πŸ” Base64Codec

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Result will appear here...
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Drag & drop an image here, or click to select

Base64 string will appear here...
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Text Encoding

Instantly encode and decode text to/from Base64 format.

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Image to Base64

Upload an image to get its Base64 string for embedding in HTML/CSS.

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Base64 Image Preview

Paste a Base64 string to instantly preview the corresponding image.

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Auto Detection

Automatically detects whether input is a valid Base64 string.

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100% Private

All processing happens locally in your browser. No data uploaded to any server.

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Completely Free

No registration, no limits. Free to use forever.

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Frequently Asked Questions

What is Base64?
Base64 is a method of encoding binary data into ASCII text. It is commonly used to transmit data in environments that don't support binary, such as embedding images in HTML or sending files in JSON.
Is Base64 encoding encryption?
No. Base64 is just an encoding scheme and provides no security. Anyone can easily decode a Base64 string. Its purpose is data format conversion, not data protection.
Is my data uploaded anywhere?
No. All encoding and decoding happens entirely in your browser. Your data never leaves your device.
What image formats are supported?
All browser-supported image formats are supported, including JPG, PNG, GIF, WebP, SVG, and more.
Does Base64 encoding increase file size?
Yes, Base64 encoding increases data size by approximately 33%. This is because every 3 bytes are encoded as 4 ASCII characters.