Base64 Decode
This base64 decode is an essential tool for developers. Use it to format code, validate data, or transform content. All processing happens locally in your browser - your code never leaves your device.
100% Private — runs in your browserNo uploads, no sign-upFree forever
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How It Works
- Paste the Base64 string you want to decode.
- Click "Process" to decode it.
- View and copy the original text.
- If the result looks like garbage, the original data might have been binary (image/file).
Use Cases
- Reading hidden data in email headers
- Decoding API secrets or tokens during development
- Debugging data URIs
- Reverse engineering encoded messages
Frequently Asked Questions
Can I decode images?
This tool displays the decoded result as text. For images, use our "Base64 to Image" converter.
Is it local?
Yes, decoding happens in your browser.
What character set is used?
We assume UTF-8 encoding. Non-standard characters might look different if encoded in other charsets.
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