punycoder: Unicode and Punycode Domain Name Processing

High-performance Unicode and Punycode encoding/decoding for internationalized domain names. Provides RFC 3492 compliant conversion functions with a focus on URL processing and data analysis workflows. Addresses limitations in existing R packages for handling international domain names in web scraping and URL parsing applications.

Version: 1.0.0
Depends: R (≥ 3.5.0)
Imports: Rcpp (≥ 1.0.0)
LinkingTo: Rcpp
Suggests: testthat (≥ 3.0.0), knitr, rmarkdown
Published: 2026-06-11
DOI: 10.32614/CRAN.package.punycoder (may not be active yet)
Author: Bart Turczynski [aut, cre]
Maintainer: Bart Turczynski <bartek+punycoder at turczynski.pl>
BugReports: https://github.com/bart-turczynski/punycoder/issues
License: MIT + file LICENSE
URL: https://github.com/bart-turczynski/punycoder
NeedsCompilation: yes
SystemRequirements: GNU libidn2 (optional, for native punycode backend)
Materials: README, NEWS
CRAN checks: punycoder results

Documentation:

Reference manual: punycoder.html , punycoder.pdf
Vignettes: Introduction to punycoder (source, R code)

Downloads:

Package source: punycoder_1.0.0.tar.gz
Windows binaries: r-devel: punycoder_1.0.0.zip, r-release: not available, r-oldrel: punycoder_1.0.0.zip
macOS binaries: r-release (arm64): punycoder_1.0.0.tgz, r-oldrel (arm64): punycoder_1.0.0.tgz, r-release (x86_64): punycoder_1.0.0.tgz, r-oldrel (x86_64): punycoder_1.0.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=punycoder to link to this page.