PDF Command Line Tools and C/C++/Python/.NET/Java/JavaScript API

The most capable, most robust Command Line Tools for processing PDFs

Features (Full features list)

Merge and Split PDFs Combine multiple PDFs into one or split them by size, page count, bookmarks, or file size while preserving bookmarks.
Advanced Security Encrypt and decrypt PDFs using 256-bit AES encryption.
Watermarks and Stamps Add logos, watermarks, text, page numbers, and Bates numbers with custom fonts, colors, sizes, and transparency.
Page Manipulation Scale, rotate, flip, crop, shift page contents, impose, and modify page boxes (media, trim, art, bleed, crop).
File Size Optimization Losslessly squeeze PDFs, compress streams, and reprocess images to reduce file sizes.
Bookmark Management List, add, remove bookmarks, create tables of contents, and use complex destinations with JSON support.
Annotations Add, list, copy, remove, and round-trip annotations using JSON format.
Metadata Control Read, set, and modify document information, XMP metadata, page labels and display options.
Attachments Add and remove file attachments to document or page. Extract attachments.
Image Operations Insert images, export pages as PNG/JPEG, extrac images, rasterize pages, and compress embedded images.
Create New PDFs Generate blank PDFs, convert text files to PDF, create PDFs from PNG/JPEG images, and build documents by drawing.
PDF/UA Create tagged PDF and PDF/UA. Preserve PDF/UA compatibility when processing PDFs.