Base64 Encoder / Decoder

Free online Base64 encoder and decoder. Encode text or files to Base64, decode Base64 back to text or files. URL-safe option. 100% client-side.

How to use the Base64 Encoder / Decoder

1. Open the Base64 Encoder / Decoder — it loads instantly in your browser, with no sign-up or install.
2. Enter your input by typing, pasting or uploading as the tool requires; results update automatically.
3. Copy or download the result. Nothing you enter leaves your device.

Frequently asked questions

Is the Base64 Encoder / Decoder free?

Yes. The Base64 Encoder / Decoder on UtilitySuite is completely free, with no account, sign-up or payment required.

Do I need to create an account?

No. Every UtilitySuite tool and game works instantly with no login or registration.

Does my data stay private?

Yes. The Base64 Encoder / Decoder runs entirely in your browser — the text, numbers or files you enter are never uploaded to a server.

Can it encode files as well as text?

Yes. You can Base64-encode or decode both plain text and files, with an optional URL-safe alphabet.

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