D
DevMe
EncodingPopular

Base64 Encode / Decode

Encode text to Base64 or decode Base64 strings back to plain text.

Related Tools

U
URL Encode / Decode
Encode special characters for URL-safe usage or decode URL-encoded strings.
H
HTML Encode / Decode
Encode HTML entities or decode them back to characters.
J
JWT Decoder
Decode and inspect JWT tokens. View header, payload, and expiration. Works entirely in the browser.
U
Unicode Converter
Convert text to Unicode code points and back, in multiple formats.

What this tool does

Base64 Encode / Decode encodes plain text to Base64 and decodes Base64 back to text. It accepts plain text or Base64 strings and returns encoded or decoded text. Use it for checking encoded payloads, headers, tokens, data URIs and quick transport-safe values.

Related extensions and formats

These are the formats and values directly related to the Base64 Encode / Decode workflow: plain text or Base64 strings becomes encoded or decoded text.

Base64 string

Base64

A text encoding that represents binary or Unicode data using ASCII characters for transport and embedding.

Plain text

.txt

A simple text file for logs, lists, generated values, decoded output and other unstructured content.

How to use this tool

  1. 1Paste or enter plain text or Base64 strings into Base64 Encode / Decode.
  2. 2Adjust the available options when the tool provides extra controls.
  3. 3Review encoded or decoded text, then copy or download the result.

Common use cases

  • Use plain text or Base64 strings for checking encoded payloads, headers, tokens, data URIs and quick transport-safe values.
  • Generate encoded or decoded text without installing external utilities.
  • Quickly check plain text or Base64 strings before pasting it into code, documentation or integrations.
  • Keep sensitive data in the browser during quick development tasks.

Frequently asked questions

What is Base64 Encode / Decode used for?

It is used for checking encoded payloads, headers, tokens, data URIs and quick transport-safe values, converting or analyzing plain text or Base64 strings to produce encoded or decoded text.

What input can I use with Base64 Encode / Decode?

Use plain text or Base64 strings. The expected result is encoded or decoded text.

Does Base64 Encode / Decode send my data to the server?

No. DevMe tools are designed to process data in the browser whenever possible.