How to Decode Base64 Online — Base64 Decoder Free

Last updated: July 2026 • 5 min read

Decode Base64-encoded strings back to their original content. Whether you're debugging APIs, reading encoded data, or reversing encoding, Base64 decoding is quick and simple.

Key Features: Decode any Base64 • Preserve formatting • Copy result • 100% private • No registration required

How to decode Base64

Step 1: Open the Base64 Decoder

Go to the Password & QR page and click on the "Base64 Codec" tab.

Step 2: Paste Base64 string

Paste the Base64-encoded string.

Step 3: Decode

Click "Decode" to convert back to original text.

Frequently asked questions

What can I decode from Base64?

Any Base64-encoded string back to original text or data.

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