Base64 Encode Any File Online

Base64 encoding lets you embed any file type as text. Essential for developers working with APIs, emails, and data URIs.

Supported File Types

Our universal encoder handles:

• Images - JPEG, PNG, GIF, WebP, SVG
• Documents - PDF, DOC, DOCX, TXT
• Data - JSON, XML, CSV
• Media - MP3, MP4 (though large)
• Archives - ZIP, RAR
• Fonts - WOFF, TTF, OTF

Common Use Cases

Email embedding - Inline images in HTML emails

API payloads - Send files as JSON data

Data URIs - Embed files directly in HTML/CSS

Database storage - Store files in text columns

Size Considerations

Base64 increases size by ~33%. Plan accordingly:

| Original | Encoded |

|----------|---------|

| 100 KB | ~133 KB |

| 1 MB | ~1.33 MB |

| 10 MB | ~13.3 MB |

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Encode your files to Base64 with our free online tool!