Base64 & Image Converter

Convert Image to Base64

Upload image file and automatically generate corresponding Base64 encoding

Select Image File

点击选择或拖拽文件到此处

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Base64 & Image Converter Guide

Tool Introduction

This free online tool converts images to Base64 and Base64 to images. Supports common formats, and all conversions run locally in your browser for privacy.

Usage Steps

Choose direction: Image → Base64 or Base64 → Image
For Image → Base64: upload an image to auto-generate Base64
For Base64 → Image: paste Base64 and preview the image
Copy Base64 or download the converted image

Usage Tips

Base64 is about 33% larger than the original file. Prefer using it for small assets. Keep your data URL complete when possible.

Frequently Asked Questions

Important Notes

All operations are processed locally in the browser
We recommend images up to 10MB for best performance
Ensure Base64 is complete when pasting
Converted image quality is identical to original