Encode & Crypto
Base64 Encode / Decode
Encode text to Base64, or decode it back.
Encode & Crypto
URL Encode / Decode
Escape special characters so a URL survives transport intact.
Tool Panel
Processed locallyAbout URL Encode / Decode
URL (percent) encoding turns special characters into %XX form so the URL transmits safely. Encode: escapes with encodeURIComponent Decode: restores with decodeURIComponent Letters, digits and the safe characters -_.!~*'() are preserved
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Percent-encodes reserved characters so Chinese text and spaces can travel inside a URL.
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Both directions are supported and update as you type.
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Encoding happens locally, so links with parameters are not sent anywhere.
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Paste a URL or text
Use the encode direction for text going into a query, and decode to read one back.
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Switch direction
Encode and decode sit at the top; the output follows the input.
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Copy the result
One button for the escaped string.
Spaces become %20. A + means form encoding (application/x-www-form-urlencoded), which is also common.
URLs only allow ASCII-safe characters, so non-ASCII text is turned into UTF-8 bytes and escaped — otherwise browsers disagree about what the link means.
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Encode or decode text using the Base32 alphabet.
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Base36 Encode / Decode
Encode or decode numbers and text in Base36.
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Base58 Encode / Decode
Encode or decode with Base58, the alphabet Bitcoin addresses use.
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Binary Encode
Turn text into its 0 and 1 representation.
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Binary Decode
Turn a binary string back into readable text.
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Hex Encode
Convert text to a hexadecimal string.
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