API Tool List

This page summarizes every high-level API capability ComPDF provides, with each feature's purpose and how to invoke it.

PDF API

Page Edit

Function	Description
Merge	Merge multiple PDF files into one.
Split	Split a PDF by custom pages or ranges.
Delete	Delete specific pages from a PDF.
Extract	Extract specific pages to create a new PDF.
Insert Pages	Insert pages from another PDF or blank pages into a target PDF at a specified position.
Rotate	Rotate PDF pages in 90° increments.

PDF Standard

Function	Description
PDF to PDF/A	Convert a PDF to the long-term-archival PDF/A specification.

PDF Generation

Function	Description
PDF Generation	Generate a PDF from JSON (or other data sources) and a template.

PDF Security

Function	Description
PDF Encryption	Set open passwords, owner passwords, and operation permissions for PDFs through the Server API.
PDF Decryption	Remove password protection from PDFs through the Server API and get the result file from the response download URL.
Add Watermark	Add text or image watermarks to a PDF.
Remove Watermark	Remove existing watermarks from a PDF.

PDF Advanced

Function	Description
Compression	Losslessly compress and reduce PDF file size.
Document Comparison	Compare two documents and highlight differences.