Developer utilities
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
Paste text or Base64 and toggle the direction. Unicode-safe encoding using TextEncoder.
Input
Output
SGVsbG8gTmlkYQ==
How to use it
- 1Paste input.
- 2Choose encode or decode.
- 3Copy result.
Real use cases
- Data URIs.
- Basic auth headers.
- JWT payload inspection.
Frequently asked
Is Base64 secure?
No. Base64 is an encoding, not encryption. Anyone can decode it. Never use it to hide secrets.
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