AI Safety

punctilio: the best text prettifier

This open-source package transforms messy ASCII into beautiful typography automatically.

Deep Dive

Punctilio, a new open-source text prettifier, outperforms five major competitors with 97% accuracy across 159 benchmark tests. The package transforms plain ASCII punctuation into typographically correct Unicode—handling smart quotes, dashes, ellipses, math symbols, legal symbols, arrows, primes, fractions, and superscripts. It uniquely maintains accuracy across HTML element boundaries and offers British localization. With 1,100+ tests at 100% branch coverage, it's the most feature-complete micro-typography solution available via npm install.

Why It Matters

Developers finally have a reliable, single package to automatically perfect typography across all web content and documentation.