About This Tool

What does this tool do?

A fast text encoder supporting standard RFC 4648 Base64, URL-safe Base64 (-_ instead of +/), stripped padding (=), line wrapping (64/76 chars), and comprehensive UTF-8 multi-byte unicode character handling without encoding corruption.

When should you use it?

Use this tool for generating Basic Authentication headers (Authorization: Basic ...), preparing URL-safe tokens, decoding base64 query parameters, and embedding string literals into configuration files.

Key Capabilities & Features

Real-time UTF-8 and ASCII text encoding and decoding to standard Base64 format
URL-safe Base64 encoding variant toggle replacing + and / with - and _
Automatic malformed Base64 string validation and syntax error flagging
Line wrapping and padding configuration (= omission support)
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