Skip to content
AI Tool

Prompt Bridge Review

Prompt Bridge is a Chrome extension designed to enhance interactions with various AI chat platforms by enabling context portability.

shipped Aug 7, 2026freemium
Prompt Bridge — product screenshot

Why it matters

1Supports OpenAI, Claude, Gemini, Mistral, Grok, and DeepSeek models.
2Features on-device storage of conversations, ensuring user privacy.
3Includes Smart AI Compression, utilizing the user's own API key for cost-effective summarization.
4Launched on Product Hunt on August 7, 2026, with active developer engagement.

overview

What is Prompt Bridge?

Prompt Bridge is a browser extension tool developed by Atharv that enables professionals and users who leverage multiple AI models in their workflow to carry AI conversation context anywhere. It allows users to capture complete conversations from supported AI chats, save threads, and inject context into subsequent conversations across different platforms. The tool emphasizes on-device privacy, storing all captured chats locally in the user's browser's IndexedDB.

features

Key Features of Prompt Bridge

Prompt Bridge provides a suite of features designed to streamline AI interactions and maintain conversational continuity across diverse AI models. Its core functionality revolves around context management and portability.

  • One-Click Conversation Capture: Save complete conversations from any supported AI chat, preserving every turn and role.
  • Instant Context Injection: Inject saved conversation context into the input box of another supported AI platform.
  • Smart AI Compression: Summarize long chats using a user's own API key from providers like OpenAI, Anthropic, Google, DeepSeek, or xAI, reducing token costs.
  • Cross-Platform Context Transfer: Seamlessly move AI conversation context between different models and platforms (e.g., OpenAI to Claude).
  • Auto-Detect Active AI Platform: Automatically identifies the active AI platform when switching browser tabs, displaying relevant controls.
  • Local Thread Library: Stores all captured chats on the user's device, enabling offline access, searching, renaming, and tagging of conversations.
  • On-Device Privacy: Conversations are stored locally, API keys are encrypted locally using AES-256-GCM, and the tool operates without servers, telemetry, or analytics.

use cases

Who Should Use Prompt Bridge?

Prompt Bridge is primarily designed for professionals and users who frequently interact with multiple AI models in their daily workflows, aiming to enhance efficiency and maintain context across different platforms.

  • Professionals leveraging multiple AI models: Users who switch between AI tools for tasks like drafting, coding, and reviewing, needing to transfer context without manual copy-pasting.
  • Researchers and content creators: Individuals who generate and refine content across various LLMs and require a consistent conversational history.
  • Users concerned with data privacy: Those who prefer their AI conversation data to be stored locally on their device rather than on external servers.
  • Developers and testers: Individuals experimenting with different AI models and needing to quickly port prompts and responses between them for comparison or iteration.

how to use

How to Use Prompt Bridge

To begin using Prompt Bridge, users install the Chrome extension and can immediately start capturing and injecting AI conversation context across supported platforms.

  • 1Install the Prompt Bridge Chrome extension from the Chrome Web Store.
  • 2Navigate to a supported AI chat platform (e.g., ChatGPT, Claude, Gemini).
  • 3Initiate or continue a conversation with the AI.
  • 4Click the Prompt Bridge extension icon to capture the complete conversation.
  • 5Switch to another supported AI chat platform.
  • 6Use the Prompt Bridge extension to inject the previously captured context into the new AI's input box.

pricing

Prompt Bridge Pricing & Plans

Prompt Bridge operates on a freemium model, offering core functionalities without charge while planning for future premium tiers and a lifetime plan. The tool's 'Capture' and 'Bridge' features are available for free indefinitely.

  • Free Tier: Includes full access to 'Capture' and 'Bridge' functionalities for conversation portability.
  • Smart AI Compression: Utilizes the user's own API key from providers like OpenAI, Anthropic, Google, DeepSeek, or xAI. Users are responsible for their API usage costs; Prompt Bridge does not charge for this specific feature.
  • Lifetime Plan (Upcoming): A lifetime plan is under development, with early adopters expected to receive special launch pricing upon the introduction of premium features and pro tiers.

Pros

  • +Ensures strong privacy by storing all conversation data locally on the user's device.
  • +Supports a wide range of major AI models including OpenAI, Claude, Gemini, Mistral, Grok, and DeepSeek.
  • +Streamlines workflow by eliminating manual copy-pasting of context between different AI platforms.
  • +Offers Smart AI Compression, allowing users to summarize long chats using their own API keys, potentially saving token costs.
  • +Provides a local thread library for organizing, searching, and accessing captured conversations offline.
  • +The core 'Capture' and 'Bridge' functionalities are available for free.

Cons

  • Currently limited to a Chrome extension, with no immediate availability for other browsers like Firefox (though planned).
  • Does not offer an API for programmatic integration with other tools or services.
  • The 'Smart AI Compression' feature requires users to provide and manage their own API keys, incurring separate costs.
  • Lacks advanced function calling capabilities within the extension itself.
  • Multimodality is currently limited to text, without support for image or audio context transfer.

Similar Tools

Prompt Bridge vs Competitors

Prompt Bridge distinguishes itself in the AI tool landscape through its strong emphasis on local data storage and seamless context transfer across multiple AI platforms, contrasting with competitors that may offer broader prompt libraries or cloud-based storage.

1
CloudPrompt

Saves, organizes, and inserts AI prompts instantly across various AI tools, storing data in your personal Google Drive.

Unlike Prompt Bridge, CloudPrompt stores your data in your personal Google Drive, offering greater control and privacy over your prompt library. It focuses on seamless insertion across many AI tools.

2

Provides a vast library of community-created prompt templates directly within AI interfaces like ChatGPT and Claude.

While Prompt Bridge focuses on personal context portability, AIPRM excels in offering a large, community-curated library of prompts, which might mean less emphasis on saving and versioning your own iterative context.

3
AI Prompt Genius

An open-source browser extension that allows local-first storage of your prompts, ensuring privacy and control over your data.

AI Prompt Genius offers the significant advantage of being open-source and storing prompts locally, which provides maximum privacy and control compared to a freemium service like Prompt Bridge. The trade-off might be a less polished UI or fewer advanced features.

4
Gud Prompt

A prompt management system designed to streamline AI workflows by allowing users to discover, organize, and share AI prompts through customizable collections.

Gud Prompt emphasizes organized collections and sharing, which could be more team-oriented than Prompt Bridge's focus on individual context portability. It offers a structured way to manage prompts.

More on Stork

Related AI Tools

Other tools in this category, matched by shared tags