GT Printables
⚡Essential Developer Toolkit

Developer Tools

Essential tools for developers and programmers. Format JSON, encode Base64, generate hashes, decode JWTs, and more. All tools work offline in your browser - no uploads, completely private.

🔒100% Private
⚡Instant Results
💰Completely Free
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JSON Formatter

Format, validate, and beautify JSON instantly

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UUID Generator

Generate unique identifiers (UUIDs) instantly

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Base64 Encoder/Decoder

Encode and decode Base64 text instantly

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URL Encoder/Decoder

Encode and decode URLs for safe transmission

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Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes

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Timestamp Converter

Convert Unix timestamps to dates and vice versa

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CSS Minifier

Minify and beautify CSS with compression stats

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JWT Decoder

Decode and inspect JWT tokens instantly

📝

Markdown to HTML

Convert Markdown to HTML with live preview instantly

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Diff Checker

Compare text and code differences side-by-side instantly

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Code Formatter

Format and beautify code with syntax highlighting for 10+ programming languages

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Regex Tester

Test and debug regular expressions with real-time matching and cheat sheet

📁

Filename Cleaner & Normalizer

Clean multiple filenames by removing symbols, fixing spacing, and standardizing case

Built for Developers, By Developers

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Zero Friction

No sign-ups, no downloads. Just paste your data and get instant results.

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Real-Time

See results as you type. No waiting, no processing delays.

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Secure

All processing happens locally. Your code never leaves your browser.

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Precise

Professional-grade tools with accurate results every time.

Essential Developer Tools for Modern Development

Our developer tools suite provides everything you need for daily programming tasks. From formatting JSON to encoding data, generating hashes to decoding tokens, these tools are designed to boost your productivity and streamline your development workflow.

Popular Developer Operations

  • 📋 JSON Formatter: Format, validate, and minify JSON with syntax highlighting
  • 🔐 Base64 Encoder/Decoder: Encode and decode Base64 strings with UTF-8 support
  • 🔗 URL Encoder/Decoder: Encode URLs and query parameters for safe transmission
  • 🔑 Hash Generator: Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes
  • 🎫 JWT Decoder: Decode and inspect JSON Web Tokens with claims validation
  • 🆔 UUID Generator: Generate cryptographically secure unique identifiers
  • 📁 Filename Cleaner: Clean and normalize filenames by removing special characters

Perfect for Every Developer

🌐 Frontend Developers

Format JSON responses, encode URLs, minify CSS, and convert Markdown to HTML.

⚙️ Backend Developers

Generate hashes, decode JWTs, create UUIDs, and validate API responses.

🔐 Security Engineers

Generate secure hashes, decode tokens, and validate cryptographic data.

📊 Data Engineers

Format JSON data, encode/decode Base64, and compare text differences.

Why Choose Our Developer Tools?

  • ✅ No Installation Required: All tools work directly in your browser
  • ✅ Offline Capable: Many tools work without internet connection
  • ✅ Privacy Focused: Your data never leaves your device
  • ✅ Real-Time Processing: See results as you type
  • ✅ Professional UI: Clean, intuitive interface designed for productivity
  • ✅ Copy-Paste Friendly: Easy copying with one-click buttons

Common Use Cases

API Development: Format JSON responses, encode query parameters, generate API keys and tokens.

Data Processing: Encode/decode data for transmission, generate checksums, validate data integrity.

Security Testing: Generate hashes for password verification, decode JWTs for debugging.

Code Review: Compare code differences, format JSON logs, validate data structures.