Convert PNG & JPG to WebP or AVIF Instantly

Fast, free image conversion optimized for modern websites. No account required.

Free Online WebP & AVIF Converter

WebP Now lets you convert PNG and JPG images into modern image formats like WebP and AVIF. These formats are designed for better compression and improved website performance.

WebP and AVIF images are significantly smaller than traditional PNG or JPEG files while maintaining excellent visual quality. This makes them ideal for websites, blogs, online stores, and web applications that need fast loading times.

Our converter is simple: upload your PNG or JPG file, choose WebP or AVIF, and download the optimized image. No login. No hidden watermarks. Your file is automatically deleted after download or within 60 minutes.

Why Convert to WebP or AVIF?

Smaller File Sizes

WebP and AVIF reduce image size dramatically compared to PNG and JPEG. Smaller images mean faster loading times and improved user experience.

Better SEO Performance

Page speed is a ranking factor. Optimized images can help improve Core Web Vitals and search engine visibility.

Modern Browser Support

Most modern browsers support WebP and AVIF, making them a safe choice for websites in 2026 and beyond.

Quality presets explained

Smallest

Maximum compression for smallest file size. Best for supporting visuals, previews, and image-heavy templates.

Balanced (default)

Recommended for most use cases. It targets strong size reduction while keeping visual quality stable.

Highest

Best for hero sections, product detail images, and marketing creatives where preserving fine detail is more important than maximum compression.

How to Convert Images Online

  1. Upload your PNG or JPG file.
  2. Choose WebP or AVIF format.
  3. Download your optimized image instantly.

Your files are automatically removed after download.

FAQ

Is this WebP converter free?

Yes, our PNG and JPG to WebP or AVIF converter is completely free to use.

Do you store my images?

No. Files are automatically deleted after download or within 60 minutes.

What is the maximum file size?

Currently, you can upload images up to 10MB.

Which format is better, WebP or AVIF?

AVIF usually provides smaller file sizes, while WebP offers broader compatibility. See our WebP vs AVIF comparison page.

Which quality preset should I start with?

Start with Balanced. Switch to Smallest for aggressive compression or Highest for critical visuals that need more detail.