Development Tools

122 Free Tools
Developer, Converter, JSON

Boost your coding workflow with free developer tools. Minify CSS, format JSON, or generate color palettes instantly to build better web apps faster.

Tools in Development Tools

122 Tools

Avro Formatter

Format Apache Avro schemas for better readability and validation.

FormatterAvroJSON
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Base64 Encoder Decoder

Encode and decode text and files to/from Base64 format. Fast and secure.

Base64DecoderDeveloper
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Base64 to ZPL Converter

Convert Base64 images to ZPL code for Zebra label printers.

ConverterBase64ZPL
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Binary to IP Converter

Convert binary to IPv4 addresses and IP to binary.

ConverterBinaryIP
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Binary to Text Converter

Convert binary code to readable ASCII/UTF-8 text.

ConverterDeveloperText
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Bytes to ASCII Converter

Convert byte arrays to ASCII text and vice versa.

ConverterBytesASCII
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C Formatter and Beautifier

Format and beautify C/C++ code with customizable options.

DeveloperFormatterC
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C# Datetime Formatter

Generate C# DateTime format strings instantly. Test standard specifiers (d, g, O) and custom patterns online.

C#DateTimeFormatter
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Code to Image Converter

Transform code snippets into beautiful, shareable images. Perfect for social media and documentation.

DeveloperConverterImage
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Crontab Generator

Build cron expressions visually with presets and explanations.

GeneratorCronCrontab
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CSS Beautifier

Beautify and format CSS code for better readability and structure.

CSSDeveloperFormatter
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CSS Formatter

Format CSS code for better readability.

CSSDeveloperFormatter
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CSS Minifier

Minify CSS code to reduce file size.

CSSDeveloperMinifier
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CSS to SASS Converter

Convert plain CSS to SASS or SCSS format.

DeveloperCSSSASS
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CSS Validator

Validate CSS for syntax errors and style issues.

DeveloperCSSValidator
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CSV to Base64 Converter

Convert CSV files to Base64 encoded strings and decode back.

ConverterCSVBase64
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CSV to JSON Converter

Convert CSV files or text into valid JSON arrays. Smart parsing with header detection.

CSVConverterDeveloper
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Diff Checker

Compare two text files or blocks of code to see the differences (additions, deletions, and changes).

Developer
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Discord Timestamp Generator

Create Discord timestamps with timezone support. Generate relative time and date formats.

DeveloperGenerator
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Excel to JSON Converter

Convert Excel spreadsheets and CSV files to JSON format.

ConverterExcelCSV
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Fake Code Generator

Generate realistic looking fake code snippets.

DeveloperGenerator
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GraphQL Formatter

Format and beautify your GraphQL queries and schemas. Free online tool to clean up messy GraphQL code.

DeveloperFormatter
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Gzip Decompress Online

Decompress gzip-encoded data instantly online.

DeveloperDecoderCompression
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Hacker Typer

Fake terminal where smashing the keyboard reveals realistic-looking code for demos and fun.

Developer
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Hex to String Converter

Convert hexadecimal values to ASCII/Unicode strings and vice versa. Perfect for developers and data analysis.

ColorConverterDeveloper
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Hexadecimal Code Generator

Generate random hexadecimal codes for colors, IDs, tokens, and custom lengths with secure randomness.

DeveloperGeneratorHex
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HTML Button Generator

Generate custom HTML buttons with CSS styling.

DeveloperHTMLGenerator
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HTML Decode String

Decode HTML entities online.

HTMLDecodeString
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HTML Formatter

This free HTML formatter lets you beautify HTML files. Paste the content of your HTML file and the tool automatically formats it.

DeveloperFormatterHTML
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HTML Marquee Generator

Generate nostalgic scrolling text with customizable speed and colors.

GeneratorHTMLMarquee
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HTML Minifier

Compress HTML code for production use.

DeveloperHTMLMinifier
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HTML Pretty Print

Format specific HTML snippets to be more readable.

DeveloperHTML
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HTML Table Maker

Create clean HTML tables with a visual spreadsheet editor. Customize rows, columns, and headers.

DeveloperGeneratorHTML
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HTML to Markdown Converter

Convert HTML markup to Markdown format.

DeveloperHTMLMarkdown
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HTML to XML Converter

Convert HTML code to strict XML format. Close tags and wrap structure for XML compatibility.

ConverterHTMLXML
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HTML Validator

Validate HTML syntax and structure. Check for errors and warnings in your HTML code.

DeveloperHTMLValidator
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HTML Viewer and Editor

Write HTML code and see real-time preview instantly. Great for testing snippets.

DeveloperEditorHTML
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Hyperlink Generator

Generate HTML anchor tags with SEO attributes.

DeveloperHTMLGenerator
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Image to Base64 Converter

Convert images to Base64 data URLs for HTML/CSS embedding.

ConverterImageBase64
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IP Hex Converter

Convert IPv4 addresses to hexadecimal and back.

ConverterIPHex
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IP to Binary Converter

Convert IPv4 and IPv6 addresses to binary, hex, and decimal formats.

DeveloperConverterNetwork
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Java Formatter and Beautifier

Format and beautify Java code with proper indentation.

DeveloperJavaFormatter
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JavaScript Beautifier

Beautify, format, and unminify your JavaScript code. Free online tool to improve JS readability and structure.

DeveloperFormatterJavaScript
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JavaScript Obfuscator

Obfuscate JavaScript code to protect it from copying.

DeveloperJavaScriptSecurity
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JS Formatter

Beautify JavaScript code.

DeveloperFormatterJavaScript
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JS Minifier

Minify JavaScript code for production.

DeveloperJavaScriptMinifier
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JSON Compare

Compare two JSON objects side-by-side and spot differences instantly. Free online JSON diff viewer for developers.

DeveloperJSONViewer
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JSON Decode

Decode escaped JSON strings, unescape characters, and format the result.

DeveloperDecoderJSON
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JSON Deserialize Online

Deserialize escaped JSON strings back into objects.

DeveloperJSONParser
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JSON Encoder

Encode JSON strings and escape special characters for embedding in code or URLs.

DeveloperEncoderJSON
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JSON Formatter

Beautify and validate JSON data.

DeveloperFormatterJSON
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JSON Minifier

Minify and format JSON data. Remove whitespace, validate syntax, and reduce file size.

DeveloperJSONMinifier
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JSON Parser

Parse, validate, and debug your JSON data.

DeveloperJSON
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JSON Pretty Print

Format your JSON data instantly. Make minified JSON readable with proper indentation.

DeveloperJSON
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JSON Stringify Online

Convert JSON structure into a stringified format. Escape quotes and special characters for code embedding or API usage.

ConverterDeveloperJSON
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JSON to Base64 Converter

Encode JSON to Base64 and decode Base64 back to JSON.

DeveloperConverterJSON
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JSON to C# Converter

Generate C# POCO classes from JSON objects.

JSONC#Converter
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JSON to HTML Table

Convert JSON arrays to formatted HTML tables with styling.

ConverterJSONHTML
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JSON to JSON Schema

Generate JSON Schema Draft 7 from your JSON data automatically.

DeveloperJSON
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JSON to JSONL Converter

Convert JSON arrays to JSON Lines format for streaming data.

ConverterJSONJSONL
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JSON to One Line

Compress JSON to a single line. Remove whitespace to reduce size.

DeveloperJSONMinifier
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JSON to PHP Converter

Convert JSON data to PHP array syntax for backend development.

ConverterJSONPHP
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JSON to TypeScript Converter

Convert JSON objects to TypeScript interfaces or type definitions.

DeveloperConverterJSON
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JSON to XML Converter

Transform JSON data into XML format.

JSONXMLConverter
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JSON to YAML Converter

Convert JSON objects to YAML format.

JSONYAMLConverter
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JSON Unescape

Convert escaped JSON strings back to their original object format. Remove backslashes and fix stringified JSON data.

ConverterDeveloperJSON
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JSON Validator

Validate and debug JSON data.

DeveloperJSONValidator
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JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, and verify expiration.

DeveloperDecoderSecurity
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LaTeX Formatter

Auto-indent LaTeX source code. Clean up environments, equations, and tables for Overleaf or local editing.

DeveloperFormatterLaTeX
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LaTeX Table Generator

Generate complex LaTeX tables easily online. Design your grid and export clean LaTeX code.

DeveloperGeneratorLaTeX
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LESS to CSS Converter

Convert LESS preprocessor code to plain CSS.

DeveloperCSSLESS
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Lua Beautifier

Format and beautify Lua code with proper indentation for game scripts.

FormatterLuaCode
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Markdown Formatter

Format and clean up Markdown files with proper spacing and structure.

DeveloperFormatterMarkdown
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Markdown Live Preview

Write Markdown and see rendered HTML preview in real-time.

DeveloperMarkdownPreview
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Markdown Table Generator

Create markdown tables visually for GitHub README and documentation.

GeneratorMarkdownTable
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Markdown to HTML Converter

Convert Markdown syntax to HTML markup.

DeveloperMarkdownHTML
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MDX Formatter

Format MDX files with markdown and JSX component support.

FormatterMDXMarkdown
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Online Code Formatter

Universal code beautifier for Python, Java, Swift, JavaScript, C#, HTML, and CSS. Clean up messy code instantly.

DeveloperFormatterCode
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Online JSON Editor

Edit and view JSON data online with a powerful visual editor.

DeveloperEditorJSON
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Online JSON Serializer

Serialize JavaScript objects to valid JSON strings.

ConverterJSONJavaScript
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Online Syntax Highlighter

Highlight your code with syntax coloring for various languages. Generate HTML with inline styles or classes.

ColorDeveloperHTML
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Online XML Viewer

View and inspect XML data in a clean, readable tree format.

DeveloperViewerXML
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Phone Number to IP Address Converter

Educational tool demonstrating hash-based phone to IP conversion.

DeveloperConverterNetwork
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PHP Beautifier

Beautify and format PHP code with proper indentation.

DeveloperPHPFormatter
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Pug to HTML Converter

Convert Pug/Jade templates to clean HTML code instantly.

ConverterPugJade
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Python Beautifier

Beautify messy Python code with proper indentation.

DeveloperPythonFormatter
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Python Formatter

Format and beautify Python code following PEP 8 standards.

DeveloperFormatterPython
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Random Hex Generator

Generate random hexadecimal values for colors and IDs.

DeveloperGeneratorRandom
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React Formatter

Format and beautify React (JSX/TSX) code instantly.

DeveloperFormatterReact
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Regex Tester

Test and debug regular expressions with real-time match highlighting.

DeveloperTesterRegex
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REM to PX Converter

Convert CSS REM units to Pixels (PX) and vice-versa instantly.

ConverterCSSDeveloper
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RGB to Pantone

Convert any RGB color to the closest Pantone match with visual preview and match percentages.

ColorConverterDeveloper
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RSS Viewer

Parse and display RSS/Atom feeds in a readable format.

DeveloperRSSViewer
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Ruby Formatter

Format and beautify Ruby code with proper indentation. Follow Ruby community style conventions.

DeveloperFormatterRuby
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SCSS to CSS

Compile SCSS or SASS code into standard CSS instantly. Free online preprocessor compiler for web developers.

CSSDeveloper
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SOAP Formatter

Format and beautify SOAP XML messages.

DeveloperSOAPXML
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Source Code Viewer

View and analyze source code with syntax highlighting. Supports HTML, CSS, JavaScript, and more.

DeveloperViewerCode
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SQL Formatter

Format SQL queries for readability.

DeveloperFormatterSQL
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SQL Minifier

Compress SQL queries by removing whitespace and comments.

DeveloperMinifierSQL
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String to JSON Converter

Convert JavaScript object strings, query parameters, or raw text into valid JSON format. Free online data converter.

ConverterDeveloperJSON
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SVG to Base64 Converter

Convert SVG files to Base64 encoded strings. Generate data URIs and CSS backgrounds.

ConverterBase64Image
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SVG Viewer

View, validate, and export SVG graphics online with live preview.

DeveloperSVGGraphics
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Text to Binary Converter

Convert text to binary code with customizable formatting.

ConverterDeveloperText
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Unix Timestamp Generator

Convert Unix timestamps to dates and vice versa. Get current timestamp instantly.

DeveloperConverterTime
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URL Decoder

Decode URL-encoded strings and encode text for safe URL transmission.

DeveloperDecoderURL
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URL Parser

Parse URLs into their components.

Developer
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WSDL Formatter

Format and beautify WSDL (Web Services Description Language) files.

DeveloperFormatter
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XML Diff

Compare two XML documents and highlight differences instantly.

DeveloperXMLDiff
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XML Editor and Viewer

Edit and view XML files with syntax highlighting and tree view.

DeveloperEditorViewer
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XML Escape

Escape and unescape XML special characters (&, <, >, ", ').

DeveloperXML
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XML Formatter

Format and beautify XML code.

DeveloperFormatterXML
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XML Pretty Printer

Beautify and format XML code with clean indentation and structure.

DeveloperFormatterXML
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XML to JSON Converter

Convert XML data to JSON format instantly. Simple, fast, and free online converter.

ConverterDeveloperJSON
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XML to XML String

Convert XML to single-line escaped strings for embedding in code.

ConverterXMLString
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XML Unescape

Convert XML entities back to original characters.

DeveloperXMLDecoder
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XML URL Decode

Decode URL-encoded XML strings with combined encoding handling.

DeveloperXMLURL
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XML Validator

Validate your XML syntax and structure against standard rules.

DeveloperValidatorXML
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XPath Test Tool

Test and validate XPath expressions against XML or HTML documents. Debug queries instantly.

DeveloperXMLTesting
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YAML Formatter

Format and beautify YAML files with proper indentation and structure.

DeveloperFormatterYAML
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YAML to JSON Converter

Convert YAML configuration files to JSON format instantly.

ConverterDeveloperJSON
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YAML Validator

Validate YAML syntax and format YAML files with proper indentation.

DeveloperValidatorYAML
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ZLib Decompress Online

Decompress zlib-encoded data instantly online.

DeveloperDecoderCompression
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Frequently Asked Questions

Yes! All our developer tools are completely free for personal, educational, and commercial use.

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