cpdf (Coherent PDF Command Line Tools) is a set of tools that let you modify PDF files.
A JavaScript implementation for node and the browser is also available.
This is free and open source software.
Key Features
- Quality Split and Merge, keeping bookmarks. Extract pages. Split on Bookmarks.
- Encrypt and Decrypt (including AES 128 and AES 256 encryption).
- Scale, rotate, crop and flip pages. Scale pages to fit.
- Copy, Remove and Add bookmarks.
- Stamp logos, watermarks, page numbers and multiline text. Transparency.
- Embed TrueType fonts when adding text.
- Supports Unicode UTF8 text input and output.
- Make PDF-based presentations.
- Put multiple pages on a single page.
- List, copy, set, or remove annotations.
- Read and set document information and metadata.
- Add and remove file attachments to document or page.
- Thicken hairlines, blacken text, make draft documents.
- Reconstruct malformed files.
- Detect missing fonts, low resolution images.
- Export and import PDF files in JSON format.
- Build table of contents.
- Convert text to PDF.
- Draw on PDF files with graphics and text.
- Cross-platform support – runs under Linux, macOS, and Windows.
Website: github.com/coherentgraphics/cpdf-binaries
Support: GitHub Code Repository
Developer: Coherent Graphics Ltd
License: GNU Affero General Public License v3.0
cpdf is written in OCaml. Learn OCaml with our recommended free books and free tutorials.
Related Software
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| Tabula | Extract data tables inside PDF files |
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| jpeg2pdf | Command-line tool which lets you convert images to PDF |
Read our verdict in the software roundup.
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