Convert JPG to WEBP — Smaller, Same Quality

WEBP produces files 25-35% smaller than JPG at equivalent visual quality. If you're optimizing images for a website, converting your JPGs to WEBP is one of the simplest performance improvements available.

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Output: webp
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SSIM-optimized — finds the lowest file size at your chosen visual fidelity.

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JPG vs WEBP Comparison

Feature JPG WEBP
Full Name Joint Photographic Experts Group Web Picture Format
Lossy Compression
Lossless Compression
Transparency
Animation
Browser Support All browsers, all devices All modern browsers (Chrome, Firefox, Safari 14+, Edge)
Color Depth 16.7M (24-bit) 16.7M+ (24/32-bit)
Typical Use Photos, web images, email attachments Web images (smaller than JPG/PNG with same quality)
Year Introduced 1992 2010

Why Convert JPG to WEBP?

Google specifically recommends serving images in WEBP format for web performance. PageSpeed Insights flags JPG images that could be WEBP. The conversion is straightforward: same visual quality, smaller file, faster page loads.

How to Convert JPG to WEBP

1

Upload your JPG file.

2

KoalaPic converts to WEBP at your chosen quality. Default 85% matches the visual quality of JPG at the same setting.

3

Download your optimized WEBP. 25-35% smaller on average.

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Quality Note

Both JPG and WEBP are lossy formats. Converting introduces a small theoretical quality loss, but at quality 85%, the difference is imperceptible. The 25-35% file size savings more than justify the conversion for web use.

Frequently Asked Questions

Typically 25-35% smaller at equivalent visual quality. A 500 KB JPG might become 325-375 KB as WEBP.
Yes. All modern browsers support WEBP: Chrome (2014+), Firefox (2019+), Safari (2022+), Edge. Only IE11 and very old browsers lack support.
For a website, you can use WEBP exclusively for modern browsers and fall back to JPG for the tiny fraction of users on old browsers (using the HTML <picture> element).
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