Modify Tools
Resize PDF JavaScript Overview
The Resize PDF pages JS module by ConvertAPI allows you to adjust PDF page size, orientation for selected pages. Choose from standard formats like A4 or Letter, or define custom width and height with units in points, millimeters, centimeters, or inches. Ideal for preparing files for print, merging different page sizes, or optimizing PDFs for web and mobile viewing.
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Customizable Parameters
Fine-tune your automation with these powerful conversion options
File
File Supported formats: .pdfFile to be converted. Value can be URL or file content.
Password
StringSets the password to open protected PDF.
PageRange
String Default: 1-lastSet page range to convert. Parameter understands digits and words: even, odd, last. Example: 1,2,5-last
PageOrientation
Collection Default: defaultSet page orientation.
Values: default portrait landscapePageSize
Collection Default: a4The property scales each page to fit a given page size.
Values: custom a2 a3 a4 a5 a6 letter legalPageHeight
Double Default: 10Custom page height in the selected measurement unit. Enabled when PageSize is set to Custom.
PageWidth
Double Default: 10Custom page width in the selected measurement unit. Enabled when PageSize is set to Custom.
MeasurementUnit
Collection Default: inSpecifies measurement unit to use for the page height and page width properties.
Values: pt in mm cmStoreFile
Bool Default: FalseWhen the StoreFile parameter is set to True, your converted file is written to ConvertAPI’s encrypted, temporary storage and made available via a time-limited secure download URL, valid for up to 3 hours. After this period, the file is permanently deleted.
When StoreFile is set to False, conversion happens entirely in-memory. The raw file bytes are streamed back in the API response without touching disk or external storage, ensuring maximum security and zero persistence so that only you can access the content.
Step-by-Step Guide
Easy Resize PDF integration programmatically using our simple JavaScript SDK
1. ConvertAPI JavaScript library install
ConvertAPI provides a JavaScript module that allows you to perform a Resize PDF 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.
2. Authenticate your JavaScript library
Next, obtain your API Token by signing up for a free account. Once you sign up, you'll receive 250 free conversions instantly! Grab your API Token from the account dashboard, and authenticate the ConvertAPI JavaScript library like this:
import ConvertApi from 'convertapi-js'
let convertApi = ConvertApi.auth('api_token')
3. Resize PDF using JavaScript in no time!
Once you have your authentication in place, simply copy-paste this pdf to resize conversion code snippet into your JavaScript project. Resize PDF documents using JavaScript with no effort at all!
Integrate within minutes
Easy Resize PDF automation using our simple JavaScript SDK
Compatible With all JavaScript Frameworks & Tools
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