Base64 Encoder & Decoder
Encode text and files to Base64 or decode Base64 data back to its original format. Processing happens entirely locally in your browser.
Input
Result
The result will be output here.
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Guide & best practices
Base64 Encoder and Decoder for text and data
Convert text to Base64 or decode Base64 back to readable text in a privacy-friendly local workflow.
Typical use cases
Useful for API payloads, Basic Auth debugging, small data URIs, token analysis preparation and encoding checks.
How Base64 works in Balou
Balou uses browser APIs to convert between plain text and Base64 locally and provides copy-ready output.
Safety limits and best practices
Base64 is not encryption. Do not store secrets unprotected, verify UTF-8 handling and avoid large data URIs on production pages.
Frequently asked questions
Is Base64 secure?
No. Base64 is encoding and can be reversed.
Are inputs uploaded?
Encoding and decoding run locally in the browser.
Why does decoded text look broken?
It may be binary data or not UTF-8.
Which tools complement it?
URL Encoder, Image Base64 and Hash Generator.