Developer Tools

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back into plain content.

base64 encode decode

Tool I/O preview

Input: Hello world

Output: SGVsbG8gd29ybGQ=

Use this tool

Introduction

Base64 Encode / Decode introduction

The Base64 Encode / Decode tool converts readable text into Base64 and also turns Base64 strings back into plain text. It is useful for developers, testers, email template users, and anyone working with encoded values in APIs, tokens, or embedded content.

Alternative keywords

base64 converter encode to base64 decode base64 text base64 encoder base64 decoder

What Base64 is used for

Base64 is a text-based encoding method often used when binary or special content needs to travel through systems that expect plain text. It appears in APIs, email bodies, tokens, and file transfer workflows.

This tool gives users a simple way to encode normal text into Base64 or decode an existing Base64 string back into a readable output.

How the encoder and decoder work

Choose encode when you want to transform plain content into Base64. Choose decode when you already have an encoded string and want to view the original text.

After submission, the result is shown in a clean output block that can be copied into a development workflow, test case, or documentation example.

Who should use this page

This page is especially useful for developers, QA teams, system integrators, and marketers working with email or webhook payloads. It also fits well into a multi-tool PHP website because the input and output are clearly different from text or SEO tools.

FAQ

Base64 Encode / Decode questions

Is Base64 encryption?

No. Base64 is an encoding method, not a secure encryption system.

Can I decode every Base64 string?

Only properly formed Base64 input can be decoded successfully.

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