Encoders & Decoders
Encode and decode Base64, URLs and more. Fast, private, and entirely client-side — nothing is uploaded.
161 tools in this category
Base64 Encode / Decode Encode text to Base64 or decode Base64 back to text — UTF-8 safe. URL Encode / Decode Percent-encode text for URLs or decode encoded URL components. Base64 to Text Decode a Base64 string back into readable text (UTF-8 safe). Text to Base64 Encode any text into a Base64 string (UTF-8 safe), instantly. String to Base64 Convert any string to a Base64-encoded value (UTF-8 safe). Base64 to String Decode a Base64 value back into the original string (UTF-8). JSON to Base64 Encode a JSON document into a single Base64 string (UTF-8). CSV to Base64 Encode CSV data into a single Base64 string (UTF-8 safe). String to Byte Convert a string to its UTF-8 byte values in decimal (0–255). Byte to String Decode decimal byte values (0–255) back into a UTF-8 string. String to Int Convert a string to integer Unicode code points, space-separated. Code to ASCII Convert numeric character codes back into ASCII / readable text. UTF-8 to ASCII Strip text down to plain 7-bit ASCII, dropping non-ASCII characters. UTF-8 to Hex Convert UTF-8 text to hexadecimal byte values, two digits per byte. Hex to UTF-8 Decode hexadecimal byte values back into UTF-8 text. URL Encode Percent-encode text for safe use in a URL (encodeURIComponent). URL Decode Decode percent-encoded URL text back to readable form. HTML Encode Online Encode reserved HTML characters into safe entities instantly. Escape Character Online Escape quotes, newlines and control characters with backslashes. Escape String Turn raw text into a backslash-escaped string for code. Unescape String Decode backslash escape sequences back into readable text. Test Printf Online Preview printf format strings with width, precision and flags. Morse Code Translator Translate text into Morse code dots and dashes instantly. ROT13 to Text Encode or decode ROT13 text — the cipher is its own reverse.
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