AI Grammar Checker
AI Grammar Checker for English
Project overview
AI Grammar Checker is AI Grammar Checker for English Check your grammar and spelling errors at any time Built with high standards for performance, security, and intuitive user experiences, the platform is engineered to support mission-critical workflows and seamless scale.
What made this project challenging
Running context-aware NLP grammar correction on-device with minimal battery and memory overhead
Achieving sub-100ms latency to provide real-time suggestions while users type
Supporting complex grammatical structures, dialect variations, and punctuation nuance
Integrating seamlessly across third-party keyboard extensions and text inputs
How we delivered
Engineered quantized NLP models optimized for mobile execution using C++ and ONNX Runtime
Built intuitive Android app interface with interactive correction cards and explanation tooltips
Developed custom user dictionary, style preferences (Formal/Casual), and tone detection modules
Implemented offline caching mechanism so core grammar checking works without cellular data
Key outcomes
1M+ downloads on Google Play
Sub-80ms correction inference speed
96.4% grammar accuracy benchmark
4.7★ average user rating
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