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96 converters across 8 categories. Search live or jump to a section.

13 matches

Final price after a percentage off — instantly.

Encode and decode Base64 — Unicode-safe.

Percent-encode and decode URLs safely.

Escape or unescape HTML special characters.

Convert between hex, binary, octal and decimal.

ROT13 and Caesar shift any letters.

Encode and decode international Morse code.

Decode and inspect JWT tokens — locally, never logged.

SHA-1, SHA-256, SHA-384, SHA-512 — all in browser.

HMAC-SHA1/256/384/512 with any secret.

Cryptographically secure random passwords.

Estimate entropy and get tips, locally.

Generate customisable QR codes or decode them from images.