Developer Tools

Essential tools for developers and programmers

JSON Formatter

Format, validate, and beautify JSON with syntax highlighting

Base64 Encoder/Decoder

Encode and decode Base64 strings

URL Encoder/Decoder

Encode and decode URLs with different encoding types

Hash Generator

Generate MD5, SHA1, SHA256, SHA512 hashes

QR Code Generator

Generate QR codes for text, URLs, WiFi, and more

IP Address Checker

Check your public IP address (IPv4/IPv6) and browser information

Tokenizer Playground

Real-time tokenization with popular LLM models (GPT-4, GPT-3.5, GPT-5)

Password Strength Checker

Check password strength, estimate crack time, and generate secure passwords

Regex Tester

Test and debug regular expressions with real-time match highlighting

JWT Decoder

Decode and inspect JSON Web Tokens — header, payload, and signature

UUID Generator

Generate random UUIDs (v4) instantly — single or bulk

Cron Expression Explainer

Translate cron expressions into plain English and preview next run times