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Complete Guide

How to Use WebP Converter

Everything you need to know about converting your images to WebP format for faster, more efficient web performance.

Quick Start Guide

Direct URL Conversion

Convert images directly from any URL by appending it as a query parameter. Perfect for browser extensions and bookmarklets.

https://webp.bookllo.com/?upload=https://example.com/image.jpg

Pro tip: You can create a bookmarklet to quickly convert any image you find online!

Features

Image Adjustments

  • Crop images with precision
  • Adjust brightness and contrast
  • Control saturation levels
  • Set custom output dimensions
  • Quality slider for file size control

Batch Processing

  • Convert multiple images at once
  • Download all as a ZIP file
  • Track conversion progress
  • View total size savings
  • Individual file downloads

Privacy & Security

Your images never leave your device!

All processing happens locally in your browser
No server uploads required
Works completely offline after first visit
No data collection or tracking

Frequently Asked Questions