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JPG to WebP Converter — Smaller Photos for the Web

Convert JPG (JPEG) to WebP in your browser for smaller files at the same visual quality. Adjustable quality, batch conversion, no uploads.

Updated

What is the JPG to WebP Converter — Smaller Photos for the Web?

JPG to WebP Converter

Convert JPG (JPEG) images to WebP to make photos smaller without an obvious drop in quality. WebP's modern compression typically beats JPG by 25–35% at the same perceived quality — ideal for faster websites and lighter galleries.

Because every conversion runs through the browser's own canvas engine, your images never leave your device — there is no upload, no queue, and no server that could retain a copy.

Why convert JPG to WebP

  • Smaller than JPG at comparable quality.
  • Modern format supported by all current browsers.
  • Quality slider to dial in exactly the size you need.

Tip: Re-encoding an already-compressed JPG won't recover lost detail, but WebP can still package it into a smaller file.

How it works

How JPG to WebP Conversion Works

Your JPG is decoded and re-encoded with the browser's WebP encoder at the quality you choose.

Steps

  1. Drop your JPG/JPEG files.
  2. Output is preset to WebP — pick a quality level.
  3. Click Convert and download.

Behind the scenes

decode(jpeg) -> draw to canvas -> encode("image/webp", quality)

Examples

Gallery photo to WebP

Convert a JPG photo to WebP at 80% quality for a lighter page.

photo.jpg (620 KB)
photo.webp (390 KB)

Batch optimise uploads

Turn a folder of JPGs into WebP before uploading to a CMS.

20 × .jpg
20 × .webp

Frequently asked questions

Will WebP look worse than my JPG?

At a similar quality setting, WebP usually looks as good or better while being smaller. Both are lossy, so re-encoding won't add detail, but visible quality is typically preserved.

How much smaller is WebP than JPG?

Commonly 25–35% smaller at the same perceived quality, though it depends on the image.

Can I convert many photos at once?

Yes — add up to 30 JPGs and convert them all to WebP in a single click.

Is it private?

Yes. The conversion runs locally in your browser; nothing is uploaded.

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