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Your images never leave your browser

Convert images to WebP, privately

Drop in a photo and get a smaller WebP back in seconds — right on your device, no sign-up needed. Pick a converter below for tips on your format.

60–75%
Smaller files
0
Uploads, ever
Batch size
  • Free forever
  • No sign-up
  • Works offline
  • No file limits

The converter

Convert to WebP, right here

Drop in one image or a whole batch. Everything is converted on your device — no upload, no wait.

Checking browser support…

How it works

Three simple steps, zero uploads

Convert a whole batch to WebP without sending anything to a server.

01

Drop your image

Pick a file or drag it straight in — JPG, PNG, GIF and more are all welcome.

02

Choose the quality

Slide between smaller and sharper. 80 is a great default for most photos.

03

Download your WebP

It saves straight to your device the moment it’s ready — no upload, no waiting.

Why WebP

Smaller files. Same image.

Accepts JPG, JPEG, PNG, GIF, BMP and more.
One simple, private place to convert every format.
Adjustable quality, live size comparison.
No uploads, no accounts, no tracking.

Learn

A modern, private WebP converter

What is WebP?

WebP is a modern image format that compresses photos and graphics far more efficiently than older formats like JPG and PNG. The same image typically becomes 25–75% smaller with no visible loss in quality, which makes websites faster and lighter. It supports transparency and animation, and it works in every modern browser.

Convert in your browser — nothing is uploaded

dotwebp runs entirely on your own device using the browser’s built-in image engine. Your pictures are never uploaded to a server, there are no accounts, no watermarks and no limits. You can even use it offline once the page has loaded.

Drop in a single image or a whole batch, choose a quality, and download optimised WebP files in seconds.

Pick the right tool for your format

For format-specific tips, use a dedicated converter: JPG to WebP and JPEG to WebP for photos, PNG to WebP when you need transparency, or the bulk converter to process a whole folder at once and download a ZIP.

Older formats compared with WebP
 Older formatsWebP
File sizeLargerTypically 25–75% smaller
TransparencyPNG onlyYes
AnimationGIF onlyYes
Browser supportUniversalEvery modern browser
Privacy hereConverted on your device

FAQ

Good to know

Which image formats can I convert?

Any format your browser can decode — including JPG, JPEG, PNG, GIF, and BMP. Output is always WebP.

Is there a file-size or count limit?

Inputs up to 100 MB and 32 megapixels are supported; very large files depend on your device memory since everything runs locally.

Does it work offline?

Yes — once the page has loaded, conversion needs no network connection.

What happens to animated GIFs?

The first frame is converted to a still WebP. Animated WebP output is out of scope for v1.

Is dotwebp free?

Yes — completely free, with no sign-up, ads or limits.

Do my images get uploaded?

No. Every conversion happens locally in your browser; your images never leave your device.