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Convert JPG to WebP

Free JPG to WebP converter that runs in your browser. No upload, no signup, no watermark. Files never leave your device.

Conversion Successful
100% local. Your file is processed in this tab and never uploaded.

How to Convert JPG to WEBP

  1. 1

    Drop your JPG file

    Drag it into the converter above, or click to browse. Nothing is uploaded.

  2. 2

    Adjust settings (optional)

    Crop, resize, rotate, or set quality from the sliders icon.

  3. 3

    Convert and download

    WEBP is preselected. The file converts in this tab and downloads when done.

Why Convert JPG to WEBP?

A JPG and its WebP twin look the same on screen, but the WebP lands 25-35% smaller, and on a page graded by Core Web Vitals that gap is the difference between a green LCP score and a yellow one. Converting trims bandwidth and CDN bills without changing how the photo looks.

Every major browser has decoded WebP for years, so there is little reason to keep shipping the heavier JPG.

JPG
WEBP
Compression
Lossy
Compression
Lossy or lossless
Transparency
No
Transparency
Yes
Max colors
16.7 million
Max colors
16.7 million
Animation
No
Animation
Yes
Browser support
Universal
Browser support
97%+ (modern browsers)
Typical use
Photography
Typical use
Web images

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Frequently Asked Questions

Will converting JPG to WebP improve quality?
No. The JPG source is already lossy, and re-encoding to WebP cannot rebuild detail that JPG compression discarded. What you gain is a smaller file at roughly the same visual quality, not a better image.
How much smaller will the WebP be?
For typical photographic content, WebP runs 25-35% smaller than JPG at equivalent quality. The exact savings depend on the image; busy, detailed photos compress less dramatically than flat ones.
Do all browsers support WebP?
Yes, in practice. Chrome, Firefox, Safari (since version 14), and Edge all decode WebP natively, covering over 97% of global web traffic.
Can I convert a batch of JPGs at once?
The browser tool handles one file at a time. For a full gallery, the desktop app converts the whole folder in one pass.
Is this conversion free, and is my file private?
Yes. The conversion runs in your browser tab, nothing is uploaded, and no account is needed. The only limit is size: 25 MB for this format. Bigger files route to the desktop app.

Optimizing a whole gallery for web?

TeraConvert Desktop batch-converts an entire folder of JPGs to WebP natively using macOS sips, with no 25 MB browser cap.

Get TeraConvert for MacFree to download. This format unlocks with Pro.