1. What is El Luchador and how it works

An AI assistant integrated into Chrome that helps you understand any webpage

What does it do?

El Luchador reads the content of webpages you visit and offers 4 main functions: Summarize, Explain, Analyze, and Translate. You can also import custom GPTs for specific functions.

How it works

1. Browse to any webpage
2. Open El Luchador
3. Choose a function (Summarize, Explain, etc.)
4. El Luchador processes the content using your OpenAI API
5. Receive the response instantly

Important: El Luchador only accesses content when you request it. Uses basic Chrome permissions to read webpages.

2. Requirements to use El Luchador

• Browser: Google Chrome 114 or higher
• System: Windows, Mac, Linux, or ChromeOS
• Internet: Stable connection
• API Key: OpenAI account with valid API key

3. Install the extension

1. Go to Chrome Web Store and search for “El Luchador Sidebar AI”
2. Click “Add to Chrome”
3. Pin the extension by clicking the puzzle icon
4. Press El Luchador icon to open it

4. Set up your API key

Get OpenAI API Key

1. Go to platform.openai.com/api-keys
2. Sign in or create an account
3. Create a new API key
4. Copy the key (starts with “sk-“)

Configure in El Luchador

1. Open El Luchador → Settings (gear icon)
2. Paste your API key in the corresponding field
3. Select a model (we recommend GPT-4o)
4. Save changes
5. Test with “Summarize” on any page

5. First functions: The 4 basic powers

• Summarize: Extract the most important points from long articles
• Explain: Convert complex content into simple language
• Analyze: Offer deep insights about the content
• Translate: Translate content to your preferred language

6. Summarize articles and long content

Perfect for news, blogs, academic documents, and technical articles.

How to use

1. Open any article or page with text
2. Click “Summarize” in El Luchador
3. Receive a summary with key points

7. Explain technical or complex content

Ideal for technical documentation, legal terms, academic concepts.

How to use

1. Navigate to content that seems difficult
2. Click “Explain” in El Luchador
3. Get an explanation in simple terms

8. Analyze charts and visual content

Useful for financial charts, data, infographics.

How to use

1. Open a page with charts or data
2. Enable “Vision Analysis” in settings if you need visual analysis
3. Click “Analyze” in El Luchador

Note: For financial content, always includes the disclaimer “This information does not constitute financial advice”

9. Privacy control

• El Luchador only accesses the current tab when you activate it
• No automatic background processing
• You can pause or close El Luchador anytime
• Each response indicates what content was processed

10. Import GPTs from ChatGPT

Leverage specialized GPTs from the ChatGPT store.

Steps

1. Visit chatgpt.com/gpts
2. Find a GPT that interests you
3. Copy the GPT page link
4. In El Luchador: Power Up → “+” button → paste the link
5. Save and use it on any webpage

Auto-capture: If you’re viewing a GPT in ChatGPT, you can use the “+” button in El Luchador to capture it automatically.

11. Recommended GPTs

For education: Tutorium GPT

Turn any educational page into interactive lessons with practical exercises.

For financial analysis

Use GPTs specialized in trading and cryptocurrencies for deeper chart analysis.

Find more: Explore the GPT store

12. Create your own Power Ups

Create custom instructions for specific analysis.

Example: “Website Review”

Power Up → Pencil → Add manual

• Name: “Website Review”
• Instructions: “Analyze this webpage and suggest 3 design improvements, 2 UX issues you found, and 2 things that work well”
• Icon: Any emoji or icon

13. Manage Power Ups

• Edit: Click the pencil next to the Power Up
• Delete: Click the red X
• History: View previous responses

Free limit: 3 custom Power Ups

14. Your privacy is protected

Key principles

• Local only: All your settings are saved in your browser
• Your own API: You use your OpenAI account directly
• No our servers: We don’t send your data to our servers
• On-demand only: We process content only when you request it

What data gets processed

• Visible text from the current page (when you activate a function)
• Your custom question or instruction
• Page images (only if you enable Vision Analysis)

15. Chrome permissions

• Read content from current tab (only when you activate El Luchador)
• Display Chrome’s sidebar
• Save your settings locally
• Extract text from webpages
• Capture images for Vision Analysis (optional)

When they’re used: Only when you manually activate an El Luchador function

16. Settings backup

You can export all your settings and Power Ups as a backup file.

Export

Settings → “Export” → download JSON file

Import

Settings → “Import” → select JSON file

Includes: Settings, Power Ups, preferences
Doesn’t include: API keys (for security)

17. Most common errors

Error 401 – Invalid API Key

• Verify the API key is correct
• Make sure there are no extra spaces
• Check the key hasn’t expired

Error 429 – Rate limit exceeded

• You’ve used too many queries too quickly
• Wait a few minutes before trying again
• Check your OpenAI plan

Error 404 – Model not found

• The selected model isn’t available in your account
• Switch to GPT-3.5 Turbo or GPT-4o

18. El Luchador doesn’t respond

Quick fix

1. Close El Luchador
2. Reload the page (F5)
3. Open El Luchador again
4. Try again

Check

• API key configured correctly
• Model available in your account
• Stable internet connection
• Page with text content

19. Optimize token usage

To reduce costs on your OpenAI account:

• Use GPT-3.5 Turbo for simple tasks (cheaper)
• Disable Deep Scraping if you don’t need analysis of very long pages
• Use Vision Analysis only when you need to analyze images or charts

Approximate usage

• Summarize normal page: ~500-1,000 tokens
• Deep analysis: ~1,500-3,000 tokens
• Vision Analysis: ~2,000-4,000 tokens

20. How much does El Luchador cost?

El Luchador is completely free. You only pay for your OpenAI API usage based on the queries you make.

Compatible models

• GPT-4o (recommended)
• GPT-4o Mini
• GPT-4 Turbo
• GPT-3.5 Turbo

21. What information does El Luchador process?

YES processes (only when you request it)

• Visible text from the current page
• Your custom question
• Page images (if you enable Vision Analysis)

NEVER processes

• Content from other tabs
• Your browsing history
• Passwords or personal data
• Information automatically

22. Can I use any ChatGPT GPT?

Yes, you can import any public GPT from the ChatGPT store.

El Luchador takes the GPT’s instructions and applies them to the content of the webpage you’re visiting.

Popular examples: GPTs for education, code analysis, text review, financial analysis.

23. How to pause El Luchador on specific sites?

Coming soon: This feature will arrive in version 1.1

Current alternatives

• Close El Luchador
• Temporarily disable the extension at chrome://extensions/

24. Current version and upcoming features

Version 1.0.0 (current)

• 4 main functions
• Power Ups system
• Vision Analysis
• Spanish and English support

Coming soon (v1.1)

• Claude AI support
• Pause by specific website
• Automatic GPT suggestions
• Improved history

25. How to get help

Support channels

• Web: elluchador.ai
• Email: support@elluchador.ai

Before contacting

1. Review this help center
2. Check your API settings
3. Try the quick fix (close/open)
4. Note the specific error message

Response time: 24-48 hours on business days

26. Policies and privacy

• Privacy Policy: elluchador.ai/privacy-policy/

Compliance

• GDPR (Europe)
• CCPA (California)
• Chrome Web Store Policies
• OpenAI Usage Policies