Is Base64 encryption?
No. Base64 is an encoding scheme—anyone can decode it. Do not treat it as secrecy.
Base64 Encoder/Decoder
DevTools Base64 Encoder/Decoder encodes plain text to Base64 and decodes Base64 back to text locally in your browser—ideal for Basic Auth, Data URLs, and binary-in-text debugging.
Base64 Encoder/Decoder
Encode and decode Base64 online—quickly convert between plain text and Base64 strings.
Output
SGVsbG8sIGRldnRvb2xzIQ==
About this tool
Base64 carries binary data over text protocols—email attachments, JWT segments, image Data URLs, and HTTP auth. The tool supports encode/decode, URL-safe variants, and quick copy.
How to use
- Paste plain text or a Base64 string.
- Choose encode or decode mode and variant.
- Review and copy the result in real time.
FAQ
Why does decoding show garbled text?
Common causes: non–UTF-8 source bytes, URL-safe Base64, or missing padding (=). Normalize the input format first.
Is my data uploaded?
No. Encoding and decoding run locally in your browser.
Is this tool free?
Yes. No registration required.
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