Free developer tools. Format JSON, minify code, encode URLs, generate UUIDs, and more.
Validate and format JSON data instantly. Check for syntax errors, get detailed error messages, and beautify your JSON with proper indentation for debugging.
Use this toolMinify HTML code by removing whitespace, comments, and unnecessary characters. Reduce file size for faster page loading and improved website performance.
Use this toolMinify CSS code by removing whitespace, comments, and optimizing selectors. Reduce CSS file size for faster stylesheet loading and improved page performance.
Use this toolMinify JavaScript code by removing whitespace, comments, and shortening variable names. Reduce JS file size for faster script loading and improved website performance.
Use this toolEncode text for safe use in URLs. Convert special characters, spaces, and reserved characters to percent-encoded format for proper URL parameter handling.
Use this toolDecode percent-encoded URLs back to readable text. Convert encoded characters like %20, %3F, and %26 back to their original form for easy reading and debugging.
Use this toolGenerate universally unique identifiers (UUIDs) instantly. Create RFC 4122 compliant UUIDs for database keys, session IDs, and distributed systems.
Use this toolFormat and beautify XML code with proper indentation. Transform messy, unformatted XML into clean, readable code with consistent spacing and line breaks.
Use this toolValidate XML syntax and structure. Check for well-formedness errors, mismatched tags, unclosed elements, and invalid characters in your XML documents.
Use this toolFormat and beautify YAML code with proper indentation. Transform messy YAML into clean, readable configuration files with consistent spacing and structure.
Use this toolFormat and align CSV data for better readability. Transform messy CSV into neatly aligned columns with consistent spacing and proper quoting.
Use this toolFormat SQL queries with proper indentation and line breaks. Transform compressed SQL into readable, well-structured queries with keyword highlighting and alignment.
Use this toolMinify JSON by removing whitespace, line breaks, and unnecessary characters. Reduce JSON file size for faster data transfer and API responses.
Use this toolConvert JSON data to XML format instantly. Transform JSON objects and arrays into well-structured XML documents with proper element nesting and attributes.
Use this toolConvert XML data to JSON format instantly. Transform XML documents into clean, modern JSON objects with proper nesting and data types.
Use this toolConvert YAML to JSON format instantly. Transform YAML configuration files into JSON objects for use in web applications, APIs, and modern development workflows.
Use this toolDecode Base64 encoded text back to readable format. Convert Base64 strings to plain text, useful for decoding JWT payloads, email attachments, and data URIs.
Use this toolDecode and inspect JWT (JSON Web Token) tokens. View the header, payload, and signature components of JWTs for debugging authentication and API authorization.
Use this toolGenerate SHA-256 hash from any text input. Create secure 256-bit cryptographic hashes for data integrity verification, password hashing, and digital signatures.
Use this toolGenerate SHA-512 hash from any text input. Create secure 512-bit cryptographic hashes for high-security data integrity verification and digital signatures.
Use this toolGenerate MD5 hash from any text input. Create 128-bit hash values for checksums, file verification, and non-security-critical fingerprinting.
Use this toolGenerate random API keys, secret keys, and access tokens. Create cryptographically secure random strings for authentication, encryption keys, and API access control.
Use this toolGenerate secure random passwords with customizable length, character sets, and complexity. Create strong passwords that meet security requirements and resist brute-force attacks.
Use this toolGenerate bcrypt password hashes for secure password storage. Create salted bcrypt hashes with adjustable work factors for authentication systems and user databases.
Use this toolEncode and decode HTML entities. Convert special characters like <, >, &, " to their HTML entity equivalents for safe embedding in HTML documents.
Use this toolGenerate CSS Flexbox layouts visually. Configure direction, justify, align, wrap, and gap properties with live preview and copy-ready CSS code.
Use this toolGenerate CSS Grid layouts visually. Configure columns, rows, gap, and column sizes with live preview and copy-ready CSS code for responsive grid designs.
Use this toolGenerate CSS border-radius values visually. Configure individual corner radii to create rounded corners, pill shapes, and organic blob shapes with copy-ready CSS.
Use this toolGenerate CSS box-shadow values visually. Configure offset, blur, spread, color, and opacity for perfect drop shadows with live preview and copy-ready CSS.
Use this toolGenerate CSS gradient backgrounds visually. Create linear and radial gradients with customizable colors, direction, and type with live preview and copy-ready CSS.
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Use this toolGenerate CSS animation keyframes visually. Create fadeIn, slideUp, bounce, rotate, and pulse animations with customizable duration, delay, and iteration count.
Use this toolConvert between units of measurement instantly. Accurate conversions for weight, length, temperature, and more.
Powerful online calculators for everyday math. Calculate age, percentages, EMI, BMI, and more.
Convert, compress, and resize images online. Free image tools with no upload limits.
Convert and manage files online. Free file conversion tools for documents, data, and text processing.
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Free developer tools. Format JSON, minify code, encode URLs, generate UUIDs, and more. Our developer tools are free to use, require no signup, and work instantly in your browser. Whether you're a student, professional, or just need a quick conversion, our tools provide accurate results every time.