Prompt+ Features
Everything you need to craft high-precision AI prompts, save token costs, and carry context across models.
On-Device Gemini Nano AI
Enhance prompts entirely on your device inside Chrome 138+ — nothing leaves your browser.
Cross-Chatbot Context Bucket
Scrape and carry active chat history from ChatGPT to Claude, Gemini, or DeepSeek in 1 click.
100-Point Precision Quality Scoring
Evaluate prompt clarity, role assignment, target audience, and non-negotiable constraints.
Side-by-Side Model Lab
Compare responses across OpenAI, Claude 3.5, and Gemini simultaneously with version control.
Chrome Extension Floating Bar
Enhance prompts directly inside ChatGPT, Claude, Gemini, Grok, and DeepSeek without tab switching.
Privacy First & BYO-Key Support
Use the built-in deterministic engine, or bring your own API keys encrypted with AES-256-GCM at rest.
Curated Template Library
Access battle-tested templates for Code Review, Marketing, Copywriting, and Data Analysis.
Token Saver Mode
Rewrite prompts to drop redundant tokens while keeping structure, intent, and constraints intact.