LLM Response Formatter

Handling Raw LLM Outputs

Language models often wrap structured JSON or code snippets inside markdown code blocks (````json ... ````) accompanied by conversational filler text or escaped string characters. This utility automatically cleans, parses, and formats responses for downstream programmatic consumption.

What is LLM Response Formatter?

Clean, parse, and transform raw LLM output text. Strip markdown code fences, repair broken JSON syntax, unescape string tokens, and preview structured responses instantly.

LLM Response Formatter features

Available tool controls: Cleaned Code / JSON, Visual Preview, Export File.
Input and option fields: Raw LLM Output Text:, Formatting & Transformation Options:, Strip Markdown Code Fences.

Using LLM Response Formatter in a development workflow

Use a formatter when readability or consistent style is the main goal. Start with a representative source sample, select the intended output style, and compare key values before replacing the original. A formatter should change presentation, but malformed input or unsupported syntax can still produce errors or unexpected output.

Work through one representative case

Run a small example first and compare the output with an expected value before trying a larger case.
Pay attention to these page fields: Raw LLM Output Text:, Formatting & Transformation Options:, Strip Markdown Code Fences. Confirm which fields are inputs, options, or output areas before processing.
The page exposes these relevant actions: Cleaned Code / JSON, Visual Preview, Export File. Choose only the action that matches the result you need.
Confirm the result in the application or environment that will use it. The page only evaluates the information supplied here.

Check the result in its intended context

Provider APIs and tokenizers can differ. Treat formatted requests and token estimates as aids, then compare them with the provider documentation and response.

Frequently Asked Questions (FAQ)

The utility detects standard markdown code block delimiters (e.g., ```json, ```html, or ```) at the start and end of the text block and strips them out to leave only the raw inner payload.

When "Auto-Repair & Pretty Print JSON" is enabled, the formatter attempts to parse objects/arrays and standardizes indentation; if syntax errors persist, it highlights the parsing state accordingly.