Convert JPG to WebP

Convert JPG images to the modern WebP format for 25-34% smaller file sizes at the same visual quality.

100% Private — No Upload

Quality85%

Drag & drop your images here

or click to browse, or paste (Ctrl+V)

Supports HEIC, HEIF, WebP, PNG, JPG, AVIF, BMP

Why JPG to WebP helps websites load faster

People usually convert JPG to WebP because the image can stay visually similar while weighing less. That means less data to transfer on product grids, blog posts, landing pages, and any page that depends on many photos.

When WebP is better than JPG

WebP is usually the better target when the image is meant for browser delivery and you care about smaller payloads. It is especially useful for modern sites where page speed and bandwidth matter more than desktop app compatibility.

When not to convert JPG to WebP

WebP is not always the safest choice for email attachments, office workflows, or older tooling. If the image needs to be opened everywhere with minimal friction, staying with JPG can still be the better call.

Known limitations

Before converting, note these constraints:

Output behavior follows format capabilities (for example transparency support and lossy/lossless rules).
Final file size depends on source image content and selected quality settings.
If compatibility is critical, choose broadly supported targets first (typically JPG).

How to Convert JPG to WebP

Drag and drop your JPG files into the box above, or click to browse.

Files are converted to WebP instantly in your browser.

Adjust the quality slider to balance size vs. quality.

Frequently Asked Questions

How much smaller is WebP compared to JPG?

WebP is 25-34% smaller than JPG at the same visual quality in benchmark comparisons. A 1 MB JPG converts to 650-750 KB as WebP in that range.

Why is the output file sometimes larger than the original?

The output file becomes larger for three clear reasons: (1) Converting from a lossy format (JPG, WebP) to a lossless format (PNG) preserves every pixel, so file size increases in exchange for zero quality loss. (2) AVIF uses the AV1 codec, which has encoding overhead for small or simple images. AVIF delivers its strongest compression gains on high-resolution photos, with 20–50% better compression than JPEG in benchmark comparisons. (3) If the source is already heavily compressed, re-encoding does not reduce size further. PicShift uses industry-leading WASM encoders (MozJPEG, OxiPNG, libwebp) to produce the smallest possible output at your chosen quality. In compress mode, PicShift automatically keeps the original file when compression increases size. Learn more: https://picshift.app/docs/size-increase-explainer/