WebP Converter & Compressor
Convert JPEG or PNG images to WebP for significantly smaller file sizes. All conversion happens client-side — your images never leave your device.
Image Compressor
Compress and resize images in your browser. Adjust quality, change format, and reduce file size — nothing is uploaded to any server.
Drop an image here or click to browse
PNG, JPG, GIF, WebP, BMP — max 20 MB
About Image Compression
This tool compresses images entirely in your browser using the Canvas API. No data is sent to any server — your images stay completely private.
JPEG: Best for photographs. The quality slider controls lossy compression — lower values mean smaller files but more artifacts. 70-85% is typically a good balance.
WebP: Modern format with superior compression. Produces ~25-35% smaller files than JPEG at equivalent quality. Supported by all modern browsers.
PNG: Lossless format — no quality slider. Best for graphics, icons, and images with transparency. File size depends on image complexity, not a quality setting.
Resizing: Set max width and/or height to downscale images. The tool never upscales — if the original is smaller than the specified dimensions, it keeps the original size.
What is WebP?
WebP is a modern image format developed by Google that provides both lossy and lossless compression. Lossy WebP is typically 25-35% smaller than equivalent-quality JPEG, while lossless WebP is about 26% smaller than PNG. WebP also supports transparency (alpha channel) and animation, making it a versatile replacement for JPEG, PNG, and GIF on the web.
Common use cases
Web developers serve WebP images to improve page load speed and Core Web Vitals, often using <picture> elements with JPEG/PNG fallbacks. Content management systems auto-convert uploaded images to WebP. E-commerce platforms use WebP for product catalogs to reduce bandwidth costs. All modern browsers — Chrome, Firefox, Safari, and Edge — support WebP.
Frequently Asked Questions
Do all browsers support WebP?
Yes, as of 2023 all major browsers support WebP: Chrome (since 2014), Firefox (since 2019), Safari (since 2020/macOS Big Sur), and Edge. The only holdout was older Safari/iOS versions, which is no longer a significant concern.
How much smaller is WebP compared to JPEG?
Lossy WebP files are typically 25-35% smaller than JPEG at equivalent visual quality. The savings vary by image content — photos with fine detail see the largest reductions. Lossless WebP is about 26% smaller than PNG.