Free Code Formatters & Parsers 2025

Format, parse, and analyze code with our comprehensive developer toolkit. Essential tools for web developers, data analysts, and DevOps professionals.

No RegistrationInstant ResultsMCP CompatibleDeveloper Tools

🔥 Most Popular Formatter Tools

📄

XML Formatter

Format and validate XML with syntax highlighting and error detection

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🗄️

SQL Formatter

Format SQL queries with proper indentation and syntax highlighting

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🎨

CSS Minifier

Minify CSS code to reduce file size and improve load times

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📝

Markdown to HTML

Convert Markdown text to clean HTML with formatting preservation

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🔑

JWT Token Decoder

Decode and analyze JWT tokens with header and payload inspection

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🔍

Regex Tester

Test regular expressions with pattern matching and group capture

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All Formatter & Parser Tools

📄

XML Formatter

Format and validate XML with syntax highlighting and error detection

Use Tool→
🗄️

SQL Formatter

Format SQL queries with proper indentation and syntax highlighting

Use Tool→
🎨

CSS Minifier

Minify CSS code to reduce file size and improve load times

Use Tool→
📝

Markdown to HTML

Convert Markdown text to clean HTML with formatting preservation

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⚙️

YAML to JSON

Convert YAML configuration files to JSON format

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🔑

JWT Token Decoder

Decode and analyze JWT tokens with header and payload inspection

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⏰

Cron Expression Parser

Parse and validate cron expressions with next run predictions

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🌐

URL Parameter Extractor

Extract and analyze URL parameters and query strings

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🔍

Regex Tester

Test regular expressions with pattern matching and group capture

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🔗

URL Parser

Parse URLs into components with detailed analysis

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📋 Format Types & Uses

Code Formatters:

  • • XML: Structure data and configuration files
  • • SQL: Database queries and schema definitions
  • • CSS: Stylesheet optimization and minification
  • • Markdown: Documentation and content creation

Data Parsers:

  • • JWT: Authentication token analysis
  • • Cron: Schedule expressions and timing
  • • URL: Web address component extraction
  • • Regex: Pattern matching and text processing

💡 Development Best Practices

• Use consistent formatting standards across your development team
• Minify CSS and JavaScript for production to improve performance
• Test regex patterns thoroughly before production implementation
• Validate data formats before API integration and deployment

Frequently Asked Questions

Which formatters support syntax highlighting?

Our XML, SQL, and CSS formatters include syntax highlighting to make code more readable and easier to debug.

Can I format large code files?

Yes, our tools efficiently handle large files. Processing time may vary based on file size and complexity.

Do you support custom formatting rules?

Our tools use standard formatting conventions. For custom rules, consider integrating with our MCP tools in your development environment.

Is my code stored or transmitted?

No, all formatting and parsing happens locally in your browser. We don't store, access, or transmit any of your code.

What regex flavors are supported?

Our regex tester supports JavaScript regex flavor with common modifiers and features used in web development.

Can I validate JWT token signatures?

Our JWT decoder shows token structure and claims. For signature validation, you'll need the secret key and proper cryptographic tools.