Diacritics & Grammar Fix by COPLAS Technlologies, s.r.o.

Fix diacritics and grammar in selected text on any webpage using AI.

Select text, right-click and choose "Fix diacritics & grammar" - or press Ctrl+Shift+D. The AI corrects the text and replaces it directly in editable fields, or shows a popup with the corrected version for copying.

Supported AI providers:
- Google Gemma 3 27B (FREE - no credit card needed!)
- Google Gemini 2.5 Flash / Pro
- Claude (Anthropic) - Haiku, Sonnet
- ChatGPT (OpenAI) - GPT-4o Mini, GPT-4o

How to use:
1. Install the extension and open Settings
2. Choose an AI provider and paste your API key
3. Select text on any webpage
4. Right-click -> "Fix diacritics & grammar" (or Ctrl+Shift+D)
5. Corrected text replaces the original or appears in a popup

Features:
- Works in textarea, input fields, email compose (Gmail), contenteditable, and any editable content
- Keyboard shortcut: Ctrl+Shift+D
- Correction languages: Slovak, Czech, English, German, Hungarian, Polish
- Your own API key - you control costs
- Diff view - see exactly what changed
- Dark theme UI
- No data collection, no analytics, no tracking
- API keys stored locally in your browser only

Ideal for:
- Writing emails in languages with diacritics (Slovak, Czech, Polish, Hungarian, German)
- Fixing text typed without diacritics on an English keyboard
- Quick grammar corrections in any language