Komodo PDF
Komodo PDF: A free, open-source reader for local document Q&A with page-linked citations. Ranked #22 of 23 in PDF Readers by our editors (5.9/10); pricing: Free plan; best for users wanting local AI document Q&A.
At a glance
- Editor score5.9 / 10
- PricingFree plan
- Best forUsers wanting local AI document Q&A
- Free planYes
- Paid fromFree
- Facts checked24 Sep 2026
Where it wins
- AI answers cite the relevant PDF pages with clickable links.
- Local indexing, retrieval, and ONNX embeddings support private workflows.
- Free, open-source desktop app for Windows, macOS, and Linux.
Where it doesn't
- Windows has a download, while macOS and Linux require source builds.
- It does not provide annotation tools, form filling, or OCR.
- Text-to-speech and offline reading are not provided.
Our verdict on Komodo PDF
Komodo PDF is a free, open-source desktop PDF reader aimed at people who want local document question answering alongside standard reading tools. It supports Windows 10/11 x64, with macOS and Linux builds available from source. Core reading features include continuous scrolling, zoom, fit-width and fit-page viewing, document-outline navigation, and text selection through a PDF text layer. Its defining feature is an optional AI panel that answers questions about the open document and links answers to relevant pages.
The AI workflow is designed around local retrieval. Komodo PDF can index document text in a local vector store and use local ONNX embeddings, while page-linked, clickable citations make it easier to trace an answer back to the document. Files remain on the user's machine unless a remote AI provider is configured. For teams or individuals who prefer hosted services, the reader supports OpenAI-compatible chat providers and embedding endpoints. That combination gives privacy-conscious users a local path while preserving compatibility with remote infrastructure when needed.
Komodo PDF is a focused choice rather than a full document-management suite. The published feature set centers on viewing, text-layer selection, retrieval, and cited AI answers; annotation tools, OCR, form filling, and text-to-speech are not provided. Windows users get the clearest installation path through the available x64 download, while macOS and Linux users need to build from source. Choose Komodo PDF for cross-platform reading with local AI Q&A and document citations. Choose an alternative if annotations, forms, OCR, or accessibility-oriented reading features are essential.
Your product? Our editors can test Komodo PDF in depth and publish a review, labelled as paid · from $149/mo →
Komodo PDF pricing
Komodo PDF fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Annotation tools | Not verified |
| OCR support | Not verified |
| Form filling | Not verified |
| Offline access | Not verified |
| Text-to-speech | Not verified |
| Platform support | Not verified |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | komodopdf.com |
| Facts checked | 24 Sep 2026 |
Alternatives to Komodo PDF
- Foxit PDF ReaderA free cross-platform reader with collaboration, forms, signatures, and cloud integrations.9.4
- OkularA capable open-source desktop reader with annotations, forms, signatures and accessibility tools.9.2
- PreviewA capable free PDF reader for Apple users, with practical editing and signing tools.9.1
See all Komodo PDF alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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