Coherent PDF Command Line Tools version 2.9 released
Coherent PDF Command Line Tools (Cpdf) version 2.9 brings new functions to detect and remove JavaScript, create PDF portfolios, reprocess JPEG2000 images, and process metadata streams. Extensions to existing functions include extracting attachment data in JSON format, processing lossless CMYK images for compression, and extracting soft masks, optionally combining them with their extracted images.
Member NewsMay 11, 2026
Coherent PDF Command Line Tools version 2.9 released
Coherent PDF Command Line Tools (Cpdf) version 2.9 brings new functions to detect and remove JavaScript, create PDF portfolios, reprocess JPEG2000 images, and process metadata streams. Extensions to existing functions include extracting attachment data in JSON format, processing lossless CMYK images for compression, and extracting soft masks, optionally combining them with their extracted images.
Member NewsMay 11, 2026
About Coherent Graphics Ltd
Coherent PDF Command Line Tools (Cpdf) is a comprehensive, production-tested suite of command-line utilities for manipulating PDF files. Built entirely on Coherent Graphics‘ own PDF technology, Cpdf gives developers, system administrators, and power users precise programmatic control over PDF documents without third-party dependencies.
New features in version 2.9
- Detect and remove JavaScript
- Show progress on large file operations
- Create PDF portfolios
- Strip Procsets, article threads, page pieces, web capture, output intents and alternate images
- Convert lossless images to JPEG2000
- Process and remove all metadata streams, not just the main one
- Extract single images
Extended features in version 2.9
- Use CCITTG4 compression when processing images
- Speed increases when squeezing large files
- Select only such pages as are annotated
- Include file data when listing attachments in JSON format
- List and add relationships and descriptions for attachments
- Extended image listing to show mask and compression types
- Extract (and optionally combine) soft masks
Getting Started
You can download an evaluation copy of Cpdf and try out these new features.
Founded in 2007, Coherent Graphics Ltd develops Cpdf, the most capable, most robust Command Line Tool for processing PDFs. Its aim is to make PDF truly pliable and so, in addition to the usual facilities for page manipulation and selection, Cpdf allows the extraction, processing and round-tripping of ancillary data…
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