Project Summary
If PDF is electronic paper, then pdftk is an electronic staple-remover, hole-punch, binder, secret-decoder-ring, and X-Ray-glasses. Pdftk is a command-line tool for doing everyday things with PDF documents. Keep one in the top drawer of your desktop and use it to:
* Merge PDF Documents
* Split PDF Pages into a New Document
* Decrypt Input as Necessary (Password Required)
* Encrypt Output as Desired
* Fill PDF Forms with FDF Data and/or Flatten Forms
* Apply a Background Watermark
* Report on PDF Metrics such as Metadata, Bookmarks, and Page Labels
* Attach Files to PDF Pages or the PDF Document
* Unpack PDF Attachments
* Burst a PDF Document into Single Pages
* Uncompress and Re-Compress Page Streams
and much more....
In a Nutshell, Pdftk...
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took an estimated 13 years of effort (COCOMO model)
starting with its first commit in December, 2017
ending with its most recent commit almost 2 years ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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you can subscribe to e-mail newsletters to receive update from the Open Hub blog
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use of OSS increased in 65% of companies in 2016
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learn about Open Hub updates and features on the Open Hub blog
30 Day SummaryJul 14 2025 — Aug 13 2025
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12 Month SummaryAug 13 2024 — Aug 13 2025
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