PDFtk

{{Short description|Software for manipulating PDF documents}}

{{Use American English|date=April 2025}}

{{Use mdy dates|date=April 2025}}

{{Infobox software

| name = PDFtk

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| developer = Sid Steward

| released = {{start date|2004|07|14}}

| discontinued =

| latest release version = 2.02

| latest release date = {{start date and age|2013|07|24}}[http://www.pdflabs.com/docs/pdftk-version-history/ PDFtk Version History], 2.02 – July 24, 2013.

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| latest preview date =

| programming language = C++

| operating system = Cross-platform

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| genre = PDF utility

| license = Proprietary{{cite web |url=https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/ |title=PDFtk – The PDF toolkit |website=PdfLabs.com }} / GPL

| website = {{Official URL}}

}}

PDFtk (short for PDF Toolkit) is a toolkit for manipulating Portable Document Format (PDF) documents.{{Cite web |last=Sharma |first=Shashank |date=February 4, 2021 |title=How To Manipulate PDF Files in Linux With PDFtk |url=https://www.tomshardware.com/how-to/manipulate-pdf-files-with-pdftk |access-date=April 20, 2021 |website=Tom's Hardware }}{{Cite web |last=Henry-Stocker |first=Sandra |date=March 1, 2021 |title=Creating and merging PDFs on Linux |url=https://www.networkworld.com/article/3609508/creating-and-merging-pdfs-on-linux.html |access-date=April 20, 2021 |website=Network World }} It runs on Linux, Windows and macOS.{{Cite book |last=Steward |first=Sid |date=2004 |title=PDF Hacks |publisher=O'Reilly Media |isbn=978-1-4493-6220-1 |edition=1st |location=Sebastopol, California |page=[https://www.google.com/books/edition/PDF_Hacks/ozWeSBkPQW4C?hl=en&gbpv=1&pg=PA201&printsec=frontcover 201] |oclc=58557987 }} It comes in three versions: PDFtk Server (open-source command-line tool), PDFtk Free (freeware) and PDFtk Pro (proprietary paid). It is able to concatenate, shuffle, split and rotate PDF files. It can also show and update metadata. Both CLI and GUI versions of PDFtk are available.