Data month 2026-09

PromptLens

General AI

Prompt Engineering

Turn web or local images into structured JSON prompts for AI image generators. Powered by OpenRouter.

Add to Chrome ↗

According to AlphaMoat, as of 2026-09, the Chrome extension PromptLens has 41 users (+7.9% MoM) — ranked #5,840 of 9,324 AI browser extensions, and #1,470 of 2,418 in General AI.

Users · 2026-09

41+7.9%

Rating

Overall Rank (9,324)

#5,840

General AI Rank

#1,470/ 2,418

What is PromptLens

From the Chrome Web Store

Turn web or local images into structured JSON prompts for AI image generators. Powered by OpenRouter. PromptLens — Convert any image into a structured AI prompt.

PromptLens is a lightweight utility designed for digital artists, creators, and AI enthusiasts who need to translate visual content into machine-readable data.

Integrated directly into your browser, PromptLens can analyze images in two ways:

Right-click any image on any website
Click the extension icon to upload, drag-and-drop, or paste your own local images, including screenshots, personal reference images, and photos transferred from your phone

It generates a clean JSON prompt ready for AI image generators and LLMs.

Main Features:

Show the rest of the store description▾

⚡ Instant Access — Right-click any image on any website, no extra steps.

🖼️ Local Image Upload — Upload your own images directly from your computer, or drag-and-drop / paste them into the extension popup.

📋 Structured Output — Clean JSON with style, subject, setting, lighting, mood, colors, tags, and negative prompt.

🔌 OpenRouter Powered — Access vision AI models through your own OpenRouter API key, usually at a very low cost per image.

🤖 Smart Model Routing — OpenRouter can automatically select an available vision model for each request. No manual model configuration needed.

🔒 Privacy-First — Your API key stays in your browser. No middleman servers, ever. Images are sent directly to OpenRouter only when you explicitly analyze them.

How to Use:

1. Install PromptLens and enter your OpenRouter API key in the options page. 2. Right-click any image on any website and select "PromptLens — Generate JSON Prompt". 3. Or click the extension icon to upload, drag-and-drop, or paste your own image. 4. The JSON is copied to your clipboard — paste it anywhere.

Note: The AI model used may vary per request based on OpenRouter's automatic routing. Results may differ slightly between analyses of the same image.

Requirements: A free or paid OpenRouter account and API key (openrouter.ai).