Base64 Encoder / Decoder
Encode text or files to Base64 string and decode Base64 back to original text or binary.
Pro Tip: Text analysis and formatting occur offline with maximum data security.
How It Works
Convert text strings or file contents to Base64 encoding for use in data URIs, email attachments, or API payloads. Decode Base64 strings back to plain text.
01
Enter text or data
Type or paste plain text, or enter a Base64-encoded string.
02
Encode or decode
Choose Encode to create Base64, or Decode to view the original text.
03
Copy result
Copy the converted output to your clipboard with one click.
Key Features & Capabilities
Text to Base64 encoding
Base64 to text decoding
File to Base64 data URI
URL-safe Base64 mode
One-click copy
Frequently Asked Questions
Base64 is used to encode binary data as text for embedding images in CSS/HTML, email attachments, and API tokens.
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Your files are processed locally in your browser. No data is uploaded to any server.