Developer Tools tool
Base64 Encode / Decode
Encode text to Base64 or decode Base64 strings back to plain text instantly.
Encode plain text to Base64 or decode Base64 strings back to readable text instantly. Free, private, browser-based tool.
Why people use this tool
Base64 Encode / Decode is a quick utility for developers who need to convert between plain text and Base64 encoding for APIs, tokens, email headers, or data URIs.
- Encode API keys, tokens, or credentials for HTTP headers and config files.
- Decode Base64 strings from API responses, JWTs, or email headers.
- Convert text for data URI schemes used in web development.
How to use it
- 1Choose Encode or Decode mode.
- 2Paste your text or Base64 string into the input area.
- 3Copy the converted output instantly.
FAQ
Helpful answersWhat is Base64 encoding used for?
Base64 encoding converts binary or text data into a safe ASCII string format, commonly used in APIs, email attachments, data URIs, and authentication headers.
Can Base64 handle special characters and Unicode?
Yes. This tool handles UTF-8 text including special characters, accented letters, and emoji.
Is Base64 encryption?
No. Base64 is encoding, not encryption. It does not protect data — it only changes the representation format.