---
name: "Image.webJPEG"
section: "3kaya"
platform: "linux"
package: "kaya"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/Image.webJPEG"
---

# Image.webJPEG(3kaya)

Get a JPEG for webmain

## NAME

Image::webJPEG - Get a JPEG for webmain

## SYNOPSIS

**WebImage webJPEG(** *Image img, \[Pair\<String, String\> \] extraheaders, Int qual=-1* **)**

## ARGUMENTS

**img** The image

**extraheaders** Any additional HTTP headers to send with the image

**qual** The image quality (0..95). Alternatively, any negative number will use the default output quality.

## DESCRIPTION

Returns a JPEG image suitable for returning from a webapp's **webmain**  function.

## AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

## LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.

## RELATED

**Image.webPNG (3kaya)**