Copilot โ
Sidebar Copilot is a feature that allows you to select text from any webpage and perform AI-powered actions on it.
Built-in Copilot Prompts โ
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
Deprecation Notice
The built-in "Custom" prompt will be removed in a future version. Please migrate to Custom Copilot Prompts (see below) for better flexibility and multiple custom prompts.
Disabling Built-in Prompts โ
You can now disable any built-in copilot prompt to reduce context menu clutter:
- Go to
SettingsโManage PromptsโCopilottab - Toggle the switch next to any prompt to enable/disable it
- Disabled prompts will not appear in the context menu

Custom Copilot Prompts โ
New Feature
You can now create unlimited custom copilot prompts! This is the recommended way to create your own prompts instead of using the built-in "Custom" prompt.
Custom Copilot Prompts allow you to create your own AI-powered actions that appear in the context menu when you select text.
Creating Custom Copilot Prompts โ
Go to
SettingsโManage PromptsโCustom CopilottabClick the
AddbuttonFill in the form:
- Title: The name that will appear in the context menu (e.g., "Simplify Text", "Find Grammar Errors")
- Prompt Template: Your prompt with
{text}as a placeholder for selected text
Click
Save
How to Use Custom Copilot Prompts โ
- Select text on any webpage
- Right-click on the selected text
- Find your custom prompt in the
Page Assistcontext menu - Click it to process the selected text
Writing Good Prompts โ
Prompt Writing Best Practices
The quality of your results depends heavily on how well you write your prompts. Follow these guidelines:
1. Be Specific and Clear โ
โ Bad: Make this better
โ
Good: Rewrite the following text to be more professional and formal:
{text}2. Provide Context โ
โ Bad: {text}
โ
Good: You are a technical writing expert. Review the following text and suggest improvements for clarity and conciseness:
{text}3. Specify the Output Format โ
โ Bad: Check grammar: {text}
โ
Good: Review the following text for grammar and spelling errors.
List each error with:
- Original text
- Corrected text
- Explanation
Text:
{text}4. Use the {text} Placeholder โ
Always include {text} in your prompt. This will be replaced with the selected text.
Example: Analyze the sentiment of the following text and classify it as Positive, Negative, or Neutral. Provide reasoning for your classification.
Text:
{text}5. Set Constraints When Needed โ
Summarize the following article in exactly 3 bullet points. Each bullet point should be no more than 20 words.
Article:
{text}Example Custom Copilot Prompts โ
Here are some useful custom prompts you can create:
Grammar and Style โ
Title: Fix Grammar
Prompt: Review the following text for grammar, spelling, and punctuation errors. Provide the corrected version.
{text}Simplification โ
Title: Simplify Text
Prompt: Rewrite the following text to be understood by a 10-year-old. Use simple words and short sentences.
{text}Code Review โ
Title: Review Code
Prompt: Review the following code for:
- Potential bugs
- Performance issues
- Best practices
- Readability improvements
Code:
{text}Tone Adjustment โ
Title: Make Professional
Prompt: Rewrite the following text in a professional, formal tone suitable for business communication.
{text}Fact Checking โ
Title: Extract Facts
Prompt: Extract all factual claims from the following text. List each claim and note if it needs verification.
{text}Managing Custom Copilot Prompts โ
- Edit: Click the edit icon to modify the title or prompt
- Delete: Click the delete icon to remove a prompt
- Enable/Disable: Toggle the switch to show/hide a prompt in the context menu
Changes are applied immediately without requiring a browser restart!
How to Update Built-in Prompts โ
You can customize the default built-in prompts:
- Go to
SettingsโManage PromptsโCopilottab - Click the edit icon next to the prompt you want to change
- Modify the prompt template (must include
{text}placeholder) - Click
Save
WARNING
Editing built-in prompts changes them for all future uses. Consider creating a Custom Copilot Prompt instead if you want to keep the original.