Compress WebP Images Online — Free & Private

WebP uses more advanced compression techniques than the older JPG and PNG formats, including better prediction and entropy coding. At the same visual quality, this typically produces files 25 to 35 percent smaller. That efficiency is why Google and most web performance tools recommend WebP for serving images online — it loads faster while looking just as good.

Yes. WebP supports a full alpha channel just like PNG, and our compressor preserves it completely. This is a major advantage: you get PNG-style transparent backgrounds at a much smaller file size. Transparent and semi-transparent areas remain intact in the compressed output, which makes WebP ideal for logos and overlays on websites.

Lossy WebP discards some fine detail for the smallest possible file, which is perfect for photographs — similar to JPG but smaller. Lossless WebP keeps every pixel exactly, ideal for graphics and logos — like PNG but smaller. Use lossy mode for photos and lossless mode whenever sharp edges and perfect quality matter most.

It's not recommended. While every modern browser displays WebP, most email clients still do not support it, so recipients may see a broken image. For email attachments, convert your file to JPG first using our WebP to JPG tool. WebP is best reserved for web pages, where it is universally supported and loads fastest.

No. All compression happens entirely inside your own browser using the Canvas API. Your WebP files are never uploaded, transmitted, or stored anywhere. There are no accounts, no tracking, and no server involved. Once the page has loaded you can even disconnect from the internet and the tool will keep working.

Yes. All current versions of Chrome, Edge, Firefox, and Safari display WebP images natively, so it is completely safe to use on any modern website. The only places where support is still patchy are most email clients and some older desktop applications, where converting to JPG or PNG first is the safer option.

No. This tool reduces file size purely by re-encoding the image — the width and height in pixels stay exactly the same. If you specifically need a very small file such as 20 KB, the dimensions may also need to shrink, which our dedicated target-size tools handle for you automatically alongside quality reduction.

Yes, WebP is excellent for online stores. Product photos stay crisp while files become much smaller, which means faster shopping pages and better conversion rates. Many platforms like Shopify and WooCommerce support WebP directly. For listings with size limits, try compressing to a fixed target such as 200 KB for the best balance.

Yes. You can select multiple WebP files and compress them together as a batch. Each image is processed locally in your browser one after another, and you can download them individually or as a set. Because everything runs on your device, the practical limit is your device's available memory rather than any server quota.

Indirectly, yes. Smaller images load faster, which improves your Core Web Vitals scores — a factor Google uses in ranking. Compressed WebP files are among the most effective ways to speed up image-heavy pages. Faster pages also reduce bounce rates and improve the user experience, both of which support better search performance over time.

Yes. The compressor is fully responsive and works on Android and iPhone browsers just like on desktop. You can pick a WebP straight from your gallery, compress it, and save the lighter version — handy for managing website images or uploading to a CMS while you're away from your computer.