Modify Tools
Resize PDF API Overview
The Resize PDF pages API 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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Process and convert files in seconds with our high-performance cloud infrastructure.
Accuracy Guaranteed
Our advanced algorithms ensure pixel-perfect and content-accurate file conversions.
Enterprise-Grade Security
ISO 27001, HIPAA, and GDPR compliant with encrypted file processing.
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Strategically located servers ensure low latency and high availability worldwide.
Developer Friendly
Comprehensive SDKs and clear documentation for quick and simple integration.
Time-Saving Automation
Automate repetitive document workflows and focus on what matters most.
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.
Integrate within minutes
Easy Resize PDF automation using our simple REST-API
Businesses trust us
Highest rated File Conversion API on major B2B software listing platforms: Capterra, G2, and Trustpilot.
"ConvertAPI has been a game-changer for our document automation workflows. Their conversion accuracy and API reliability are unmatched in the industry for over 7 years."
"ConvertAPI is a reliable, cost-effective solution with a proven track record of stability. It has grown significantly in maturity, adopting enterprise-grade practices over the years."
"We've integrated ConvertAPI across our entire document processing platform. The performance is exceptional and the support team is always responsive. Highly recommended!"
Enterprise-Grade Security
We ensure that all document processing is handled securely in the cloud, adhering to industry-leading standards like ISO 27001, GDPR, and HIPAA. To enhance security even further, we can ensure that no files or data are stored on our servers and never leave your country.
Learn more about security