AI Prompt Formatter

Format raw prompts into system, user, and assistant message blocks. Clean formatting for API structures.

AI & Prompts Suite

AI Prompt Formatter Prompt Optimizer Task Prompt Generator AI Text Cleaner AI Markdown Formatter AI JSON Extractor AI Output Comparator AI Token Estimator AI Prompt Library Chat Export Formatter

Workspace Inputs

System Instructions (Context)

User Message (Task)

Output Format

Result / Output

Formatted Prompt Block

What is AI Prompt Formatter?

Prompt formatting organizes inputs into distinct roles (system, user, assistant) to help LLMs understand context limits and instruction directives.

Format message blocks into structured system/user logs. Copy formatted prompt strings instantly.

How to use the AI Prompt Formatter

1Choose your target role (System, User, Assistant).
2Type or paste your prompt text.
3Format text into standard formats like ChatML (<|im_start|>) or JSON arrays.
4Copy the structured output to clipboard.

Benefits & Key Features

Prepares prompts for API integrations.
Cleans spacing and carriage returns.
Supports standard ChatML and JSON outputs.

Frequently Asked Questions

What is ChatML?

ChatML (Chat Markup Language) is a token formatting standard developed by OpenAI to prevent prompt injection by explicitly demarcating user inputs from system instructions.

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