Bulk WebP Converter

Convert and compress multiple images into WebP format with bulk ZIP download support.

Bulk WebP Converter makes it simple to transform images into the modern WebP format while preserving their original quality and dimensions. What makes Bulk WebP Converter different Maintains original image resolution and visual fidelity Convert multiple images at once with real-time progress tracking Extension remains open while you work—no interruptions Download images individually or as a single ZIP archive Key Features High-quality conversion with no unwanted resizing Easy drag-and-drop interface Adjustable quality settings to balance file size and clarity Batch processing for large sets of images ZIP downloads for convenient sharing and storage File size comparison to see exactly how much space you save Optional resizing while keeping aspect ratio intact 100% local processing—your images never leave your computer Perfect for Web developers optimizing images for faster websites Content creators preparing graphics for online use Digital marketers reducing file sizes for campaigns Anyone wanting to save storage space without losing quality How to use Click the extension icon Drag and drop your images or browse to select files Adjust quality settings (default 0.6 gives excellent balance) Click “Convert All” Download files individually or as a ZIP Technical Highlights Supports JPEG, PNG, GIF, BMP, TIFF, and more Advanced Canvas rendering for accurate results Built on Manifest V3 for speed and security Optimized memory handling for large batches Works fully offline, no internet required Why WebP? WebP images are 25–80% smaller than JPEG or PNG while maintaining the same visual quality. This makes websites load faster, saves disk space, and ensures compatibility with all major browsers. Permissions Explained Storage: Save your preferences Downloads: Save converted images ActiveTab: Keep the extension popup active Privacy All image processing happens locally in your browser. Nothing is uploaded or shared externally.