All-in-One Developer Tools

Free online tools for encoding, decoding, hashing, and formatting. No login, no ads, lightning-fast performance. Get instant results for all your development needs.

✓ 100% Free ✓ No Sign-up ✓ Open Source ✓ Fast & Secure
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Developer Tools

Explore our collection of powerful, free tools designed for developers

Why Choose JustHex?

Lightning Fast
All processing happens in your browser - no server delays
🔒
Completely Secure
Your data never leaves your browser. 100% private processing
🎯
Easy to Use
Simple, clean interface with instant results
No Limits
Unlimited usage, no rate limiting or quotas
📝

Base64 Encoder

Encode and decode Base64 text instantly. Perfect for APIs, authentication tokens, and data transmission.

Encoding
🔐

SHA256 Hash

Generate SHA256 hashes for passwords, encryption, and data integrity verification. Industry-standard hashing.

Hashing
🔑

MD5 Generator

Create MD5 hashes for checksum validation and quick hashing needs. Fast and reliable.

Hashing
{ }

JSON Formatter

Format, beautify, and validate JSON data. Debug APIs and improve code readability instantly.

Formatting
🌐

URL Encoder

Encode and decode URLs safely for web transmission. Handle special characters in parameters.

Encoding
🔒

Password Generator

Generate strong, secure passwords instantly. Customizable length and character types.

Security
🆔

UUID Generator

Create unique UUIDs for databases, APIs, and applications. Instant generation of v4 UUIDs.

Generators
010

Binary Converter

Convert text to binary and back. Perfect for learning binary systems and debugging encoding.

Conversion
Aa

Case Converter

Convert text between uppercase, lowercase, title case, and more. Perfect for formatting content.

Formatting

Timestamp Converter

Convert UNIX timestamps to readable dates. Convert dates to timestamps for development and debugging.

Conversion
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Trusted by Developers Worldwide

50K+ Daily Users
10 Powerful Tools
100% Free Forever
0ms Processing Time
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Frequently Asked Questions

Is JustHex really free?
Yes! 100% free, forever. No hidden charges, no premium tiers, no login required. All tools are completely free to use.
Is my data private and secure?
Absolutely. All processing happens in your browser using JavaScript. No data is sent to our servers. Your privacy is completely protected.
Do I need to create an account?
No signup required. You can start using tools immediately. Just visit, choose a tool, and go!
What tools do you offer?
We offer 10 essential tools: Base64 Encoder, SHA256 Hash, MD5 Hash, JSON Formatter, URL Encoder, Password Generator, UUID Generator, Binary Converter, Case Converter, and Timestamp Converter.
Can I use these tools offline?
Yes! Since all processing happens in your browser, you can save the pages and use them offline (though you'll need internet to first access the site).
How are you making money?
JustHex is supported by non-intrusive advertising. We're committed to keeping the tools free while maintaining the service.