Prompt Builder
Free online prompt builder, no installation required. Build reusable prompt templates with variables
What is Prompt Builder?
Prompt Builder helps you create reusable prompt templates with variable placeholders. Use the {{variable_name}} syntax in your template, and the tool will auto-detect variables. Fill in values for each variable to generate the final prompt.
How to Use
1. Write your prompt template using {{variable_name}} placeholders. 2. Detected variables will appear below the template. 3. Click Add Variable to manually add variables. 4. Fill in values for each variable. 5. Copy the generated result prompt.
▶What placeholder syntax is supported?
Use double curly braces: {{variable_name}}. Variable names can only contain letters, numbers, and underscores.
▶Can I use the same variable multiple times?
Yes, all occurrences of the same variable will be replaced with the same value.
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