About this extension

Your Truth Guardian for AI Content
Fact-check AI claims instantly with a single click. Never be misled again.

In a world where AI can generate convincing but sometimes inaccurate information, HalluCheck stands guard between you and potential misinformation. This lightweight extension instantly verifies AI-generated content against trusted knowledge sources like Wikipedia, academic papers, and reference databases.

Simply highlight any text in AI chat responses, and HalluCheck works its magic:
• Green highlights indicate verified facts
• Yellow shows uncertain claims needing caution
• Red flags potential misinformation

HalluCheck works entirely in your browser and respects your privacy with zero tracking. It doesn't require API keys or accounts—just install and start fact-checking immediately.

Perfect for students verifying research, professionals validating information, journalists checking facts, and anyone who values accuracy in the age of AI.

Don't just trust. Verify with HalluCheck—your essential companion for navigating the world of AI-generated content with confidence.

Supported LLM Interfaces
This extension works with numerous AI chatbots and LLM interfaces including:

ChatGPT (OpenAI)
Grok
Claude (Anthropic)
Google Gemini (formerly Bard)
Microsoft Copilot (formerly Bing Chat)
Perplexity AI & Perplexity Labs
Alibaba Tongyi Qwen & Qwen Chat
DeepSeek
Yuanbao AI (Tencent)
Doubao (ByteDance)
Cici (ByteDance)

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This add-on needs to:

Access your data for sites in the wikipedia.org domain
Access your data for sites in the wikidata.org domain
Access your data for sites in the dbpedia.org domain
Access your data for sites in the wikimedia.org domain
Access your data for sites in the openlibrary.org domain
Access your data for sites in the thesaurus.org domain
Access your data for sites in the wiktionary.org domain
Access your data for sites in the merriam-webster.com domain
Access your data for sites in the openai.com domain
Access your data for sites in the grok.com domain
Access your data for sites in the x.ai domain
Access your data for sites in the claude.ai domain
Access your data for sites in the anthropic.com domain
Access your data for sites in the google.com domain
Access your data for sites in the bing.com domain
Access your data for sites in the perplexity.ai domain
Access your data for sites in the qwen.ai domain
Access your data for sites in the deepseek.com domain
Access your data for sites in the yuanbao.tencent.com domain
Access your data for sites in the doubao.com domain
Access your data for sites in the cici.com domain
Access your data for sites in the bytedance.com domain
Access your data for kgsearch.googleapis.com
Access your data for lookup.dbpedia.org
Access your data for api.crossref.org
Access your data for chat.openai.com
Access your data for grok.com
Access your data for grok.x.ai
Access your data for claude.ai
Access your data for gemini.google.com
Access your data for www.bing.com
Access your data for perplexity.ai
Access your data for labs.perplexity.ai
Access your data for tongyi.aliyun.com
Access your data for qianwen.aliyun.com
Access your data for chat.qwen.ai
Access your data for deepseek.ai
Access your data for yuanbao.tencent.com
Access your data for www.doubao.com
Access your data for www.cici.com

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