100% Client-side

Image to WebP Converter

Convert Image files to WebP format instantly in your browser. Nothing uploaded, no limits.

or drop them here

Convert as many files as you want at once

0 KB uploaded. Your file never leaves this browser tab.

Open your browser's Network tab while you use this tool, you will see zero data sent to any server.

IYONM

Cloud tools

Your files

Stay on your device

Uploaded to a server

File size limit

None

Capped on free plans

Works offline

Yes

Signup

Never

Pushed for limits

How to use

📁

1. Upload Image

Select one or more Image files from your device.

⚡

2. Auto-convert

Files are converted to WebP in your browser instantly.

💾

3. Download

Save your WebP files individually or all at once.

Are my Image files uploaded?

No. Conversion runs entirely in your browser. Files never leave your device.

Is there a limit on how many files I can convert?

No. Convert as many files as you want at once.

Will the WebP file lose quality?

PNG and WebP conversions are lossless, no quality is lost.

Is this free?

Yes. IyonM is completely free with no limits and no signup required.