Why It's Great

ToolFK is a comprehensive Swiss Army knife for developers. It offers a vast array of free online tools ranging from code compilation to complex file conversions, all in one place.

Key Features

💻 Online Compilers

Run code instantly in your browser without any setup.

• Languages: C, C++, Java, Python, PHP, Go, Rust, Swift, Ruby, Lua, and more.
• Execution: Fast compilation and execution with standard input/output support.

🛠️ Developer Utilities

• JSON Editor: Validate, format, and convert JSON (to CSV, XML, Java, C#).
• SQL Tools: SQL Formatter and Online SQL Schema Designer.
• Regex Tester: Test and generate regular expressions for multiple languages.
• Cron Evaluator: Generate and test Linux crontab expressions.
• Diff Tool: Compare text or code snippets for differences.

🔐 Security & Encryption

• Obfuscators: Protect JS, Python, PHP, and Java code.
• Encryption: MD5, SHA, AES, DES text encryption.
• Base64: Advanced encoding/decoding for text, files, images, and audio/video.

🌐 Network & Web

• DNS & Port Checker: Verify DNS records and check open ports.
• IP Lookup: Detailed IP address information.
• HTTP Simulator: Test API requests (GET/POST) seamlessly.
• cURL Converter: Convert cURL commands to Python, Node.js, Ansible, etc.

📂 File Converters

• PDF Tools: Convert PDF to Word, Excel, PPT, Image, and vice versa.
• Image Tools: Compress, resize, and convert images (PNG/JPG/WEBP/SVG).

Pricing

• 100% Free: All tools are available for free online use.