lopdf by J-F-Liu
A Rust library for PDF document manipulation.
About lopdf
From the project's README at github.com/J-F-Liu/lopdf. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://crates.io/crates/lopdf) [](https://github.com/J-F-Liu/lopdf/actions/workflows/ci.yml) [](https://docs.rs/lopdf)
A useful reference for understanding the PDF file format and the eventual usage of this library is the PDF 1.7 Reference Document. The PDF 2.0 specification is available here. Requirements Rust 1.85 or later - Required for Rust 2024 edition features and object streams support To check your Rust version: To update Rust: Example Code
```rust use lopdf::dictionary; use lopdf::{Document, Object, Stream}; use lopdf::{Content, Operation};
// specifes the PDF version this document complies with. let mut doc = Document::withversion("1.5"); // Object IDs are used for cross referencing in PDF documents. // helps keep track of them for us. They are simple integers. // Calls to and return an object ID.
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 2.2k | github.com/J-F-Liu/lopdf |
| GitHub forks | 249 | github.com/J-F-Liu/lopdf |
| CRATES downloads (last month) | 3157k | lopdf |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 9.4 years | since Dec 2016 |
| Last commit | 10 days ago | Apr 27, 2026 |
| Releases shipped | 26 | last: 4 months ago |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
Ready to self-host lopdf?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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