developer tools
Base64 Encoder & Decoder
Convert plain text, code, or binary data into standard Base64 representation, or decode Base64 strings back to readable UTF-8 text.
Processed locally in browser memory.
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How to Use Base64 Encoder & Decoder
1
Select Mode
Choose Encode to Base64 or Decode from Base64.
2
Enter Input
Type or paste your input into the text field.
3
Get Result
Copy the encoded or decoded output with one click.
About Base64 Encoder & Decoder
Base64 represents binary data in an ASCII string format by translating 24 bits of input into four 6-bit Base64 digits from the radix-64 alphabet.
Supported Formats
TextBase64
Key Features
- Supports full UTF-8 international characters and emojis
- Data URL prefix generation (e.g. data:image/png;base64,...)
- Instant copy and download actions
Frequently Asked Questions
No. Base64 is an encoding scheme, not encryption. Anyone can decode a Base64 string without a password.
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