WebP converter
Convert WebP images with choices for lossy, lossless, transparency, animation, metadata, and browser or legacy compatibility.
.webp
Format
About WebP
WebP is a web image format from Google designed to reduce file size while supporting both lossy and lossless compression, alpha transparency, and animation. It often replaces JPEG for photos, PNG for transparent UI assets, and GIF for lightweight animations. Modern browsers support WebP broadly, which makes it attractive for websites, email images, product catalogs, and generated thumbnails. The format is not automatically better for every image: quality settings, dimensions, content type, and target compatibility determine whether WebP is smaller, sharper, or more convenient than JPEG, PNG, AVIF, or GIF.
The modes are distinct. Lossy WebP is comparable to JPEG and works well for photos and gradients. Lossless WebP can preserve exact pixels and transparency, making it a PNG alternative. Animated WebP stores multiple frames and usually beats GIF on size and color quality, but some older apps, CMS plugins, and messaging clients mishandle it. WebP can carry ICC profiles, EXIF, and XMP metadata, though many optimizers strip those chunks. It supports alpha in both lossy and lossless modes, so transparent images can stay transparent without PNG file sizes.
WebP is read and written by browsers, image CDNs, CMS platforms, design tools, Android apps, Shopify-like stores, Figma exports, cwebp/dwebp, ImageMagick, Sharp, Squoosh, and many server pipelines. Older Microsoft Office versions, print shops, and some native desktop applications may still prefer JPEG or PNG. A web delivery workflow might generate WebP derivatives while keeping original uploads in JPEG, PNG, or HEIC. A documentation workflow might reject WebP because PDF or Word export tools do not embed it consistently.
Conversion gotchas are mostly about mode and fallback. WebP to JPG loses transparency and animation; choose a background color and expect only one frame unless converting to video or GIF. WebP to PNG preserves still transparency but can grow dramatically. Animated WebP to GIF loses colors and may increase size; animated WebP to MP4 or GIF depends on destination support. JPEG to WebP can reduce size, but converting an already compressed JPEG at low quality can compound artifacts. For production, generate WebP from the best original, keep metadata only when needed, test legacy fallbacks, and compare visual quality rather than trusting a single quality number across formats.
A sensible WebP workflow keeps source and delivery roles separate. Store the original asset in the best available format, then generate WebP sizes for browsers and fallback JPEG or PNG for clients that need them. For logos and UI art, compare lossless WebP against optimized PNG instead of using lossy mode blindly. For product photos, choose dimensions and quality per breakpoint, not one giant file. For animations, verify frame count, duration, loop behavior, and alpha because GIF, WebP, and video containers all express motion differently. Measure final page weight and visual quality together; a smaller file is not useful if it breaks the receiving tool or removes metadata the next system relies on. Keep fallback generation automated so new uploads stay consistent across every template and CDN cache, then test old CMS admin screens too.
Common WebP problems
A legacy app cannot open WebP.
Convert still images to JPG or PNG and animations to GIF or MP4 depending on support.
Transparency disappears in JPG output.
Use PNG or WebP lossless, or flatten against an explicit background before JPG export.
Animated WebP becomes a still image.
Choose an animated target and verify that all frames are included.
Converted WebP looks worse than the original JPEG.
Start from the original master or use a higher quality setting; repeated lossy conversion compounds artifacts.