Base64 Decoder
Decode Base64 (standard or URL-safe) back to text.
How it works
- 1Paste the Base64.
- 2It is decoded as you type.
- 3Copy the text.
Features
- Standard and URL-safe Base64, with or without padding.
- Line breaks and spaces in the input are ignored.
- Tells you when the data is binary rather than text.
- Private: runs in your browser.
Frequently asked questions
Why does it say the data is not UTF-8 text?
The Base64 encodes a binary file (like an image), not text.
Can it decode JWTs?
Use the JWT Decoder, which also shows the claims and expiry.
Is my data sent anywhere?
No. Everything runs in your browser; nothing is uploaded.
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