VulCode

Image converter

Resize and convert to WebP, or AVIF if your browser saves it, without uploading the files.

Category
Graphics
Price
free

The tool starts in your browser.

Everything is calculated in your browser. Nothing you type is sent to our server.

How to use it in three steps

The tool as a schematic with this page's example. Each step's number stands where you take it: in the fields, at the result or outside the tool.

Image converter
What you enter
A 4000 × 3000 px JPG photo, saved as WebP, up to 1600 px wide, quality 80
  1. Choose photos or graphics.

  2. Set the size, format and quality.

What you get
photo.webp, 1600 x 1200 px, WebP, quality 80
  1. Download the lighter files.

Six photos: the size and file name after conversion

The tool only scales down, never up, and keeps the proportions. Quality 80 is 0.8 for the encoder.

Photo and settingsExpectedWhat the tool returnsResult
Photo and settingsphoto.jpg, 4000 x 3000, to 1600 px, WebPthe example from the tool's description
Expectedphoto.webp, 1600 x 1200
What the tool returnsphoto.webp, 1600 x 1200
As expected
Photo and settingsphoto.jpg, 1200 x 800, to 1600 px, WebPsmaller than the limit
Expectedphoto.webp, 1200 x 800
What the tool returnsphoto.webp, 1200 x 800
As expected
Photo and settingsphoto.jpg, 4000 x 3000, unchanged, AVIFno resizing
Expectedphoto.avif, 4000 x 3000
What the tool returnsphoto.avif, 4000 x 3000
As expected
Photo and settingsphoto.jpg, 4000 x 3000, the width field empty, JPEGan empty width field
Expectedphoto.jpg, 4000 x 3000
What the tool returnsphoto.jpg, 4000 x 3000
As expected
Photo and settingsphoto.jpg, 4000 x 3000, to 5 px, PNGa width below 16 px
Expectedphoto.png, 16 x 12
What the tool returnsphoto.png, 16 x 12
As expected
Photo and settingsholiday.final.jpg, 3000 x 4000, to 1600 px, WebPportrait and a dot in the name
Expectedholiday.final.webp, 1600 x 2133
What the tool returnsholiday.final.webp, 1600 x 2133
As expected

6 of 6 cases as expected

Questions