SpellBolt

Provides Local & Private, grammar suggestions on any text field.

A lightning-fast spell-checker for modern writers Spellbolt is a blazing-fast, privacy-first spell-checker built for clarity, performance, and complete control. It works entirely offline — no cloud syncing, no tracking, no ads — just sharp, real-time spelling corrections as you type. Crafted for web-native writing, Spellbolt uses a precision-built typo map and a lean, multi-dialect engine to catch real-world errors without ever slowing you down. From blog posts and emails to documentation and chat, Spellbolt keeps your text clean — without ever touching the internet. Who it's for: ⚡ Writers, coders, and content creators who value speed and simplicity 🔐 Privacy advocates and professionals in secure environments 🌎 Multinational users needing smart English dialect support [🇬🇧 🇺🇸 🇨🇦 🇦🇺] 💬 Users frustrated with cloud-based bloatware and upsell fatigue Key Features: - Real-time typo correction powered by an optimized typo→correction engine - 100% offline — no data ever leaves your browser - Supports American, British, Canadian, and Australian English - Great for markdown, documentation, and everyday web writing - Based on HarperJS core, extended with custom enhancements - No popups, tracking, subscriptions, or creepy AI logs - Lightweight, fast-loading, and memory-efficient Unlike bloated grammar suites or data-harvesting AI tools, Spellbolt stays lean, focused, and local. Your words, your browser — corrected instantly.