Is Base64 encryption?

No, Base64 is an encoding scheme, not encryption — it provides no security and can be reversed by anyone.

Base64 Encoder / Decoder

Convert plain text to Base64 encoding, or decode a Base64 string back into readable text.

Inputs

Results

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Formula

Standard Base64 encoding/decoding (RFC 4648)

Everyday Developer Utilities Explained: Encoding, Number Bases, and Timestamps

What Base64 encoding, hexadecimal, and Unix timestamps actually represent, and why they're used instead of plain text.

How Base64 Encoding Actually Works

What Base64 does to text and binary data, why it exists, and why it's not a form of security.

URL Encoder / Decoder

Encode text for safe use in a URL, or decode a URL-encoded string.

Number Base Converter

Convert a number between binary, octal, decimal, and hexadecimal.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

UUID Generator

Generate a random version 4 UUID.

CSS Unit Converter

Convert between px, rem, and em CSS units.

Aspect Ratio Calculator

Calculate the missing dimension to preserve an aspect ratio.