Computer Science
JSON, Base64, QR code, and password tools for CS and IT students.
JSON Formatter
Pretty-print or minify JSON with 2 or 4-space indentation.
Computer ScienceOpen tool
JSON Validator
Check if your JSON is valid, with the exact line and column of any error.
Computer ScienceOpen tool
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text, with full UTF-8 support.
Computer ScienceOpen tool
QR Code Generator
Generate a QR code for a URL, text, email, phone number, or Wi-Fi network.
Computer ScienceOpen tool
Password Generator
Generate a strong, random password using a cryptographically secure generator.
Computer ScienceOpen tool