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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HEIC, WEBP, AVIF, TIFF, BMP, SVG, GIF, PNG, JPG, PDF, CR2, NEF, ARW, DNG — up to 50MB each, or 50 from a folder
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Modern format with excellent compression. Limited browser support.
Apple's format. Excellent quality at small sizes.
Lossless format. Large files, ideal for print/archival.
256 colors max. Best for simple graphics.
Uncompressed bitmap. Very large files.
Vector trace. Best for logos and simple graphics. Not a pixel-perfect conversion.
Same format? You might want to compress instead.
SSIM-optimized — finds the lowest file size at your chosen visual fidelity.
Need to crop first? Use the Crop tool. Want to adjust or filter? Try the Editor.
Resize tool → Live preview, percentage scaling, and dimension presets.
Tip: Use PNG or WebP for transparent output. Standalone tool →
Lossless format — files can be large
GIF is limited to 256 colors
Best for logos, icons, and line art. Photos produce stylized results.
BMP files are uncompressed and can be very large. Consider TIFF (LZW) or PNG for lossless with smaller file sizes.
Leave empty for all pages. Multi-page PDFs produce a ZIP.
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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
Upload your JPG file.
KoalaPic converts to WEBP at your chosen quality. Default 85% matches the visual quality of JPG at the same setting.
Download your optimized WEBP. 25-35% smaller on average.
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.