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Advanced base converter supporting bases from 2 to 36 with fractional number conversion.
Encode / Decode · ToolBox
Encode text or files to Base64 and decode Base64 back to readable text or binary data.
Encode or decode URL strings by percent-encoding special characters for safe web transmission.
Escape or unescape HTML entities to prevent XSS and display reserved characters correctly.
Convert text between Unicode code points and characters, supporting escape sequences and encodings.
Convert numbers between binary, octal, decimal, and hexadecimal numeral systems.
Convert images to Base64 encoded data URIs or decode Base64 strings back to image files.