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LibreOffice CLI in Rust

24 starsRust

LibreOffice-rs – I built a pure-Rust LibreOffice using autoresearch

by stan_kirdey·May 19, 2026·10 points·1 comment
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AI Analysis

●●●BangerWizardryBig BrainZero to One

Pure-Rust DOCX to PDF converter running 100x faster than LibreOffice with zero C dependencies.

Strengths
  • •Implements complex OOXML and ODF parsing using only Rust standard library.
  • •Drops into serverless environments where installing LibreOffice is impossible.
  • •Benchmarks show 10–187x speed improvement over headless LibreOffice conversions.
Weaknesses
  • •Explicitly admits it is not feature-parity with full LibreOffice suite yet.
  • •Rendering fidelity for complex macros or legacy formats may be limited.
Target Audience

Rust developers and DevOps engineers needing lightweight document conversion

Similar To

LibreOffice · Pandoc · Docx4j

Post Description

Hey HN,

I built libreoffice-rs: a pure-Rust, std-only library + CLI for reading, writing, converting, and rendering office documents — with *zero* LibreOffice, Java, or C dependencies.

100x faster... I know, I know.

It supports DOCX, XLSX, PPTX, ODT/ODS/ODP, PDF, Markdown, CSV, HTML, SVG, and more. The CLI is designed to feel familiar:

```bash cargo install libreoffice-pure

# soffice-style usage libreoffice-pure --headless --convert-to pdf report.docx libreoffice-pure --headless --convert-to csv spreadsheet.xlsx

# Markdown extraction libreoffice-pure docx-to-md report.docx report.md libreoffice-pure pptx-to-md slides.pptx slides.md

# Render pages as images libreoffice-pure docx-to-pngs report.docx pages/ --dpi 144 ```

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