GraphQL Formatter

Free online GraphQL formatter and beautifier. Paste your queries, mutations or schema and instantly format, indent and beautify them with consistent structure — no signup, no installation.

About this tool

This online GraphQL formatter and beautifier parses and reformats your queries, mutations, subscriptions, and schema definitions with consistent indentation and uniform structure. Any messy or minified GraphQL is transformed into readable, well-structured code in one click. It fixes indentation, aligns fields and arguments correctly, and normalizes spacing across the document, making the code easier to review, debug, or share with your team — a free GraphQL query beautifier that runs entirely in your browser.

Use Cases

  • API DevelopmentFormat queries and mutations before committing them to your codebase or sharing with teammates.
  • Schema ReviewReadable indentation makes it much easier to review type definitions, fields, and relationships in SDL files.
  • Debugging QueriesWell-formatted GraphQL is easier to read line by line and helps isolate missing fields or incorrect arguments.

How It Works

1

Paste Your GraphQL

Copy and paste your raw or unformatted query, mutation, subscription, or schema into the editor.

2

Click Format

Press the Format GraphQL button and the tool will reformat the code instantly.

3

Copy the Result

Copy the formatted output or start over with new code.

Questions & Answers

Is my GraphQL code sent to any server?

No. All formatting is done entirely in your browser. Your code never leaves your device.

Does the formatter support SDL and executable documents?

Yes. The formatter supports both Schema Definition Language (SDL) files and executable documents including queries, mutations, subscriptions, and fragments.

What happens if my GraphQL has syntax errors?

If the code cannot be parsed, the tool will display an error message so you can identify and fix the issue before formatting.

See also