About the Base64 Tools
Encode text to Base64 or decode Base64 back to plain text with proper UTF-8 handling. This free online Base64 tool is perfect for developers working with data URIs, tokens, or APIs — fast, private, and ad-free.
Why this tool is useful
- Encode data for URLs, data URIs, and JSON web tokens.
- Decode Base64 payloads when debugging APIs.
- UTF-8 safe, so emojis and accents decode correctly.
How it works (client-side)
- Paste your text or Base64 string into the input.
- Click Encode or Decode.
- The browser's native btoa/atob handles conversion locally.
Frequently asked questions
Is Base64 encryption?
No. Base64 is an encoding, not encryption — it's reversible by anyone. Don't use it to protect secrets.
Does it support UTF-8?
Yes. The tool encodes and decodes UTF-8 correctly, including emojis and non-Latin characters.
Is my data uploaded?
No. Encoding and decoding happen entirely in your browser.