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Sidebar Copilot is a powerful feature that allows you to select text from any webpage and perform AI-powered actions on it through the context menu.

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How it works

1

Select text

Highlight any text on a webpage that you want to process.
2

Right-click

Right-click on the selected text to open the context menu.
3

Choose action

Find Page Assist in the context menu and select one of the available actions.
4

View results

The AI will process the text and display results in the sidebar.

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Built-in copilot prompts

Page Assist comes with 5 built-in copilot prompts:
  • Summarize - Get a concise summary of selected text
  • Rephrase - Rewrite text with alternative vocabulary
  • Translate - Translate text to English
  • Explain - Get a detailed explanation of the text
  • Custom - Use a custom prompt template
The built-in “Custom” prompt will be removed in a future version. Please use Custom Copilot Prompts (see below) for better flexibility.

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Managing built-in prompts

You can customize or disable built-in prompts:
1

Open settings

Go to Settings → Manage Prompts → Copilot tab.
2

Toggle visibility

Use the switch next to each prompt to enable or disable it in the context menu.
3

Edit prompts

Click the edit icon to customize the prompt template. The {text} placeholder will be replaced with selected text.
Changes are applied immediately without requiring a browser restart.

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Custom copilot prompts

Create unlimited custom copilot prompts tailored to your specific needs. These appear alongside built-in prompts in the context menu.

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Creating custom prompts

1

Navigate to settings

Go to Settings → Manage Prompts → Custom Copilot tab.
2

Add new prompt

Click the Add button.
3

Configure prompt

  • Title: The name that appears in the context menu (e.g., “Simplify Text”, “Find Grammar Errors”)
  • Prompt Template: Your prompt with {text} as a placeholder for selected text
4

Save

Click Save to add the prompt to your context menu.

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Example custom prompts

Title: Fix GrammarPrompt:
Review the following text for grammar, spelling, and punctuation errors. Provide the corrected version.

{text}
Title: Simplify TextPrompt:
Rewrite the following text to be understood by a 10-year-old. Use simple words and short sentences.

{text}
Title: Review CodePrompt:
Review the following code for:
- Potential bugs
- Performance issues
- Best practices
- Readability improvements

Code:
{text}
Title: Make ProfessionalPrompt:
Rewrite the following text in a professional, formal tone suitable for business communication.

{text}
Title: Extract FactsPrompt:
Extract all factual claims from the following text. List each claim and note if it needs verification.

{text}

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Prompt writing best practices

The quality of your results depends heavily on how well you write your prompts.

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1. Be specific and clear

❌ Bad: Make this better
✅ Good: Rewrite the following text to be more professional and formal:

{text}

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2. Provide context

❌ Bad: {text}
✅ Good: You are a technical writing expert. Review the following text and suggest improvements for clarity and conciseness:

{text}

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3. Specify the output format

❌ Bad: Check grammar: {text}
✅ Good: Review the following text for grammar and spelling errors.
List each error with:
- Original text
- Corrected text
- Explanation

Text:
{text}

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4. Always use the placeholder

The {text} placeholder is required and will be replaced with the selected text: 
Analyze the sentiment of the following text and classify it as Positive, Negative, or Neutral. Provide reasoning for your classification.

Text:
{text}

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5. Set constraints when needed

Summarize the following article in exactly 3 bullet points. Each bullet point should be no more than 20 words.

Article:
{text}

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Managing prompts

You can manage all your custom copilot prompts:
  • Edit: Click the edit icon to modify the title or prompt template
  • Delete: Click the delete icon to remove a prompt
  • Enable/Disable: Toggle the switch to show or hide a prompt in the context menu
Changes are applied immediately without requiring a browser restart.

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Use cases

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Academic research

  • Summarize research papers
  • Extract key findings
  • Explain complex concepts
  • Cite sources

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Content writing

  • Improve grammar and style
  • Adjust tone (formal, casual, technical)
  • Expand or condense text
  • Generate alternatives

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Programming

  • Review code for bugs
  • Explain algorithms
  • Suggest optimizations
  • Document code

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Language learning

  • Translate text
  • Explain idioms
  • Check grammar
  • Provide synonyms

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Business

  • Draft professional emails
  • Summarize meeting notes
  • Extract action items
  • Simplify jargon

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Next steps

Prompts

Learn about system and quick prompts

Sidebar

Explore other sidebar features

Chat with Webpage

Ask questions about page content

Configuration

Configure copilot settings

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