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🔣 Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plain text — with full UTF-8 support.
Plain Text
Base64 Output
Why use OmnifyTools Base64 Encoder?
🔣
Encode & Decode
Switch modes instantly — ideal for API payloads, data URIs, and debugging.
🌐
UTF-8 Support
Handles Unicode characters correctly when UTF-8 mode is enabled.
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100% Private
All conversion happens locally in your browser.
✓ Copied!
Frequently Asked Questions
What is Base64 encoding?
Base64 converts binary data into ASCII text using 64 printable characters — common in APIs, email, and data URIs.
Does it support Unicode?
Yes — enable UTF-8 mode to correctly encode and decode non-ASCII characters.
Can I decode Base64 back to text?
Yes — switch to Decode mode and paste your Base64 string.
Is my data sent to a server?
No. All encoding and decoding happens locally in your browser.
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