Prompt Bridge

Keep AI conversation context portable across ChatGPT, Claude, Gemini, Grok, and DeepSeek.

Prompt Bridge — Keep AI Context Portable Stop restarting conversations. Prompt Bridge captures any AI chat and lets you inject the full context into a different model in one click — no copy-paste, no lost nuance, no rebuilt prompts. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHY PROMPT BRIDGE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ You plan a feature with one AI. You want another to write the code. A third to review it. Today that means copy-pasting walls of text, losing formatting, blowing past token limits, and rebuilding context every time you switch tools. Prompt Bridge fixes that. One extension, every major AI surface, full conversation portability — all stored locally on your device. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ KEY FEATURES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • One-Click Capture Save complete conversations from any supported AI chat with a single click. Every turn, every role, preserved. • Smart AI Compression Long chats get condensed into tight, faithful summaries using your own API key. Slash token costs without losing what matters. • Instant Bridge Injection Drop saved context into any supported AI's input box in one click. No formatting glitches. No truncated prompts. • Auto-Detect Active Platform Switch tabs, Prompt Bridge follows. The side panel always shows the right controls for the AI you're on. • Local Thread Library Every captured chat lives in an on-device library. Search, rename, tag, reuse — all offline. • On-Device Privacy No servers. No cloud sync. No telemetry. Your conversations and API keys stay on your machine, encrypted at rest. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SUPPORTED PLATFORMS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Prompt Bridge currently works on the following AI chat domains: ✓ chatgpt.com / chat.openai.com ✓ claude.ai ✓ gemini.google.com ✓ grok.com ✓ chat.deepseek.com Additional adapters ship regularly. Request the AI tools you use — link below. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW IT WORKS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Open any supported AI chat. 2. Click the Prompt Bridge icon → Capture. 3. Switch to a different AI tool. 4. Click Inject. Done. Optional: enable Smart Compression in Settings, add your own LLM API key (encrypted locally), and let Prompt Bridge summarise long threads before injecting. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY FIRST ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • 100% on-device storage • API keys encrypted via the Web Crypto API • Zero analytics, zero tracking, zero remote servers • Open about exactly what it does — no hidden data flows ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHO IT'S FOR ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ → Developers juggling one AI for reasoning + another for codegen → Researchers comparing model outputs side by side → Writers refining drafts across multiple assistants → Anyone tired of typing "let me catch you up..." again ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PERMISSIONS EXPLAINED ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Prompt Bridge only runs on the supported AI domains listed above. It reads chat content to capture conversations and writes to the input box when you inject context. Nothing leaves your device — unless you explicitly turn on a cloud LLM API for compression, and even then only the text you choose to summarise is sent, using your own key. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ROADMAP ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • More AI platform adapters (vote on the next one) • Cross-thread merging • Local-LLM compression (offline summarisation) • Conversation export (Markdown, JSON) Open an issue or request a platform: https://www.promptbridge.co/support ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRICING ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Prompt Bridge is launching with full core functionality available out of the box. A lifetime plan is in development — early adopters will get launch pricing when premium features and pro tiers roll out. In-app purchases may be offered for future advanced capabilities such as expanded compression quotas, additional adapters, and cross-thread tooling. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Built for people who actually use multiple AI tools every day. Open development. Active roadmap. Real users shape what ships next.