designers

Batch-optimize hero images, mockups, and asset libraries with pixel-perfect quality control.

Bloggers & creators

Shrink phone photos before uploading to WordPress, Ghost, Medium, or Shopify.

Frequently asked questions

Is Pixoro really free and unlimited?+

Yes — 100% free, no signup, no watermark, no daily limits. Because everything runs in your browser, we have zero server costs.

Are my images uploaded to a server?+

Never. Files are processed entirely on your device using the HTML5 Canvas API. Nothing is uploaded, logged or stored anywhere.

Why convert images to WebP?+

WebP files are typically 25–35% smaller than JPG/PNG at the same quality, making your pages load faster and rank better on Google.

Which browsers can open WebP files?+

All modern browsers — Chrome, Edge, Firefox, Safari 14+, Opera and Brave — covering 97%+ of users worldwide.

Can I batch convert many images at once?+

Yes. Drop in dozens of images, click Convert All, then Download All as ZIP for a one-click workflow.

Does Pixoro work offline?+

Yes. Once the page has loaded, you can disconnect from the internet — conversions still run locally on your device.

What is the maximum file size?+

Pixoro imposes no hard limit; your device's memory is the only constraint. Most phones and laptops handle 50MB+ images comfortably.