JSON, URL, and developer utilities
Format, validate, and beautify JSON with real-time error highlighting.
Encode and decode URLs in real time.
Convert between HEX, RGB, and HSL color formats with live preview.
Encode and decode Base64 strings with UTF-8 support.
Convert between Unix timestamps and readable dates.
Generate strong, secure passwords with customizable options.
Generate QR codes from text or URLs. Download as PNG.
Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly.
Test and debug regular expressions with real-time match highlighting.
Decode and inspect JWT tokens with header, payload, and signature analysis.
Convert between JSON and CSV formats with custom delimiters.
Resize images to any dimension with aspect ratio lock.
Compress images with adjustable quality. No upload required.
Calculate subnet details from IP address and CIDR prefix.