Free Online Conversion Tools
Professional Conversion Tools
Our comprehensive hex decoder tool is just the beginning. We've built a complete suite of conversion utilities to help developers, security analysts, and data professionals work more efficiently. All tools run entirely in your browser - your data never leaves your device.
⭐ Featured: Hex Decoder
Our flagship hexadecimal decoder converts hex to text instantly with support for ASCII, UTF-8, binary, and Base64 output formats. Perfect for debugging, data analysis, and security research.
Use Hex DecoderEncoding & Decoding Tools
Base64 Converter
Encode and decode Base64 strings. Convert text, files, and binary data to/from Base64 format instantly.
URL Encoder/Decoder
Encode special characters for URLs. Decode URL-encoded strings back to readable text format.
ASCII Converter
Convert text to ASCII codes and vice versa. Supports decimal, hexadecimal, and binary ASCII values.
Binary Converter
Convert between binary, decimal, hex, and text. Essential tool for low-level programming and debugging.
MD5 Hash Generator
Generate MD5 hashes from text. Useful for checksums, password hashing, and data integrity verification.
SHA Hash Generator
Generate SHA-1, SHA-256, SHA-512 hashes. Cryptographic hash functions for security applications.
ROT13 Cipher
Encode and decode ROT13 text. Simple letter substitution cipher for obscuring text.
HTML Entity Encoder
Convert special characters to HTML entities. Prevent XSS and display reserved characters safely.
JSON Formatter
Format, validate, and minify JSON data. Pretty-print JSON for better readability and debugging.
Regex Tester
Test regular expressions in real-time. Visualize matches and debug regex patterns easily.
Why Use HexDecoder Tools?
🔒 Privacy First
All processing happens in your browser. Your data never touches our servers. Perfect for sensitive information.
⚡ Lightning Fast
Instant conversions with real-time results. No server delays or API rate limits to slow you down.
💯 Free Forever
No registration, no limits, no hidden fees. Use our hex decoder and all tools completely free.
📱 Works Everywhere
Responsive design works on desktop, tablet, and mobile. Access tools from any device, anywhere.
Common Use Cases
- Web Development: Use our hex decoder for debugging encoded data, URL encoding for query parameters, Base64 for data URIs
- Security Analysis: Decode hex dumps, analyze encoded payloads, generate cryptographic hashes with our free tools
- Data Processing: Convert between encoding formats, validate JSON, transform binary data with the hex decoder tool
- API Development: Test Base64 authentication, decode webhook payloads, format JSON responses
- Debugging: Inspect hex-encoded network traffic, decode error messages, analyze memory dumps
- Education: Learn encoding concepts, experiment with different formats, understand how hex decoding works
Complete Conversion Workflow
Our tools are designed to work together seamlessly. Start with our hexadecimal decoder to convert hex data, then use complementary tools for further processing:
Workflow Example: 1. Decode hex data → HexDecoder 2. Decode Base64 → Base64 Converter 3. Parse JSON → JSON Formatter 4. Encode for URL → URL Encoder
Each tool maintains data format consistency, making complex conversion chains simple. Our hex decoder serves as the foundation for most encoding workflows.
📚 Learn More About Encoding
Want to understand how these tools work? Check out our comprehensive guides:
- Beginner's Guide to Hex Decoding - Start with the fundamentals
- Web Development Guide - Using encoding in web projects
- Programming Guide - Implement encoding in your code
- Security Guide - Encoding in security analysis
Ready to Start Converting?
Try our most popular tool - the free hex decoder with instant results
Use Hex Decoder Now