ROT13 / Caesar cipher

Base64 encode / decodeEncode text to Base64 or decode it back. Handles Unicode and URL-safe Base64. File to Base64Convert any file or image to a Base64 string or data URI. Base64 to imagePreview and download an image from a Base64 string or data URI. URL encode / decodePercent-encode text for URLs or decode it. HTML entity encode / decodeConvert special characters to HTML entities and back. Unicode escape / unescapeConvert text to \uXXXX escapes and back. Punycode / IDN converterConvert international domain names to xn-- punycode and back. UTF-8 inspectorSee each character's code point, UTF-8 bytes and name category.