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Image to WebP Converter — Single or Bulk

Turn your images into modern WebP files — one upload or up to 20 in a single batch. Download individually or as a ZIP. No server upload, no account.

This tool converts JPG, PNG and other images to WebP in your browser, up to 20 files at a time. WebP typically reaches the same visual quality as JPEG at a noticeably smaller file size, and unlike JPEG it supports transparency. Every current browser can display it.

Output format: WebP(quality 0.8) · up to 20 files

Upload images

→ WebP

JPG, PNG, or WebP · Max 25 MB per file · Up to 20 files · Processing stays in your browser.

Drag & drop one or more images here

or browse to convert to WebP (bulk supported)

Images wider or taller than 4096 px are scaled down for a stable canvas export.

Preview

Original and converted previews will appear here after you upload one or more files.

About this tool

WebP is a widely supported image format that often produces smaller files than JPEG or PNG at similar visual quality — ideal for faster websites and sharing. This tool runs entirely in your browser: your file never leaves your device.

Upload a JPG, PNG, or WebP image, preview the original and the WebP output, compare file sizes, and download the result. All major browsers now support WebP natively, making it the best choice for web-optimised images.

How to use

1

Upload one or more images

Drag and drop JPG, PNG, or WebP files into the upload area — up to 20 at once — or browse to select them. Max 25 MB per file.

2

Conversion runs automatically

Each file is drawn onto a canvas and exported as WebP at quality 0.8. Bulk batches process one at a time so the browser stays responsive.

3

Watch the queue convert

Files convert sequentially. Each row shows before/after size and a download button when ready. With a single file you also get a side-by-side preview.

4

Download — single or ZIP

Click Download on a row for one WebP, or hit Download all (ZIP) to get every converted file in one archive.

At a glance

Output format
WebP
Input formats
JPG, PNG, AVIF and other browser-decodable images
Batch limit
Up to 20 files per run, 25 MB each
Size advantage
Typically smaller than JPEG at matching visual quality
Transparency
Supported, unlike JPEG
Browser support
Every current browser displays WebP
Best for
Web delivery, where page weight directly affects load time

Sources & references

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Frequently asked questions

Quick answers about this free online tool.

Last updated

Upload a JPG, PNG, or WebP file. The image is drawn to an HTML canvas in your browser and exported as WebP — nothing is uploaded to a server. Then preview the result and download.

Output uses lossy compression at a fixed quality setting (0.8) for a balance of size and visual quality. Results vary by image content.

No. Conversion runs entirely in your browser using the Canvas API. Files are not sent to us or stored.

JPEG, PNG, and WebP uploads are supported, up to 25 MB. Very large dimensions are scaled down so the canvas stays within safe browser limits.

Some older browsers cannot encode WebP from a canvas. Try Chrome, Edge, or Firefox.