Optozap

Convert PNG to WebP

Drag and drop images and convert to WebP entirely in your browser.

Free Plan Limitation

You can convert up to 999 file at a time.

Drag and drop images here
or click to select files
Transform mode
Longest side (px)
Width (px)
Height (px)
Crop position
Preserve Aspect Ratio (fit image inside target size)
Quality (%)
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Best WEBP Converter Online

Convert files to WEBP with minimal quality loss using a clean, intuitive interface. Processing happens locally in your browser—fast, private, and free.

Seamlessly convert between formats and tweak export settings where supported.

Fast & Easy WEBP Converter

Drag and drop your files and convert in seconds. No accounts, no installs—just pick your files and convert.

The minimalist interface keeps you focused. Choose presets for common targets or customize advanced options when available.

Batch Convert Files

Add multiple files and convert them together. When you're done, download everything in one archive.

Save time on repetitive workflows—process albums, podcasts, event footage, or image sets in one go.

Popular Files Conversion Options

Explore supported formats and direct converters from the home page.

FAQ

Do my files get uploaded?

No. Conversions run locally in your browser. Your files never leave your device.

How do I convert multiple files?

Add multiple files to the queue, click Convert, then use Download all (.zip) to grab everything at once.

How do I keep the best quality?

Choose higher quality settings where available and avoid repeated lossy re-encodes.

Which formats are supported?

This page is optimized for PNG → WEBP. See the formats pages for full lists.