Base64 Encoder & Decoder

Instantly convert plain text into Base64 format or decode Base64 strings back to readable UTF-8 text. Includes standard and RFC 4648 URL-safe formatting options.

URL-safe (RFC 4648)

Plain Text Input20 chars

Base64 Result32 chars

SGVsbG8sIE9tbmlUb29scyEg8J+agA==

Key Capabilities

Bidirectional encoding and decoding

Supports standard Base64 and RFC 4648 URL-safe Base64

Instant live translation as you type

Clean invalid character detection

Zero server upload: Runs strictly in your browser

Frequently Asked Questions

Is Base64 encryption?

No. Base64 is an encoding scheme, not encryption. It is used to safely represent binary data in ASCII text format.

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