Encode & decode

21 encode & decode tools in Security & Crypto. Each one runs in this tab, so nothing you paste in leaves the machine.

All encode & decode tools

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Convert text to hexadecimal byte representation

Percent-encode text using standard encodeURIComponent encoding

Decode binary strings of 0s and 1s back to readable ASCII/UTF-8 text

Convert Base64 encoded strings back to plain text

Octal Converter

Encode text to octal byte values or decode octal back to text

Convert ASCII/UTF-8 text to binary 0s and 1s

Base64URL Decode

Decode URL-safe Base64 encoded strings back to text

Data URL Builder

Create data URIs from text content

Query String Parser

Break down URL query strings into individual key-value pairs

Query String Builder

Construct URL query strings from key-value pairs

Break down URLs into protocol, host, path, query parameters

Any Base Converter

Convert numbers between any bases (2-36)

Base64URL Encode

Encode text to URL-safe Base64 format

Convert text to Base64 format

Base32 Encode/Decode

Encode text to Base32 or decode Base32 back to text

Construct URLs from individual components like protocol, host, path

Base62 Encode/Decode

Encode or decode text using Base62 alphanumeric encoding

URL Encode (Full)

Percent-encode every character including safe ASCII characters

Base58 Encode/Decode

Encode or decode text using Bitcoin-style Base58 encoding

Convert hexadecimal strings back to readable text

Decode percent-encoded (URL-encoded) strings back to readable text