HTML entities

Turn <, >, &, quotes and optionally any non-ASCII character into HTML entities, or back.

Try also

• JSON formatter & validator: Pretty-print, minify, sort keys and pinpoint syntax errors.
• Base64 encoder / decoder: UTF-8 text or files to Base64, including URL-safe and Data URLs.
• URL encoder & parser: encodeURIComponent, decoding and breaking a URL into parts.
• JWT decoder: Read a token's header and payload and check its expiry.
• Number base converter: Binary, octal, decimal, hex and any base up to 36.