Free Online Image Compressor & Optimizer.
Compress JPG, PNG and WebP, convert images to WebP, resize images and reduce image file size without uploading files to a server. Fast, private image optimization that runs entirely in your browser.
- No uploads
- No account
- No cookies
- Free to use
Image Compressor & WebP Converter
Runs online, your files remain privateYour image is processed locally and never uploaded.
Image compression & optimization tools.
Compress images, reduce file size, convert to WebP and resize images with focused tools built for common web optimization tasks.
Convert to WebP
Convert JPG and PNG to WebP for smaller image files and faster websites.
Compress WebP
Reduce WebP file size online with quality control and instant before/after comparison.
Resize Image
Resize images by width, height or percentage before publishing them on the web.
JPG to WebP
Convert JPG and JPEG images to WebP with quality control and an instant preview.
PNG to WebP
Convert PNG to WebP and reduce image size while preserving transparency when supported.
Strip metadata
Re-encode images and remove common metadata for smaller, more private files.
Docs that actually help.
Short technical guides around formats, quality, performance and real-world image optimization.
Your images stay yours.
GZ processes files locally in your browser. Images are not uploaded to our servers, and the MVP does not require accounts or tracking cookies.