Base64 Encoder & Decoder
Encode text to Base64 and decode it back.
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- 100% free
- Files never leave your device
Encode and decode Base64 online
Switch between Encode and Decode, type or paste your text, and the result updates instantly. Full Unicode is supported, so accented characters and emojis work correctly.
What is Base64?
Base64 represents binary or text data using 64 printable ASCII characters. It's commonly used to embed data in URLs, JSON, emails and data URIs where only plain text is allowed.
Working with URLs? See the URL encoder. Need a checksum? Try the hash generator.
Frequently asked questions
What is Base64 used for?
Base64 encodes binary or text data into plain ASCII characters so it can be safely embedded in URLs, JSON, emails and data URIs.
Does it support emojis and other languages?
Yes — the tool handles full Unicode, so accented characters and emojis encode and decode correctly.