Base64 Encoder & Decoder
Encode or decode Base64 online. Paste your text or Base64 string and get instant results.
Base64 Encoder & Decoder
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ℹ️ Sobre Base64:
- Codifica dados binários em texto ASCII
- Aumenta o tamanho em ~33%
- URL-Safe: usa - e _ ao invés de + e /
What is Base64 Encoding?
Base64 encoding is a method to convert binary data into ASCII text format. Our Base64 encoder/decoder lets you convert text or binary data to and from Base64 encoding. Useful for data transfer, embedding images in HTML/CSS, API communication, and more. All processing happens in your browser for complete privacy.
Key Features
- Instant Base64 encoding and decoding
- Works 100% client-side for privacy
- Copy result with one click
- No size limits or sign-up required
- Supports Unicode and binary data
How to Use
- Select 'Encode' to convert text to Base64, or 'Decode' to convert Base64 to text
- Paste your text or Base64 string in the input field
- Click the 'Encode' or 'Decode' button
- Copy the result with one click
Common Use Cases
- Encode images or files for embedding in HTML/CSS
- Decode Base64 from API responses
- Convert text to Base64 for data transfer
- Debug Base64-encoded data
- Learn and teach Base64 encoding