developer
Client-Side Only
Free Forever

Base64 Encoder & Decoder

Encode or decode strings to Base64 safely and quickly.

Loading tool...

Advertisement

Share this tool:

How to use the Base64 Encoder / Decoder

Select either 'Encode' or 'Decode' mode. Paste your text into the input box, and the converted result will appear instantly in the output box. Click the copy button to grab the result.

?Frequently Asked Questions

What is the Base64 Encoder & Decoder?

The Base64 Encoder & Decoder converts plain text, binary strings, or image assets into ASCII Base64 encoded strings and decodes Base64 back into human-readable text.

Who is the Base64 Encoder & Decoder for?

Designed for software developers, network engineers, and security researchers handling API keys, basic authentication headers, and inline data URIs.

How to Use the Base64 Encoder & Decoder

  1. Select Encode or Decode mode.
  2. Input your text or Base64 string.
  3. View instant converted output in the editor.

Worked Calculation Example

Encoding 'Hello World' converts it to 'SGVsbG8gV29ybGQ='.

Frequently Asked Questions

Is Base64 an encryption method?

No. Base64 is a binary-to-text encoding format designed for safe data transport over ASCII channels, not a cryptographic security encryption algorithm.

Are my strings stored on a server?

No, all encoding and decoding operations take place locally in your web browser.

Explore Related Utilities & Guides