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Stirling-PDF

Stirling PDF is an open-source PDF platform that offers over 50 vehicles including editing, merging, partitioning, signing, redaction, conversion, OCR, and compression. The personal desktop application, browser interface, or custom API runs on your own server and processes documents without sending them to external services. Almost all vehicles are available with REST API; the project is in the open core (open-core) model, and corporate features such as SSO, audit, are offered with Server/Enterprise plans.

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Stirling-PDF

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Stirling-Tools · PDF & Document Processing

STARS95.4K
FORKS10.6K
COMMITS—
CONTRIBUTORS296
VERSIONv2.9.2
UPDATEDtoday
PDFSelf-HostedDockerOCRMIT

Common commercial products in this category: Adobe Acrobat, ABBYY FineReader, Foxit PDF Editor

What can it do?
  • Edit PDF files over the browser interface, desktop client, or your own server
  • Automating PDF processing processes with uncoded processing lines and REST API in the interface
  • Securely process documents in your own infrastructure without sharing them with external services
Heads up
  • • High number of open issues (503)
User reviews
  • ↓ NegativeGitHub Issue

    [Bug]: Installation freezes Windows 10

    “### Installation Method Local Installation ### The Problem I tried to install `Stirling-PDF-win-installer.exe` (v0.36.3 on Windows 10) for the first time. Installation freezes at 90%. The popup displays the message: > Initializing Stirling-PDF > Stirling-PDF > Finalising…”

Website GitHub

Verified against README · Oct 26, 2026 · source

My note

Alternative pages

Adobe Acrobat alternativesABBYY FineReader alternativesFoxit PDF Editor alternatives

More in: PDF & Document Processing