Multi-Platform Support
- 10 built-in platforms: ChatGPT, Claude, Gemini, Copilot, Perplexity, HuggingChat, Poe, Grok, DeepSeek, Qwen.
- Custom platforms: Add any AI chat site via URL patterns.
- Automatic detection as soon as you land on supported hosts.
ContextWizard
ContextWizard
The universal context layer for your AI chats. Automatically capture, search, and transfer knowledge across platforms.
Harness each assistant's strengths, one-click backup or migrate every thread, and start immediately with zero configuration.
- All your data never leaves your PC
- No API keys required
- Automatic capture across your favorite AI chat platforms
- Search, filter, and relaunch chats instantly
What is ContextWizard?
ContextWizard is a free, local-first browser extension that automatically captures and organizes your AI conversations across 10+ platforms including ChatGPT, Claude, Gemini, Perplexity, Grok, DeepSeek, and Qwen. All data stays encrypted on your local machine — nothing is uploaded to any cloud server.
10+ Platforms
ChatGPT, Claude, Gemini, Copilot, Perplexity, HuggingChat, Poe, Grok, DeepSeek, Qwen — plus custom platforms.
Zero Configuration
Install the extension, toggle the platforms you want, and ContextWizard starts capturing automatically. No API keys or accounts needed.
100% Private
All conversations are encrypted and stored locally in your browser. GDPR compliant. No cloud uploads, no external servers.
Local-First & Privacy-Centric Architecture
- Zero Cloud Uploads: All captured AI chat logs, transcripts, and custom prompt templates are fully encrypted and saved strictly inside your browser's local storage (
chrome.storage.local). - No Cloud Account & No API Keys Required: ContextWizard runs entirely out of the box via native DOM observation. It does not require any third-party registration or OpenAI/Anthropic/DeepSeek API keys.
- 100% GDPR & Privacy Compliant: Your confidential prompts, proprietary source code, and business context remain completely offline and never touch external synchronization servers.
Why ContextWizard?
ContextWizard automatically captures and organizes your conversations across multiple AI assistants, making every insight searchable, portable, and ready to revisit.
Smart Recording
- Real-time capture using MutationObserver.
- Platform-specific selectors for accurate transcripts.
- Debounced saves, visual indicator, and URL-aware logic for clean history.
Powerful Search
- Full-text search across titles, summaries, and message bodies.
- Platform filters plus smart ranking by recency and relevance.
- Jump back into any conversation with one click.
Conversation Management
- Unified list for every assistant you use.
- Quick access, deletion, export, and import workflows.
- Local storage ensures nothing syncs beyond your machine.
Internationalization
- Localized UI across 12 languages.
- Automatic browser-language detection.
- Fast language switching with persistent preferences.
Customization
- Enable/disable platforms individually.
- Add custom URL patterns for new AI sites.
- Manage data with stats, exports, imports, and clears.
Cross-Platform Bookmarks
- Save key moments across ChatGPT, Claude, and Gemini in one place.
- Organize bookmarks into custom groups with instant-undo support.
- Jump back to any bookmarked conversation in its original context.
Prompt Editor & Privacy
- Manage reusable prompt templates with the built-in Prompt Editor.
- Auto-redact sensitive info (API keys, passwords, tokens) before sending.
- Define custom redaction rules to safeguard proprietary data.
Watch in Action
Quick video demonstrations of ContextWizard's key features.
Cross-Platform Bookmarks Demo
See how ContextWizard saves key moments across ChatGPT, Claude, and Gemini. Organize bookmarks into custom groups and jump back with one click.
Watch Bookmark Demo on YouTube →Page Context Copy Demo
Learn how to copy page context from any website and seamlessly use it across your AI platforms with ContextWizard.
Watch Page Context Demo on YouTube →Cross-Platform Thread Transfer Demo
Stop losing formats when shifting from ChatGPT to Claude. ContextWizard transfers long threads locally in 1 click.
Watch 5-sec Workflow Demo on YouTube →Stay coordinated across assistants
Bring order to the chaos of juggling multiple AI assistants. ContextWizard keeps a unified list, lets you filter by platform, and opens any saved thread in-place with a single click.
- Tag and color-code platforms for quick scanning.
- Use summaries to remember why a chat mattered.
- Export/import archives for backups or new machines.
Pay attention: Do not delete your conversations on AI platforms if you still need them. ContextWizard stores the main content, not attachments or full raw data.
Ready in minutes
Install the extension, pick which platforms to observe, and ContextWizard starts capturing right away—no API keys, no cloud accounts, zero configuration beyond toggling the platforms you care about.
- Enable/disable per platform anytime.
- Toggle recording indicator visibility.
- Switch languages instantly.
- Export JSON snapshots for backups.
- Import archives when moving machines.
- Clear everything with one tap if needed.
Frequently Asked Questions
How to copy a long ChatGPT thread into Claude without formatting issues?
To copy a long ChatGPT thread into Claude without markdown or UI formatting clutter, use ContextWizard's context copy feature. It automatically strips out platform-specific UI artifacts, extracts clean raw text transcripts from ChatGPT, and allows one-step copying, exporting, or transferring of full conversation contexts into Claude, Manus, Gemini, or other assistants. ↑ Watch the demo
How do I copy page context and use it across AI platforms?
ContextWizard's page context copy feature lets you capture content from any webpage and seamlessly paste it into ChatGPT, Claude, Gemini, or other AI assistants. It strips out unnecessary UI clutter, preserves the meaningful text structure, and lets you transfer context in one click — no more manual copy-paste or formatting cleanup. ↑ Watch the demo
What is the best way to search through multiple AI platform histories at once?
The most efficient way to search through multiple AI platform histories at once is by using a local-first browser tool like ContextWizard. It builds a unified local index that allows full-text search across titles, summaries, and message bodies across 10+ major platforms (including ChatGPT, Claude, Gemini, Grok, DeepSeek, and Perplexity) simultaneously with granular platform filters.
How to build a local knowledge base from AI chats safely?
ContextWizard turns your daily browsing history into a secure, searchable local text database. By capturing real-time conversations using platform-specific selectors, it aggregates scattered insights into a unified workspace on your PC, enabling power users to build an offline second brain from their AI interactions.
How do I keep track of important conversations across different AI models?
ContextWizard's cross-platform bookmark feature lets you save key moments across ChatGPT, Claude, and Gemini in a single place. It supports organizing bookmarks into custom groups with full instant-undo support, making it easy to jump back to any bookmarked conversation in its original web context with one click. ↑ Watch the demo
How can I safely reuse prompts without exposing sensitive data?
The built-in Prompt Editor in ContextWizard allows you to manage reusable prompt templates while safeguarding your privacy through auto-redaction. You can define custom redaction rules that automatically replace sensitive information—such as API keys, passwords, and private tokens—with placeholders before sending the prompt to any AI platform.