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Your Base64 data stays in your browser. Client-side only

Base64 Converter

Multi-format developer utility: convert seamlessly between Base64, plain text, Hexadecimal, and Base64URL.

Select Input Format:
Plain Text (UTF-8)
Standard Base64 (+ / =)
Base64URL (- _)
Hexadecimal Bytes

Universal Base64 Converter

When developing network clients, analyzing binary payloads, or parsing cryptographic signatures, engineers often need to jump between multiple representation formats: UTF-8 strings, Standard Base64, Web-safe Base64URL, and raw Hexadecimal byte dumps.

This universal converter accepts any of these three input formats and simultaneously computes the equivalent representations across all other encodings in real time.

Frequently Asked Questions

Clear, concise answers to common questions about Base64 decoding, encoding, and specifications.

The multi-format converter decodes the chosen input format into an underlying raw byte stream, and then simultaneously serializes those bytes into plain UTF-8 text, standard Base64, URL-safe Base64URL, and formatted Hexadecimal byte pairs.

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