#51 in Frameworks & LibrariesUpdated 2026-08

MuPDF

by MuPDF · Embeddable PDF and document library with C, Python, JS and .NET bindings

38.8 — BenchRank score out of 100

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Overview

MuPDF is a C library for working with PDF and other document formats, with bindings for Python (PyMuPDF), Node.js and JavaScript (MuPDF.js) and C# (MuPDF.NET). It handles extraction, rendering, redaction, annotation, digital signing, merging, splitting, compression and format conversion. A WebViewer product built on the same engine embeds a document viewer into a web page or app.

Best for: Developers embedding PDF viewing, editing and extraction into their own applications
Pricing: No prices are shown; the site only offers a Contact Sales route for a commercial licence.

Strengths and trade-offs

Strengths

Bindings for C, Python, JavaScript/TypeScript and C#
Covers extraction, rendering, redaction, signing and merging
Reads PDF, ePUB, XPS, CBZ, SVG and common image formats
Commercial licence permits redistribution without source disclosure

Trade-offs

No prices published; licensing runs through a sales contact
Technical support is tied to buying a commercial licence
ePUB, XPS and CBZ are input-only; they are not output formats
An embeddable SDK, so integration work is required

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 0 out of 100
Documentation: 10 out of 100
Agent friendliness: 98 out of 100
Customer sentiment: 80 out of 100
Changelog: 40 out of 100
Marketing site structure: 55 out of 100
Operational trust: 0 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 0 out of 100

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