What is Base64 encoding?
Base64 represents binary or text data using a limited set of ASCII characters. It is an encoding format, not encryption.
Base64 Encoder & Decoder
Encode plain text or UTF-8 strings to Base64 or decode Base64 data with instant client-side privacy.
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What can the Base64 Encoder & Decoder do?
Encode UTF-8 text into Base64 or decode Base64 back into readable text. Processing happens instantly in the browser for quick developer, API, and troubleshooting tasks.
- UTF-8 Base64 encoding
- Base64 decoding with clear errors
- Private client-side processing
How to use the Base64 Encoder & Decoder
- 1
Choose Encode or Decode mode.
- 2
Paste the source text or Base64 value.
- 3
Copy the converted output.
Frequently Asked Questions
Can this encode Unicode and UTF-8 text?
Yes. ToolZappy handles UTF-8 text, including accented characters and many non-Latin writing systems.
Is my Base64 data uploaded?
No. Encoding and decoding run locally in your browser.