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Developer Tools

Essential tools for web developers and programmers. Format code, generate hashes, create QR codes, and streamline your development workflow.

22 Tools Category

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QR Code Decoder

Decode and read QR codes from images with batch processing support.

• Image upload
• Multiple formats
• Batch decoding

★ ★ ★ ★ ★

4.6 (14 votes)

Scanner

Decode QR →

📱

QR Code Generator

Generate QR codes for URLs, text, WiFi, and contacts with customization options.

• Multiple data types
• Custom colors
• Logo embedding

★ ★ ★ ★ ★

4.8 (29 votes)

Popular

Generate QR →

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API Response Formatter

Format and beautify API responses including JSON, XML, and HTML with syntax highlighting for better readability and debugging.

• Multi-format support
• Syntax highlighting
• Response validation

★ ★ ★ ★ ★

5.0 (1 vote)

API Tools

Format API Response →

🎨

CSS Beautifier

Format and organize CSS code beautifully with property sorting and optimization.

• CSS formatting
• Property sorting
• Minification

★ ★ ★ ★ ★

4.7 (22 votes)

CSS

Format CSS →

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CSV to JSON

Convert CSV data to JSON format for APIs with auto header detection.

• Auto header detection
• Custom separators
• Type inference

★ ★ ★ ★ ★

4.6 (16 votes)

Conversion

Convert CSV →

🌟

Favicon Generator

Generate complete favicon packages with all sizes and formats for websites and web apps.

• Complete favicon package
• Multiple formats & sizes
• HTML code generation

★ ★ ★ ★ ★

5.0 (1 vote)

Web

Generate Favicon →

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HTML Beautifier

Format and indent HTML markup properly with tag validation and optimization.

• HTML formatting
• Tag validation
• Minification

★ ★ ★ ★ ★

4.7 (20 votes)

HTML

Format HTML →

🌐

IP Subnet Calculator

Calculate network subnets, IP ranges, and CIDR notations for network planning.

• CIDR calculations
• IP range analysis
• Subnet planning

★ ★ ★ ★ ★

4.5 (2 votes)

Network

Calculate Subnet →

📋

JSON Formatter

Format, validate, and minify JSON data beautifully with syntax highlighting and error detection.

• Syntax highlighting
• Error detection
• Minify & beautify

★ ★ ★ ★ ★

4.8 (34 votes)

Most Used

Format JSON →

✅

JSON Validator

Validate JSON syntax and find formatting errors with detailed error reporting.

• Syntax validation
• Error reporting
• Schema validation

★ ★ ★ ★ ★

4.8 (34 votes)

Essential

Validate JSON →

📊

JSON to CSV

Convert JSON data to CSV format for spreadsheets with nested data support.

• Nested JSON support
• Custom delimiters
• Header mapping

★ ★ ★ ★ ★

4.6 (18 votes)

Conversion

Convert JSON →

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JWT Encoder Decoder

Encode, decode, and verify JSON Web Tokens (JWT) with signature validation, payload inspection, and security analysis for authentication.

• JWT encode/decode
• Signature verification
• Payload inspection

★ ★ ★ ★ ★

5.0 (1 vote)

Security

Process JWT →

✨

JavaScript Beautifier

Format and beautify JavaScript code with syntax highlighting and custom settings.

• Code formatting
• Syntax highlighting
• Minification

★ ★ ★ ★ ★

4.7 (28 votes)

JavaScript

Format JS →

🖼️

Lorem Pixel Generator

Generate placeholder images with custom dimensions and colors for design mockups.

• Custom dimensions
• Color options
• Category themes

★ ★ ★ ★ ★

5.0 (1 vote)

Design

Generate Images →

🔐

MD5 Generator

Generate MD5 hashes for data integrity verification and checksum validation.

• Text & file hashing
• Hex & Base64 output
• Batch processing

★ ★ ★ ★ ★

4.6 (15 votes)

Crypto

Generate Hash →

🔑

Password Generator

Generate secure passwords with custom criteria and cryptographic strength.

• Cryptographically secure
• Custom length
• Character sets

★ ★ ★ ★ ★

4.5 (28 votes)

Security

Generate Password →

🛡️

Password Strength Checker

Analyze password strength and security with detailed feedback and improvement suggestions.

• Strength analysis
• Security scoring
• Improvement tips

★ ★ ★ ★ ★

5.0 (1 vote)

Security

Check Strength →

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Regex Tester

Test, validate, and debug regular expressions with real-time matching, group capture, and pattern explanation for JavaScript, Python, PHP.

• Real-time testing
• Multiple regex flavors
• Group capture display

★ ★ ★ ★ ★

5.0 (1 vote)

Testing

Test Regex →

🗄️

SQL Formatter

Format, beautify, and optimize SQL queries with syntax highlighting, keyword capitalization, and indentation for MySQL, PostgreSQL, Oracle.

• SQL beautification
• Multi-database support
• Syntax highlighting

★ ★ ★ ★ ★

5.0 (1 vote)

Database

Format SQL →

🆔

UUID Generator

Generate unique identifiers for applications and database records.

• UUID v1, v4, v5
• Bulk generation
• Multiple formats

★ ★ ★ ★ ★

4.7 (20 votes)

Database

Generate UUID →

📄

XML Generator

Generate well-formatted XML documents with validation and custom structure options.

• XML structure generation
• Schema validation
• Custom formatting

★ ★ ★ ★ ★

4.6 (16 votes)

Markup

Generate XML →

📝

YAML Formatter

Format, validate, and beautify YAML files with syntax highlighting, indentation correction, and error detection for configuration files.

• YAML validation
• Syntax highlighting
• Indentation fixing

★ ★ ★ ★ ★

5.0 (1 vote)

Configuration

Format YAML →