Is Base64 encryption?

No. Base64 is an encoding that represents data as text. Anyone can decode it, so never use it to protect secrets.

What is URL-safe Base64?

It replaces + and / with - and _ and removes padding so the value can travel safely inside a URL or filename.

The input may contain characters that are not part of Base64, may be truncated, or may use a different variant. Check the source of the string.

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Encode text to Base64 or decode it back.

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About this tool

Convert text to Base64 and back. Base64 moves binary-safe data through text channels such as email, data URLs, and API fields.

Learn more

Learn how to format JSON, understand parser errors, fix common syntax problems, and keep structured data readable during development.