Free tool · 100% browser-side

Convert images to WebP & AVIF - without uploading a thing.

Heavy PNGs and JPEGs are the #1 reason sites feel slow. Drop your files in, pick a format, and ship images that load in a fraction of the time. Nothing leaves your browser.

PrivacyNo server upload
OutputWebP · AVIF · JPEG
BatchUp to 20 files
// 01 - drop your images

Drag & drop images here

or - PNG, JPG, WebP · up to 20 at once

// why it matters

A 2 MB hero image is a 2 MB problem.

Faster pages, better rankings

Core Web Vitals reward lean images. WebP is typically 25-35% smaller than JPEG; AVIF often 50%+.

Private by default

Conversion runs entirely in your browser. Your files never touch our servers.

Ship-ready output

Same filename, new extension. Drop straight into your CMS, Webflow, WordPress or static site.

// need more than a tool?

We make slow sites fast - properly.

Image work is one slice. Real performance comes from how the whole site is built. That's what KadoshDev does.

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