Papers vs MuPDF

Papers6.5Visit MuPDF6.5Visit

Papers #10 in PDF Readers 6.5/10 Free plan Free plan✓ 3 of 4 features Visit Papers

vs

MuPDF #11 in PDF Readers 6.5/10 Free plan · paid from $299/mo · 14-day trial Free plan✓ 1 of 4 features Visit MuPDF

• Papers fits best

  Linux users reading PDFs and comics

• MuPDF fits best

  Developers needing a powerful open-source viewer

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Side by side

Feature	Papers 6.5/10 Visit ↗	MuPDF 6.5/10 Visit ↗
At a glance
Editor score	6.5	6.5
Ranking	#10 in PDF Readers	#11 in PDF Readers
Best for	Linux users reading PDFs and comics	Developers needing a powerful open-source viewer
Pricing model	Free	Free plan + paid
Starting price	Not published	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Cloud, Self-hosted, Browser extension
Platforms	Linux	Web, Linux, Windows, macOS
Support	Docs	Email
Built for	Solo, Small business	Small business, Mid-market, Enterprise
Features Papers 3/4 · MuPDF 1/4
Annotation tools	✓	✓
Form filling	✓ (best)	Not published
Offline access	✓ (best)	Not published
Text-to-speech	Not published	Not published
Specs
OCR support	None	Not published
Platform support	Desktop	Cross-platform
Our review
Pros	Free and open source, distributed through Flathub Supports annotations, bookmarks, search, and interactive PDF forms Opens DjVu, TIFF, presentations, and CBR, CBT, CBZ, and CB7 archives	Supports rendering, extraction, annotations, redaction, forms, and signatures Runs across web, desktop, mobile, API, and embedded environments Includes mutool command-line tools and bindings for five languages
Cons	Designed for Linux desktop environments rather than multiple platforms Focused on viewing and document handling rather than broader integrations Its feature set centers on documents, PDFs, and comics	No OCR support AGPL terms may not fit proprietary embedding or redistribution Primarily a developer library, not a standalone consumer reader
Our verdict	Papers is a free, open-source document viewer from The GNOME Project, designed primarily for Linux desktop environments. It suits users who read PDFs, comics, presentations, and other supported documents from a GNOME desktop. The… Read the review →	MuPDF is an open-source C library and document engine for developers building PDF and document workflows across desktop, mobile, web, server, and embedded environments. It covers viewing, rendering, extraction, conversion, annotation,… Read the review →

Strengths and trade-offs

• Papers — where it wins

  • Free and open source, distributed through Flathub
  • Supports annotations, bookmarks, search, and interactive PDF forms
  • Opens DjVu, TIFF, presentations, and CBR, CBT, CBZ, and CB7 archives

  Where it doesn't

  • Designed for Linux desktop environments rather than multiple platforms
  • Focused on viewing and document handling rather than broader integrations
  • Its feature set centers on documents, PDFs, and comics

• MuPDF — where it wins

  • Supports rendering, extraction, annotations, redaction, forms, and signatures
  • Runs across web, desktop, mobile, API, and embedded environments
  • Includes mutool command-line tools and bindings for five languages

  Where it doesn't

  • No OCR support
  • AGPL terms may not fit proprietary embedding or redistribution
  • Primarily a developer library, not a standalone consumer reader

• Papers6.5/10 · Free plan

  A free Linux document viewer with useful PDF, form, annotation, and comic support.

  Visit PapersFull verdict →
• MuPDF6.5/10 · Free plan · paid from $299/mo · 14-day trial

  A developer-focused PDF engine with broad document tooling and cross-platform support.

  Visit MuPDFFull verdict →