Base64 Decoder

Decode Base64 encoded data to plain data.
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What is Base64 Decoder ?

Base64 Decoder is a free online tool to decode Base64 encoded data to plain data. It is very simple and easy to use.

Just start by typing or copy paste the text to the input textarea box and click 'Decode'. The base64 encoded data will be decoded and displayed in plain text format. You can easily copy the result by clicking on the 'copy' icon.

Please use Base64 Encoder to convert plain text data to Base64 encoded data.

To learn more about Base64, visit Base64 Wikipedia page.

Author Information

Rajesh V U photo

Rajesh V U

Full-Stack Developer & Storage Technologist | Creator of UnitSmash.com
Last updated: June 1, 2026

I am a Storage Technologist with strong experience in enterprise storage systems, Angular development, and web-based tools. I enjoy building practical calculators, converters, and utilities, and I also create original cartoons. I share my tools, articles, and creative work on my personal website, rajeshvu.com.