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The ipx npm package is an image processing server that allows you to manipulate images on-the-fly. It supports various image transformations such as resizing, cropping, and format conversion, making it useful for web applications that need dynamic image processing.
Resizing Images
This feature allows you to resize images to specified dimensions. In the code sample, the image is resized to a width of 300 pixels and a height of 200 pixels.
const ipx = require('ipx')();
const url = '/_ipx/w_300,h_200/image.jpg';
const result = await ipx(url);
Cropping Images
This feature allows you to crop images to specified dimensions. In the code sample, the image is cropped to a width of 300 pixels and a height of 200 pixels.
const ipx = require('ipx')();
const url = '/_ipx/c_crop,w_300,h_200/image.jpg';
const result = await ipx(url);
Format Conversion
This feature allows you to convert images to different formats. In the code sample, the image is converted to the WebP format.
const ipx = require('ipx')();
const url = '/_ipx/f_webp/image.jpg';
const result = await ipx(url);
Sharp is a high-performance image processing library that supports resizing, cropping, and format conversion. It is known for its speed and efficiency, making it a popular choice for server-side image processing. Compared to ipx, sharp is more of a low-level library that requires more manual setup and configuration.
Jimp is a JavaScript image processing library that supports various image manipulations such as resizing, cropping, and format conversion. It is easy to use and does not require any external dependencies. Compared to ipx, Jimp is more suitable for client-side applications and smaller projects.
GraphicsMagick (gm) is a Node.js wrapper for the GraphicsMagick and ImageMagick image processing libraries. It supports a wide range of image manipulations and is highly configurable. Compared to ipx, gm offers more advanced features but requires the installation of external software.
High performance, secure and easy to use image proxy based on sharp and libvips.
You can use ipx
command to start server using:
$ npx ipx
You can use IPX as a Connect/Express middleware or directly use ipx api.
import { createIPX, createIPXMiddleware } from 'ipx'
const ipx = createIPX(/* options */)
const app = express()
app.use('/image', createIPXMiddleware(ipx))
Change format to webp
and keep other things same as source:
http://cdn.example.com/static/buffalo.png?format=webp
Keep original format (png
) and set width to 200
:
http://cdn.example.com/static/buffalo.png?width=200
Resize to 200x300px
using embed
method and change format to webp
:
http://cdn.example.com/static/buffalo.png?embed&format=webp&size=200x300
Modifier | Arguments | Example | Description |
---|---|---|---|
s | width , height | s_200_300 | Resize image. |
w | width | w_200 | Change image with. |
h | height | h_200 | Change image height. |
max | - | max | Preserving aspect ratio, resize the image to be as large as possible while ensuring its dimensions are less than or equal to the width and height specified. |
min | - | min | Preserving aspect ratio, resize the image to be as small as possible while ensuring its dimensions are greater than or equal to the width and height specified. |
Config can be customized using IPX_*
environment variables.
IPX_LOCAL_DIR
.
(current working directory)IPX_REMOTE_ACCEPT
[]
MIT
FAQs
High performance, secure and easy-to-use image optimizer.
The npm package ipx receives a total of 192,924 weekly downloads. As such, ipx popularity was classified as popular.
We found that ipx demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
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