Encode or decode text and files to Base64 or URL-safe Base64. Auto-detects encoded input. Runs entirely in your browser.
Auto-detect encoded input, switch between base64, hex, binary, decimal, and run files (up to 10 MB) entirely in your browser.
aGVsbG8sIHdvcmxkIQ==
Generate a QR code from any URL or text. Download as SVG. Runs entirely in your browser.
Pretty-print, minify, and validate JSON. Identifies the exact line and column of any syntax error.
Measure entropy in bits, estimate brute-force time, and see what's weakening your password.
Encode or decode text and files to Base64 or URL-safe Base64. Auto-detects encoded input. Runs entirely in your browser.
Auto-detect encoded input, switch between base64, hex, binary, decimal, and run files (up to 10 MB) entirely in your browser.
aGVsbG8sIHdvcmxkIQ==
Generate a QR code from any URL or text. Download as SVG. Runs entirely in your browser.
Pretty-print, minify, and validate JSON. Identifies the exact line and column of any syntax error.
Measure entropy in bits, estimate brute-force time, and see what's weakening your password.