yoshuawuyts/components

[component] pdfmark — PDF ↔ Markdown conversion

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#14 opened on May 1, 2026

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good first issue

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Description

Goal

A pure Wasm component for extracting rich text/sections from PDF to Markdown, and optionally rendering Markdown back to PDF. Accepts bytes in, spits bytes out. Zero host I/O or network use; pure function.

Scope/Features

  • Extract text, page structure, and images from PDF input as Markdown
  • Optionally: render Markdown into simple PDF (round-trip)
  • Preserve metadata (title/author/etc) if feasible
  • Return errors on passworded/corrupted files

Rough WIT shape

  • extract(input: list<u8>) -> result<string, error>
  • render(md: string) -> result<list<u8>, error> (_optional)

Candidate crates/libs

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  • good first issue

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Contributor guide

Research direction
Explore existing PDF libraries like lopdf and evaluate their Wasm compatibility. Investigate how to compile Rust PDF libraries to Wasm without host I/O. Consider the WIT interface design for extract and render functions.
Tech stack
rustwasm
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
RustWebAssembly
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70