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Pandoc Review

Depends

Should I use Pandoc?

A universal document converter - pandoc.org

· 1 month ago

Buy it if your team is comfortable in a terminal and juggles many document formats. Skip it if you need a GUI, vendor support, or just occasional one-off conversions.

Confidence

High. Based on 20+ public sources: Reddit/HN reviews, official docs, NVD and GitHub security advisories, and competitor comparisons.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

Free

Pandoc

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Docs-heavy teams
  • Academic and LaTeX writers
  • Developers automating conversions
  • Publishing pipelines

Not for

  • Non-technical users wanting a GUI
  • One-off casual file conversions
  • Teams needing vendor support or SLAs
  • Untrusted-input pipelines without sandboxing

Gotchas - check before you buy

high

CVE-2025-51591 SSRF actively exploited to steal AWS credentials — patch immediately

high

Arbitrary file write possible with PDF output; sandbox any untrusted input

medium

Generated HTML is not guaranteed safe; use --sandbox by default

medium

No support line — help comes from GitHub, subreddit, and community docs

Pros and cons

Pros

  • Converts between 60+ document formats
  • Completely free and open source under GPL
  • Extensible via Lua filters and templates
  • Widely praised as the best markup converter
  • 20 years of active development and stability

Cons

  • Command-line only; no GUI for non-technical users
  • Very powerful but requires significant learning effort
  • Edge-case glitches: wide tables, images, math, HTML conversions
  • Only the most recent version receives security fixes
  • Large install with many dependencies

Sources & method

- 10 sources - One actively exploited SSRF CVE (2025) and an arbitrary file-write advisory; run --sandbox and stay on the latest version.

official x2review x5security x2news x1
  • CVE-2025-51591 — SSRF in Pandoc 3.6.4, Actively exploited in attacks targeting AWS instance metadata credentials; patch and restrict untrusted document processing.
  • Arbitrary file write via PDF output, GitHub advisory GHSA-xj5q-fv23-575g: malicious input can write files when producing PDFs; --sandbox mitigates.

Key stats

  • Value for money: 5/5

    Rating

  • Free

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 5/5. Completely free, GPL, no usage limits
  • Ease of use: 2/5. CLI-only; steep learning curve
  • Feature depth: 5/5. 60+ formats, Lua filters, templates
  • Support quality: 2/5. Community-only; no vendor SLA
  • Security posture: 2/5. Actively exploited 2025 SSRF CVE
  • Free Price GPL open source
  • 60+ Formats supported More than Microsoft MarkItDown
  • 20 years Project age Per 'Twenty Years of Pandoc'
  • 72 Tracked company users Per TheirStack dataset

Pricing

Pandoc

Free

  • All 60+ format conversions
  • CLI tool plus Haskell library
  • GPL open source, community support

Security

One actively exploited SSRF CVE (2025) and an arbitrary file-write advisory; run --sandbox and stay on the latest version.

  • CVE-2025-51591 — SSRF in Pandoc 3.6.4Actively exploited in attacks targeting AWS instance metadata credentials; patch and restrict untrusted document processing.⁸
  • Arbitrary file write via PDF outputGitHub advisory GHSA-xj5q-fv23-575g: malicious input can write files when producing PDFs; --sandbox mitigates.⁹

What users say

Reddit and Hacker News users call Pandoc the gold standard for format conversion while noting CLI friction and occasional edge-case glitches.

“Works very well.”
Reddit, r/LaTeX
“I really like Pandoc.”
Reddit, r/linux
“Pandoc is huge, lots of dependencies”
OpenMandriva forum

Alternatives

Compare Pandoc with each alternative.

  • Microsoft MarkItDown

    Simpler, faster markdown conversion — fewer formats than Pandoc

  • DocRaptor

    Paid per-document PDF API with real vendor support

  • Unmarkdown

    GUI publishing tool for users who avoid the terminal

    Pandoc vs Unmarkdown

Companies that use it

  • RStudio

Companies that could

  • Microsoft⁵ Uses Microsoft MarkItDown instead
Full analysis

Based on 20+ public sources: Reddit/HN reviews, official docs, NVD and GitHub security advisories, and competitor comparisons.

Free CLI converting 60+ formats — unbeatable value in a terminal, wrong tool if you want a GUI or support.

Methodology

Based on 20+ public sources: Reddit/HN reviews, official docs, NVD and GitHub security advisories, and competitor comparisons.

Read how a report is made.

Sources

  1. Pandoc - index (official)pandoc.org
    official
  2. Getting started with pandocpandoc.org
    official
  3. What are your thoughts on Pandoc? - Reddit r/LaTeXreddit.com
    review
  4. Pandoc - Hacker Newsnews.ycombinator.com
    review
  5. markitdown vs pandoc discussiongithub.com
    review
  6. Comparing to Pandoc - MyST Markdownmystmd.org
    review
  7. Pandoc vs Unmarkdownunmarkdown.com
    review
  8. CVE-2025-51591 - NVDnvd.nist.gov
    security
  9. GHSA-xj5q-fv23-575g advisorygithub.com
    security
  10. Hackers Exploit Pandoc CVE-2025-51591thehackernews.com
    news

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