Base64 Encoder/Decoder - Free Online Tool

Encode and decode Base64 strings. Free online base64 encoder/decoder with no sign-up required. 100% browser-based, secure, and instant results.

How to Use Base64 Encoder/Decoder

1. Open the tool and enter your data or upload your file
2. Click the action button to process your data
3. Copy, download, or share your results instantly

Features

• 100% free with no usage limits
• No sign-up or registration required
• All processing happens in your browser
• Your data never leaves your device
• Works on desktop, tablet, and mobile

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