Developer Tools

Essential tools for developers and programmers

Format, validate, and beautify JSON with syntax highlighting

Encode and decode Base64 strings

Encode and decode URLs with different encoding types

Generate MD5, SHA1, SHA256, SHA512 hashes

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

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

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

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

Test and debug regular expressions with real-time match highlighting

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

Generate random UUIDs (v4) instantly — single or bulk

Translate cron expressions into plain English and preview next run times