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Base64 Encoder / Decoder

Encode and decode Base64 with multiple format variants — all client-side, nothing leaves your browser

Direction

Variant

Standard URL-safe No Padding MIME / Wrapped

Live

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Drop a file here or click to browse

File contents will be loaded into the input panel

Plain Text 0 chars

or drop file above

Base64 0 chars

Input Bytes

Output Bytes

—

Size Ratio

Output Lines