Base64 Encoder / Decoder
Encode and decode Base64 for text and files, with full Unicode support.
Overview
About the Base64 Encoder / Decoder
Convert text and files to and from Base64 instantly. Encode binary or Unicode text for safe transport in URLs, JSON or data URIs, then decode it back whenever you need — entirely within your browser.
Benefits
How it works
- 1Choose Encode or Decode.
- 2Paste your text, or select a file to convert to a Base64 data string.
- 3The result is produced instantly with full UTF-8 support.
- 4Copy the output or download it as needed.
Applications
Use cases
- Embed images and fonts directly in CSS or HTML as data URIs.
- Encode credentials for HTTP Basic Authorization headers.
- Transport binary data safely inside JSON or XML.
- Inspect and decode JWT segments and API payloads.
Support
Frequently asked questions
Does Base64 encrypt my data?
Does it handle Unicode and emoji?
Can I encode files?
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