Base64 Encode / Decode
Convert plain text to Base64 or decode Base64 back to readable text in a few seconds.
Useful for quick checks of tokens, payload fragments and encoded text.
Paste plain text or a Base64 string.
Result appears here after encoding or decoding.
About this tool
Base64 is a text encoding that maps binary or plain text content to a restricted set of ASCII characters. It is useful for data transport, embedded content and certain protocol fields, but it is not meant to hide or secure data.
Examples
Hello, world! SGVsbG8sIHdvcmxkIQ==
FAQ
Is Base64 encryption?
No. Base64 is just an encoding format. Anyone can decode it back to the original value.
How do I decode Base64?
Paste the Base64 string into the input area and press Decode. If the input is malformed, the tool shows an error.
Why use Base64?
It helps move data through systems that expect text-only content or limited character sets.
Learn how this tool is commonly used
Read the practical guide for common Base64 workflows in APIs, tokens and transport-safe text.