Category
Encode & Decode Tools
Encode and decode tools turn text into a transport form and back again. Base64, URL encoding, HTML entities, hexadecimal, and binary are the formats that show up in query strings, tokens, logs, and markup. String escape and Unicode escape handle backslash sequences copied out of source or JSON. Morse is the same idea for a different alphabet.
Paste the value, choose encode or decode, and compare the result with the original before you send it on. These pages do not upload the input. They help when a percent-encoded query looks wrong, when a Base64 blob should be readable text, or when HTML entities are hiding characters you need to edit. Start with the format the other system printed. If the output still looks encoded, try the next alphabet rather than guessing at the characters by hand.
Common workflows in this category
API debugging workflow
Inspect tokens, compare payloads, and convert between common transport formats without leaving the browser.
All encode / decode tools
- Base64 Encode / Decode
Encode text to standard Base64, or decode Base64 back to text, including padding. Characters outside Latin-1 are rejected. Copy the result locally.
- URL Encode / Decode
Percent-encode or decode text with encodeURIComponent and decodeURIComponent. Spaces become %20. Invalid escapes are reported. Nothing is uploaded.
- HTML Encode / Decode
Turn ampersands, angle brackets, quotes, and apostrophes into HTML entities, or turn those entities back into text. A short named-entity list is decoded too.
- Hex Encode / Decode
Turn text into space-separated hexadecimal bytes, or turn those bytes back into text. Hex is lowercase UTF-8. A token that is not hex is rejected.
- String Escape / Unescape
Escape or unescape a string for JSON, JavaScript, or SQL. Quotes, newlines, and backslashes follow that syntax. A bad JSON unescape shows the parser error.
- Binary Encode / Decode
Turn text into space-separated binary groups, or turn those groups back into text. A character can take more than eight bits. Nothing is uploaded.
- Morse Code
Turn letters, digits, and punctuation into international Morse code, or turn dots and dashes back into text. A slash marks the gap between words.
- Unicode Escape / Unescape
Turn every character into a four-digit escape, or turn those escapes back into text. A space is escaped too. An emoji becomes a pair of escapes.
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Category
Showing 8 of 75 tools.
Base64 Encode / Decode
LiveEncode or decode Latin-1 text as standard Base64.
Binary Encode / Decode
LiveTurn text into space-separated binary groups, or turn those groups back into text.
Hex Encode / Decode
LiveEncode text to space-separated hex bytes, or decode those bytes back to text.
HTML Encode / Decode
LiveEncode brackets, ampersands, and quotes as HTML entities, or decode them.
Morse Code
LiveTurn text into international Morse code, or turn dots and dashes back into text.
String Escape / Unescape
LiveEscape or unescape quotes, newlines, and backslashes for JSON, JavaScript, or SQL.
Unicode Escape / Unescape
LiveTurn text into Unicode escapes, or turn those escapes back into text.
URL Encode / Decode
LivePercent-encode or decode text with encodeURIComponent.
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