Quickstart
Install, build a dictionary, and check your first text in 5 minutes.
Try Sarsit
Use the hosted spell checker — no setup required.
What makes it different
Syllable-First
Validates syllable structure before word lookup. Catches 90%+ of typos at O(1) cost.
Fast Suggestions
SymSpell algorithm generates corrections 1,000x faster than edit distance search.
Context-Aware
N-gram models detect real-word errors that pass dictionary checks.
Grammar Checking
POS tagging + YAML-driven rules catch particle misuse, register mixing, and more.
AI-Powered
Optional ONNX models for semantic checking and token-level error detection.
High Performance
Cython extensions + OpenMP parallelization for production workloads.