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    Base64 Encoder/Decoder
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    Base64 File Converter
    Image Base64 Encode/Decode
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Image Base64 Encode/Decode

画像とBase64を双方向に変換します。Base64→画像でデコード・ダウンロード、画像→Base64でエンコード・コピーができます。

Base64 string

Enter a Base64 string and run decode & download.

How to use

About this tool

Converts between images and Base64 strings: decode/download from Base64, encode/copy from image. Supports PNG, JPEG, GIF, WebP.

How to use

Choose direction, paste Base64 or select an image file. Copy or download the result.

Use cases

• Embedding images as Data URLs • Image in API payload • Saving images received as Base64 • E2E test image fixtures

Privacy and data

Conversion is in-browser; images and Base64 are never sent to a server.