80%

The best & fastest way to convert your images to WebP

Drag & Drop or click to browse

Client side batch convert JPG, PNG, GIF, SVG, ICO, BMP, TIFF, HEIC, AVIF to WEBP.
100% free, instant - leveraging all your cores, unlimited in your browser.
No uploads - Your files stay Private and no bandwidth needed
No cookies - No tracking!

☕ Buy me a coffee

100% Secure & Private

Unlike other tools, we run locally. Your images strictly never leave your device. No cloud uploads, no server storage, zero privacy risk.

Blazing Fast

Utilize your computer's full power. Batch convert hundreds of JPEG, PNG, or AVIF images to WebP in seconds—faster than any server-side converter.

Smart Optimization

Reduce file size by up to 80% while maintaining visual quality. Perfect for improving Core Web Vitals and SEO rankings for your own website.

How to Convert Images to WebP

  1. 1

    Upload or Drag & Drop

    Select your PNG, JPEG, or JPG images and drop them into the converter area.

  2. 2

    Automatic Conversion

    ToWebP.dev instantly processes your files locally using advanced browser technology.

  3. 3

    Download & Save

    Download your optimized WebP files individually or as a ZIP archive.

Why Choose ToWebP.dev vs Others?

Many converters upload your sensitive photos to a remote server. This creates a privacy risk and slows down the process with upload/download times. ToWebP.dev operates differently: it's a Progressive Web App (PWA) that processes images directly in your browser memory. This means military-grade privacy (the data never touches the internet) and instant speeds.

WebP for Better SEO

Google explicitly favors fast-loading websites. Converting your PNGs and JPEGs to modern WebP format can significantly reduce page weight, improve LCP (Largest Contentful Paint), and boost your site's SEO ranking. ToWebP.dev is the perfect tool for web developers and designers to bulk optimize assets.

Why use ToWebP.dev?

Because it is a privacy-first image converter that runs entirely in your browser.

No Cookies, No Tracking. We believe in a clean and fast web.
This site does not use persistent cookies or trackers, so you won't be pestered by consent banners.
Just drag, drop, and convert with zero traces left behind.

Frequently Asked Questions

Is my data safe?

Yes, 100%. Unlike other converters, ToWebP.dev runs client-side. Your images never leave your computer.

Can I convert images offline?

Absolutely. ToWebP.dev is PWA-enabled. You can install it and use it without an internet connection.

What formats are supported?

We support converting from JPG, JPEG, PNG, BMP, and GIF (static) to WebP format.

Is it free?

Yes, ToWebP.dev is completely free with no daily limits or watermarks.

100% GDPR Compliant & Worry Free

No Tracing. No Cookies.
No Local Storage spying!
We respect your User Rights by design.
ToWebP.dev is a pure utility tool that does one thing well without collecting a single byte of your data.