formatsprout.
THE EVERYDAY IMAGE CONVERTER

PNG to WebP. Image converter

Create lightweight WebP assets from PNG graphics while preserving transparency where present.

Free to use No signup No uploads
01 — Image workspace All processing stays local

Drop your images here

Or browse your files. A whole batch is welcome.

PNG · Up to 20 filesYou can also paste an image from your clipboard.
THE FINISHING TOUCHES

Make it your own.

Resize (optional)

Proportions locked. Height adjusts automatically.

Your original files stay unchanged.

No uploads. No watermarks.50 MB per file · 40 megapixels max

Your files stay on your device. Always.JPG · PNG · WebP · HEIC · AVIF
BEFORE YOU CONVERT

A few things to know.

Lossy WebP can be much smaller, but fine text and flat-color edges should be checked at lower quality settings.

Useful for

  • Optimize transparent website graphics
  • Reduce large UI screenshots
  • Prepare lighter thumbnails and illustrations

Transparent backgrounds

Transparent PNG pixels remain transparent in the WebP output.

Getting the quality right

Use 85–95% for UI screenshots; illustrations and photographs can often use a lower setting.

LESS FUSS. MORE DONE.

From “wrong format” to ready.

01 /

Bring your images.

Drop up to 20 files, browse your device, or paste from your clipboard. They stay right here.

02 /

Make them fit.

WebP is already selected. Adjust the quality or dimensions if you need to.

03 /

Take them with you.

Hit convert and save your new images. Download one at a time or grab the whole batch as a ZIP.

A LITTLE TOOL. A SMALLER FOOTPRINT.

Your photos are
your business.

Family photos, work screenshots, half-finished ideas. You shouldn’t have to upload them just to change a file format.

FormatSprout does the conversion inside your browser. Your images and filenames never reach our servers.

How local conversion works
FIND YOUR FORMAT

Another format in mind?

Explore all formats
JPGWebP

Lighter images for your next website, post, or project.

PNGJPG

A familiar format for attachments, apps, and upload forms.

WebPPNG

Keep transparent backgrounds. Get an editing-friendly file.

HEICWebP

Give your iPhone photos a format everyone can open.

PNGAVIF

Lighter images for your next website, post, or project.

AVIFWebP

Lighter images for your next website, post, or project.

THE SMALL PRINT, MADE READABLE

Good questions.

A few things you might be wondering.

Read our privacy policy
Does WebP keep PNG transparency?

Yes. FormatSprout preserves transparent pixels when exporting PNG to WebP.

Is PNG or WebP better for websites?

WebP is commonly smaller, while PNG remains useful when lossless pixel accuracy matters most.

Are my images uploaded?

No. FormatSprout converts images locally in your browser. Your files never reach our servers.

Is FormatSprout free?

Yes. There is no account, watermark, daily quota, or payment required.

Right format. On with your day.

Convert an image