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SPECIFICTION
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Komodo PDF

komodopdf.com

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Spec score 8.0 #13 of 24 in PDF Readers

What it is

Komodo PDF is a free, GPLv3 open-source PDF reader for Windows, macOS, and Linux. Its local-first reader supports continuous scrolling, zoom, fit-width and fit-page views, document outlines, and text selection. An AI panel answers questions using passages indexed in a local vector store. Clicking a citation takes you to the cited passage and highlights it, while a per-page badge marks pages without a text layer, such as scanned images. If the document cannot answer, the assistant can use general knowledge and indicate that fallback. Chat works with OpenAI-compatible providers using your own API key and with local chat endpoints. The maker says Komodo has no backend, sends no telemetry, and does not upload documents to Komodo; remote chat sends retrieved passages to the configured provider. With local ONNX embeddings and a local chat endpoint, documents are said to remain on the laptop. API keys use the operating-system keyring with an encrypted disk fallback. Windows downloads include EXE, MSI, and portable ZIP files, with published SHA-256 checksums. Version 0.1.1 is displayed.

Spec sheet

Product
Komodo PDF is a local-first PDF reader with an AI panel that answers questions about a document using page-cited sources.Read 8 Oct 2026 · komodopdf.com
Platforms
The available installer targets Windows 10/11 x64; macOS and Linux prebuilt binaries are not ready, but the maker says both can be built from source.Read 8 Oct 2026 · komodopdf.com
Free plan
YesRead 24 Sep 2026 · komodopdf.com
Integrations
Chat works with OpenAI-compatible providers using the user's own API key; local chat endpoints are also supported.Read 8 Oct 2026 · komodopdf.com
Privacy
The maker says Komodo has no backend, sends no telemetry, and does not upload documents to Komodo; remote chat sends retrieved document passages to the configured provider.Read 8 Oct 2026 · komodopdf.com
Support
The maker links to a contributing guide and a bug-report page on GitHub.Read 8 Oct 2026 · komodopdf.com
AI routing
When the document does not answer a question, the assistant can fall back to general knowledge and indicate that it did so.Read 8 Oct 2026 · komodopdf.com
Citations
Users can click an answer citation to jump to and highlight its source passage.Read 8 Oct 2026 · komodopdf.com
Downloads
The maker lists Windows EXE, MSI, and portable ZIP downloads and says SHA-256 checksums are published with releases.Read 8 Oct 2026 · komodopdf.com
Key storage
API keys are stored in the operating system keyring with an encrypted on-disk fallback.Read 8 Oct 2026 · komodopdf.com
License and version
The site identifies Komodo PDF as GPLv3 open source and displays version 0.1.1.Read 8 Oct 2026 · komodopdf.com
Limitations
The maker describes Komodo as a focused reader with a grounded AI panel rather than an Acrobat clone.Read 8 Oct 2026 · komodopdf.com
Local use
With local ONNX embeddings and a local chat endpoint, the maker says documents never leave the user's laptop.Read 8 Oct 2026 · komodopdf.com
Reading
The reader supports continuous scrolling, zoom, fit-width, fit-page, document outlines, and text selection.Read 8 Oct 2026 · komodopdf.com
Retrieval
Komodo indexes document passages into a local vector store and retrieves relevant passages for questions.Read 8 Oct 2026 · komodopdf.com
Scanned pages
A per-page badge identifies pages without a text layer, such as scanned images.Read 8 Oct 2026 · komodopdf.com

Plans and prices

Komodo PDF Free Free and open source · GPLv3 · Windows 10/11 (x64) · macOS and Linux builds from source Read 8 Oct 2026 · komodopdf.com

Every Komodo PDF plan and price →

Strong points and limits

Strong points

  • Free GPLv3 open-source license
  • Citations jump to highlighted passages
  • Local vector-store document retrieval
  • Supports Windows, macOS, and Linux
  • Local chat endpoints supported

Limits

  • Focused reader, not an Acrobat clone
  • Remote chat sends passages to the configured provider
  • Version 0.1.1 is displayed

Who it suits

It suits readers who want PDF navigation plus document-grounded questions and citations. It also fits users seeking local processing options and open-source software.

Verdict

Komodo PDF pairs a conventional reader with citation-based document questions and local-first controls. Its privacy model depends on whether chat is routed locally or to a configured remote provider.

Where Specifiction places it

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