Base64 File Converter

Convert files to Base64 encoded strings, or download Base64 strings as files.

File Upload

Select file to convert to Base64

Drag & Drop file here

Or click to select file

Usage Tip

Large files may take longer. Recommended size < 10MB.

Base64 Result

Result shown after upload

Upload file to see Base64

User Guide

Features

  • • Supports all file types
  • • Shows conversion progress
  • • One-click copy Base64
  • • Download as text file
  • • Shows detailed file info

Common Use Cases

  • Image Embedding: Embed images in HTML/CSS
  • Data Transfer: Transfer files via text protocols
  • Config Files: Include files in JSON/YAML
  • API Requests: Send binary data
  • Storage: Store files in text databases

Code Examples

HTML Image Embedding:

<img src="data:image/png;base64,undefined..." />

CSS Background Image:

background: url(data:image/png;base64,undefined...);