Skip to content
Kordu Tools
Image Tools Runs in browser Updated 31 Mar 2026

JPG to WebP Converter

Convert JPG to WebP for 25–34% smaller files at the same quality. Ideal for web performance. Batch support — no upload required.

85%
Smaller fileHigher quality

Click to upload or drag and drop

JPG, JPEG up to 50MB

Drop multiple files to convert them all at once
Loading rating…

How to use JPG to WebP Converter

  1. Open the JPG to WebP converter

    Visit the tool on kordu.tools — no account or installation needed.

  2. Upload your JPG file

    Click the upload area or drag and drop one or more JPG or JPEG images. Batch conversion is supported.

  3. Set quality level

    Adjust the quality slider. 80–85% offers an excellent balance between file size and visual quality.

  4. Preview the result

    Review the before/after file size comparison to see the size saving.

  5. Download your WebP

    Click Download to save the WebP file. Batch files all download at once.

JPG to WebP Converter FAQ

How much smaller are WebP files than JPG?
WebP typically produces 25–34% smaller files than equivalent JPEGs at the same visual quality. For a typical 500 KB JPEG, you'd expect a WebP of roughly 330–375 KB with no perceptible quality difference.

Is my file uploaded to a server?
No. Conversion happens entirely in your browser. Your images never leave your device.

Does WebP work on all websites?
All modern browsers — Chrome, Firefox, Safari 14+, and Edge — support WebP. That covers over 96% of global users. For older browsers, use the HTML picture element with a JPEG fallback.

What quality setting should I use?
For photos on web pages, 80–85% is the sweet spot. For hero images and key product photos, use 85–92%. For thumbnails and background images, 65–75% produces tiny files.

Can I convert WebP back to JPG?
Yes. Use our WebP Converter tool to convert WebP images to JPG or PNG.

Can I batch convert multiple JPGs to WebP?
Yes. Drop multiple files and download all WebPs in a single click.

Is WebP lossless?
WebP supports both lossy and lossless modes. This converter uses lossy WebP (like JPEG) for maximum compression. For lossless output, convert to PNG instead.

Why use WebP instead of AVIF?
WebP has broader browser support (Safari 14+ vs AVIF's Safari 16.4+). AVIF offers better compression but requires fallbacks for more users. WebP is the safer choice for most websites today.

Will converting to WebP improve my Core Web Vitals?
Yes. Smaller image files directly improve LCP (Largest Contentful Paint). Google recommends WebP and AVIF as preferred web image formats.

Can I use this tool on mobile?
Yes. The tool works on any modern mobile browser — Chrome for Android, Safari on iPhone, and others.

Background

Convert JPG images to Google's WebP format directly in your browser — no upload, no signup, no software installation required. WebP typically produces 25–34% smaller files than JPEG at the same visual quality, making it the recommended format for web performance. All major browsers have supported WebP since 2020.

Use the quality slider to control the output: 80–85% delivers an excellent size-to-quality ratio for web use. Higher settings (90%+) preserve more detail for hero images and product photography. Lower settings (65–75%) produce the smallest possible files for thumbnails and background images.

Batch conversion is fully supported — drop multiple JPG files at once and download all WebPs in a single click. All processing runs client-side using the Canvas API; your files never leave your device. Ideal for web developers optimising images for faster page loads and better Core Web Vitals scores.

Related tools

PNG to WebP Converter

Convert PNG to WebP for 25–34% smaller files with full transparency. Faster pages, no quality loss. Batch support — no upload required.

WebP Converter

Convert WebP to PNG or JPG instantly. Choose lossless PNG or compressed JPG with adjustable quality. Batch support — no upload required.

JPG to PNG Converter

Convert JPG to lossless PNG instantly. No additional quality loss, full transparency canvas — batch support, no upload required.

JPG to AVIF Converter

Convert JPG to AVIF for next-gen web compression — up to 50% smaller files at the same visual quality. Batch support, browser-based, no upload.

Image Compressor

Compress PNG, JPG, WebP, AVIF, GIF, BMP, ICO and more — reduce file size without losing visual clarity.

PNG to AVIF Converter

Convert PNG to AVIF for next-gen web compression — up to 50% smaller than PNG. Batch support, browser-based, no upload.

Learn more

image

Convert Images to WebP Format (And Why You Should)

Learn why WebP is the best image format for the web. Convert PNG and JPG to WebP instantly. Compare file sizes, quality, and browser support across all major formats.

image

Image Compression Explained: Lossy vs Lossless

Learn how lossy and lossless image compression work. JPEG quality 80 cuts file size 75% with no visible loss. Real size comparisons and format guide.

image

Image Formats Explained: PNG vs JPG vs WebP vs AVIF vs SVG

Compare PNG, JPG, WebP, AVIF, SVG, and GIF with real file sizes. WebP cuts photo size 25-35% vs JPEG. Find the right format for every use case.