Compress JPG using JavaScript

Automate your JPEG compression workflow

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Compress JPG features

Smart JPG compression, reduce JPG file size. Compress JPG without loosing quality.

ConvertAPI JavaScript library install

ConvertAPI provides a JavaScript module that allows you to perform a Compress JPG conversion with just a few lines of code. First, install the convertapi-js@~1.1 package from npm:

NPM package >
npm i convertapi-js@~1.1

If you are interested in our old version of non-module JavaScript library you can find it here.

Authenticate your JavaScript library

Next, obtain your secret key by signing up for a free account. Once you sign up, you'll receive 250 free conversions instantly! Grab your authentication secret from the account dashboard, and authenticate the ConvertAPI JavaScript library like this:

import ConvertApi from 'convertapi-js'
let convertApi = ConvertApi.auth('secret_or_token')

Compress JPG using JavaScript in no time!

Once you have your authentication in place, simply copy-paste this jpg to compress conversion code snippet into your JavaScript project. Compress JPG documents using JavaScript with no effort at all!

// Code snippet is using the ConvertAPI JavaScript Client: https://github.com/ConvertAPI/convertapi-js

// Code snippet is using the ConvertAPI Node.js Client: https://github.com/ConvertAPI/convertapi-nodejs

// Code snippet is using the ConvertAPI PHP Client: https://github.com/ConvertAPI/convertapi-php

// Code snippet is using the ConvertAPI Java Client: https://github.com/ConvertAPI/convertapi-java

// Code snippet is using the ConvertAPI C# Client: https://github.com/ConvertAPI/convertapi-dotnet

# Code snippet is using the ConvertAPI Ruby Client: https://github.com/ConvertAPI/convertapi-ruby

# Code snippet is using the ConvertAPI Python Client: https://github.com/ConvertAPI/convertapi-python

// Code snippet is using the ConvertAPI Go Client: https://github.com/ConvertAPI/convertapi-go

REM Code snippet is using the command line utility program: https://github.com/ConvertAPI/convertapi-cli

<!-- For conversions with the multiple file result please refer to this example: https://repl.it/@ConvertAPI/HTML-Form-with-multiple-file-result -->

Try the conversion online - no coding required!

You can try out advanced conversion parameters and test the conversion result online using our interactive demo tool. This tool will produce the same conversion output as if you were using the library from your solution, and it will auto-generate the code snippet for you!

Try for FREE!

Conversion parameters

CompressionLevel Collection

Image compression level.

Values:   Lossless Good Extreme

CompressionPercentage Integer

Set compression level in percentage. Overrides CompressionLevel property unless it is set to losseless.

CompressionFileSize Integer

Compress a file to the file size set in kilobytes. Overrides CompressionLevel property unless it is set to losseless.

Try Compress JPG for free!