Base64 Decode
Decode Base64 strings back to readable text instantly.
This tool runs entirely in your browser. Your files are never uploaded to a server.
Paste a Base64-encoded string and instantly see the decoded, readable text. The whole conversion happens locally in your browser — nothing is ever uploaded to a server, keeping your data private. Handy for inspecting API tokens, config values, and encoded data URIs.
Frequently Asked Questions
- What does this Base64 decoder do?
- It takes a Base64-encoded string and converts it back into its original, human-readable text or data.
- How do I use it?
- Paste your Base64 string into the input box and the decoded text appears instantly — copy it and use it as needed.
- Is it safe to decode sensitive data here?
- Yes, decoding happens entirely client-side in your browser. Nothing is sent to a server, and the tool is completely free with no limits.