Developer Tools That Actually Save Time

Fast, free, modern developer tools for JSON formatting, JWT decoding, regex testing, API debugging and more.

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{ "name": "CodeBlocksHub" }
JWT Verified Successfully ✓
Regex Match Found: 12
JSON Beautified in 0.02s ⚡

Popular Developer Tools

Essential utilities for developers and programmers

JSON Formatter

Beautify and validate JSON instantly with syntax highlighting.

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JWT Decoder

Decode and inspect JWT tokens securely in your browser.

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PDF Compressor Pro

Reduce file size by up to 80% – pages are re-encoded as optimized images, all inside your browser.

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Image Compressor Pro

Image Compressor Online – Convert to PNG, JPG & WebP Free

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JWT Generator

Generate JWT tokens securely in your browser.

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Regex Tester

Test and debug regular expressions in real-time.

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Keep Notes

Keep Notes – Secure Local Note Taking Web App.

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Whiteboard

Online Whiteboard Free – Draw, Collaborate & Share Instantly

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Base64 Encoder / Decoder - Online Tool

Base64 Encoder / Decoder - Online Tool

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Why Use CodeBlocksHub?

Built for speed, simplicity and productivity

Lightning Fast

Optimized for instant results and smooth workflow.

Privacy Focused

Your data never leaves your browser.

Dark Mode

Comfortable interface for long coding sessions.

Mobile Friendly

Responsive design that works on every device.

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Tutorials, debugging tips and programming guides

Build Faster. Debug Smarter.

Modern tools built to improve developer productivity.

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