Stirling PDF
Your PDFs. Your AI.
Ranked #8 in Enterprise intelligent document processing software, and on 4 more rankings.
Stirling PDF is a free, private PDF editor that you can run on any infrastructure. It offers over 60 powerful tools for editing and processing documents securely.
At a glance
| Best for | Teams requiring private, self-hosted document processing |
From Stirling PDF's own website.
Company facts
| Social profiles | LinkedIn, X |
Facilities and features
Its website also mentions:
- Published pricing
- Self-serve sign-up
- API
What stands out
The product is private, open-source, and audit-ready to protect sensitive files.
“Private, open-source, and audit-ready.”Stirling PDF, own website
The product allows users to call its features from their own code via APIs.
“Call it from your own code, connect the tools your team already uses, or just ask.”Stirling PDF, own website
How it ranks
Stirling PDF is ranked 8th of 10 in Enterprise intelligent document processing software (Lister Score 84.0), 8th of 10 in Enterprise OCR software (Lister Score 84.0), 8th of 10 in OCR software for developers (Lister Score 84.0), 9th of 10 in OCR software with a free plan (Lister Score 84.0) and 10th of 10 in PDF editors with a free plan (Lister Score 84.0).
#8 in Enterprise intelligent document processing software · Lister Score 84.0
Stirling PDF is a product. It says it is built for Teams requiring private, self-hosted document processing.
Allows users to call its features from their own code via APIs.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 12; buying information on its own site 12.
“Work on thousands of PDFs at a time. Set up AI pipelines that process every PDF that arrives.”Stirling PDF, own website
“Today it has grown to over 30 million downloads and runs inside 55,000 companies around the world.”Stirling PDF, own website
| Rank | Enterprise intelligent document processing software | Score |
|---|---|---|
| 1 | PDFtron | 98.0 |
| 2 | UiPath Document Understanding | 92.0 |
| 3 | M-Files | 90.0 |
| 4 | Microsoft Azure Form Recognizer | 90.0 |
| 5 | Rossum | 90.0 |
| 6 | Vic.ai | 88.0 |
| 7 | kdan document | 84.0 |
| 8 | Stirling PDF | 84.0 |
| 9 | Hyperscience | 82.0 |
| 10 | Indico Data | 74.0 |
#8 in Enterprise OCR software · Lister Score 84.0
Stirling PDF is a product. It says it is built for teams requiring private, self-hosted document processing.
Allows users to call its features from their own code via APIs.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 12; buying information on its own site 12.
“OCR Read scanned pages Classify Tag type and sensitivity Validate Check every signature Redact Hide sensitive details Compress”Stirling PDF, own website
“Used by 75% of the Fortune 500 Bring your whole team. Everything you need to scale from editing one PDF to processing millions.”Stirling PDF, own website
| Rank | Enterprise OCR software | Score |
|---|---|---|
| 1 | Foxit PDF Editor | 98.0 |
| 2 | Ephesoft | 96.0 |
| 3 | Box | 94.0 |
| 4 | ioMoVo | 94.0 |
| 5 | PDF-XChange | 86.0 |
| 6 | Hyland Intelligent Capture | 84.0 |
| 7 | kdan document | 84.0 |
| 8 | Stirling PDF | 84.0 |
| 9 | Abbyy | 82.0 |
| 10 | Parascript | 76.0 |
#8 in OCR software for developers · Lister Score 84.0
Stirling PDF is a product. It says it is built for teams requiring private, self-hosted document processing.
Built for teams requiring private, self-hosted document processing.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 12; buying information on its own site 12.
“OCR Read scanned pages Classify Tag type and sensitivity Validate Check every signature Redact Hide sensitive details Compress”Stirling PDF, own website
“Call it from your own code, connect the tools your team already uses, or just ask. Redact all of the account numbers.”Stirling PDF, own website
| Rank | OCR software for developers | Score |
|---|---|---|
| 1 | Foxit PDF Editor | 98.0 |
| 2 | Ademero Document Management Software | 94.0 |
| 3 | Google Document AI | 92.0 |
| 4 | US Global Mail | 90.0 |
| 5 | bitfarm-Archiv | 88.0 |
| 6 | PDF-XChange | 88.0 |
| 7 | Leadtools | 86.0 |
| 8 | Stirling PDF | 84.0 |
| 9 | Abbyy | 82.0 |
| 10 | Indigo PDF | 76.0 |
#9 in OCR software with a free plan · Lister Score 84.0
Stirling PDF is a product. It says it is built for teams requiring private, self-hosted document processing.
Built for teams requiring private, self-hosted document processing.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 12; buying information on its own site 12.
“OCR Read scanned pages Classify Tag type and sensitivity Validate Check every signature Redact Hide sensitive details Compress”Stirling PDF, own website
“The open-source PDF editor for individuals $ 0 $ 0 /month No card required What's included: 60+ PDF tools”Stirling PDF, own website
| Rank | OCR software with a free plan | Score |
|---|---|---|
| 1 | Foxit PDF Editor | 98.0 |
| 2 | PDF Archive | 96.0 |
| 3 | ILovePDF | 90.0 |
| 4 | EasePDF | 88.0 |
| 5 | OnlineOCR | 86.0 |
| 6 | PDF Candy | 86.0 |
| 7 | PDF-XChange | 86.0 |
| 8 | PDFFixNow | 86.0 |
| 9 | Stirling PDF | 84.0 |
| 10 | Ocr.space | 80.0 |
#10 in PDF editors with a free plan · Lister Score 84.0
Stirling PDF is a product. It says it is built for teams requiring private, self-hosted document processing.
Built for teams requiring private, self-hosted document processing.
How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 12; buying information on its own site 12.
“PDF Editor 60+ powerful tools for editing PDFs on any computer or server.”Stirling PDF, own website
“The open-source PDF editor for individuals $ 0 $ 0 /month No card required What's included: 60+ PDF tools”Stirling PDF, own website
| Rank | PDF editors with a free plan | Score |
|---|---|---|
| 1 | DocHub | 90.0 |
| 2 | ILovePDF | 90.0 |
| 3 | Smallpdf | 90.0 |
| 4 | EasePDF | 88.0 |
| 5 | pdfsam.org | 88.0 |
| 6 | PDF Candy | 86.0 |
| 7 | PDF-XChange | 86.0 |
| 8 | PDFFixNow | 86.0 |
| 9 | pdfforge | 84.0 |
| 10 | Stirling PDF | 84.0 |
Frequently asked questions
How does Stirling PDF rank on Lister?
Stirling PDF is ranked 8th of 10 in Enterprise intelligent document processing software (Lister Score 84.0), 8th of 10 in Enterprise OCR software (Lister Score 84.0), 8th of 10 in OCR software for developers (Lister Score 84.0), 9th of 10 in OCR software with a free plan (Lister Score 84.0) and 10th of 10 in PDF editors with a free plan (Lister Score 84.0).