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Image to WebP Converter

Text and images

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Compress photos to WebP right in the browser.

Drag images here or click to choose · several files at once · JPG, PNG, WEBP
Format
Smallest size, keeps transparency
Quality82 smaller filebetter quality
Width
Height is calculated automatically

Processing happens in your browser — files are never uploaded to our server or sent anywhere. That makes it safe even for non-public images.

How webp beats jpg and png

The same image, the same visible quality — but a noticeably smaller file.

JPG / PNG

The older formats

They work everywhere but weigh more than they need to.

  • JPG has no transparency
  • PNG photos are enormous
  • No animation in one file
vs
WebP

The modern format

25–35% lighter than an equivalent jpg, and it does everything both older formats could.

  • Transparency like PNG
  • Better compression than JPG
  • Supported in every browser

Every modern browser has supported it since 2020, so a jpg fallback is now only needed for very old devices.

Preparing images for the web

Resize before anything else A 4000-pixel image in an 800-pixel slot is three times the file for no benefit. Compression will not fix that.
Quality 80 is enough The difference between 80 and 100 is invisible, and the file halves. Background images can go down to 70.
Different sizes per screen A phone does not need the same image as a monitor. The srcset attribute serves each its own version.
Lazy loading Images below the fold load when scrolling reaches them. One loading="lazy" attribute on the tag.

When webp is the wrong choice

Print Printers work with tiff or pdf. For a print layout webp is simply not suitable.
A logo with crisp lines For icons and logos svg is better: it scales without loss and weighs less than any raster.
Photos for further editing Every re-save with compression degrades quality. Keep the original separately at full quality.
Old email clients In email, webp support is patchy. For campaigns jpg remains the safer choice.

FAQ

How much lighter is WebP than JPG?
Usually 25–35% at the same visual quality, and up to 50% for images with large flat areas. For a website this is the cheapest speed win: a page with 2 MB of images drops to about 1.3 MB after conversion, and on mobile the difference is immediately noticeable. Our speed audit checks separately whether a site uses WebP.
Which quality setting should I pick?
For website photos 75–85 is the sweet spot: the eye sees no difference from the original while the size drops several times over. Below 60 visible artefacts appear on gradients and object edges. For screenshots, logos and text graphics use PNG or keep quality above 90, because lossy compression shows most on sharp lines.
Do all browsers support WebP?
Yes. Chrome, Firefox, Edge and Opera have supported it for years, Safari since version 14 and every iOS from 14 onwards. So a separate JPG fallback is only needed for very old devices today. If you still want a safety net, use the picture tag with two sources — the browser picks the format it can handle.
Is transparency preserved during conversion?
In WebP and PNG, yes — the transparent background carries over unchanged and we mark this separately in the file list. JPEG does not support transparency at all: there it is replaced with a white background, and we warn you about that too. If you have a logo or icon with a transparent background, choose WebP — it keeps the transparency and still weighs less than PNG.
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