Read our featured article: 12 Free Developer Tools Every Full-Stack Developer Needs in 2025

Welcome to CodeToolTip

A collection of essential developer tools — encode, encrypt, format, and decode right in your browser.

64

Encoding

Base64, URL encoding, Hex to ASCII conversions

Encoder Decoder URL

Encryption

AES and RSA encryption & decryption tools

AES RSA

JSON Tools

Format, minify, and validate your JSON data

Formatter Minify Validator

JWT Decoder

Decode and inspect JWT tokens instantly

Decoder

Image Tools

Convert Base64 to images and vice versa

Base64 to Image Image to Base64

UUID Generator

Generate random v4 UUID strings quickly

Generator

The Ultimate Alternative to Legacy Developer Tools

Built for the modern web with a focus on privacy, speed, and usability. Discover why developers across the USA, UK, India, China, and Japan are switching to CodeToolTip for their daily workflows.

Vs. CyberChef

CyberChef is powerful but complex. We offer clean, dedicated interfaces for everyday tasks like Base64 encoding and AES encryption.

Vs. JSONLint

FreeFormatter and JSONLint often send data to servers. CodeToolTip formats and validates JSON 100% locally in your browser.

Vs. Base64Decode

Instead of slow ad-filled pages, enjoy instant, secure Base64 decoding and Image-to-Base64 conversions without lag.

Vs. JWT.io

Inspect JWT payloads safely. Our JWT decoder doesn't log tokens, making it a highly secure alternative for developers.