Does Media Mash upload my files to a server?

No. Every file you open in Media Mash is read into browser memory using the HTML5 File API. Processing happens via the Canvas API entirely within your browser tab. No bytes are transmitted to any external server.

How much can Media Mash compress an image?

Images can be reduced by 50–90% depending on the source file and quality setting. A 5 MB JPEG at the Balanced setting typically produces a result under 600 KB.

What image formats does Media Mash support?

Input formats: JPG, PNG, WebP, GIF, BMP, TIFF, AVIF, SVG. Output conversion formats: JPG, PNG, WebP, BMP, GIF, TIFF, AVIF.

Yes. Media Mash is completely free to use with no usage limits, no account required, and no hidden fees.

Does Media Mash work on mobile?

Yes. Media Mash is fully responsive and works on Chrome for Android and Safari for iOS. Select files from your camera roll and download results to your device.

Can I convert PNG to WebP without uploading?

Yes. Use the Convert tool at mediamash.base44.app/conversion. Drop your PNG, select WebP, and download. The conversion runs entirely in your browser.

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About on Media Mash. Fast, private, and lightweight media processing tools for instant compression, c.