PDF ToolsVerified Authentic ReleaseApache-2.0

QPDF

Content-preserving PDF transformation system for linearization, compression, and repair.

5,564 Stars417 ForksC++Release: v12.4.2

Download Assets Official Website Documentation

Tool Overview

QPDF is a command-line program and C++ library that does structural, content-preserving transformations on PDF files. It is the premier utility for linearizing PDFs for fast web viewing, encrypting or decrypting documents, inspecting internal object graphs, optimizing streams, and repairing malformed PDF file structures.

System Requirements: Windows, macOS, or Linux CLI

Key Capabilities & Features

Fast web view (linearization) optimization for smooth streaming in web browsers

Lossless stream compression, object stream generation, and de-compression

Cryptographic inspection, password removal, and permission modification

Structural validation and automatic repair of damaged cross-reference tables

Split, merge, page rotation, and object transformation via CLI

Package Manager & CLI Installation

Install and update QPDF using your preferred operating system package manager or container runtime:

$ winget install qpdf.qpdf

Verified Official Release Downloads

v12.4.2

All binaries are sourced directly from the official developer release assets without re-packaging or modifications.

Linux ARM64Verified

qpdf-12.4.2-aarch64.AppImage

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qpdf-12.4.2-aarch64.AppImage.zsync

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qpdf-12.4.2-bin-linux-aarch64.zip

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qpdf-12.4.2-bin-linux-x86_64.zip

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qpdf-12.4.2-bin-macos-arm64.zip

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qpdf-12.4.2-bin-macos-x86_64.zip

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qpdf-12.4.2-doc.zip

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qpdf-12.4.2-mingw32.exe

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qpdf-12.4.2-mingw32.zip

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qpdf-12.4.2-mingw64.exe

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qpdf-12.4.2-mingw64.zip

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qpdf-12.4.2-msvc-arm64.exe

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qpdf-12.4.2-msvc-arm64.zip

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qpdf-12.4.2-msvc32.exe

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qpdf-12.4.2-msvc32.zip

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qpdf-12.4.2-msvc64.exe

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qpdf-12.4.2-msvc64.zip

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qpdf-12.4.2-x86_64.AppImage

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qpdf-v12.4.2-source.zip

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Client-Side SHA-256 Binary Integrity Verifier

100% Client-Side. Verified locally in your browser using the Web Crypto API. No files are uploaded.

Drag & drop downloaded binary here, or browse file

Computes SHA-256 hash in real-time to guarantee file authenticity against developer releases.

Security Verification Status: Verified Official Binary & Source

Downloads link directly to the official GitHub releases hosted by qpdf/qpdf. Files are checked for authentic digital developer signatures and verified against open-source repository tags.

Latest Release Changelog (v12.4.2)

This is qpdf version 12.4.2. In addition to a few small bug fixes, this release features two significant improvements: inclusion of several new binary platform releases and substantial improvements to linearization. We now include official release binaries for MacOS (intel and arm64), Windows arm64, and Linux aarch64 (arm64) both as an AppImage and as stand-alone binaries. For linearization, for certain types of files, qpdf is vastly more memory efficient (we've seen 30× improvements in some cases) and slightly faster. Also, there are a few small fixes to linearization object ordering, so linearized output may differ for some rare files relative to previous releases. For a full list of changes from previous releases, please see the [release notes](https://qpdf.readthedocs.io/en/stable/release-notes.html). See also [README-what-to-download](./README-what-to-download.md) for details about the available source and binary distributions. This release was signed by ejb@ql.org.

Specifications & Compatibility

Supported Ebook Formats

PDF

Supported Operating Systems

WindowsmacOSLinux

Primary LanguageC++

Software LicenseApache-2.0

Official Repositoryqpdf/qpdf

Last Checked & Verified2026-11-08 04:49:04 UTC

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