What this tool does
Quickly encode text to Base64 or decode Base64 strings back into readable content in the browser.
Encode text to Base64 or decode Base64 to text instantly.
Quickly encode text to Base64 or decode Base64 strings back into readable content in the browser.
Paste plain text to encode it as Base64, or paste a Base64 string to decode it back into readable content directly in the browser.
Inspect encoded auth headers or payload fragments. Prepare plain text for APIs or automation steps that expect Base64. Decode copied strings from logs, dashboards, or CLI output.
Inspect encoded auth headers or payload fragments.
Prepare plain text for APIs or automation steps that expect Base64.
Decode copied strings from logs, dashboards, or CLI output.
api-key:demo-secret
YXBpLWtleTpkZW1vLXNlY3JldA==
Yes. The encoder and decoder handle browser-safe Unicode conversion so common UTF-8 text works correctly.
Base64 is encoding, not encryption. It is useful for transport formatting, but it does not protect sensitive data.
Yes. Base64 works in the browser so you can enter data, review the result, and copy the output without needing a separate desktop app.
Found a bug, hit a confusing edge case, or want another tool? Send quick feedback about Base64.