File to Base64 Online
文件转Base64Data URL编码内嵌
Pick or drag any file to instantly generate its full Data URL and pure base64, with name, type and size shown. One-click copy for embedding and API debugging, fully local.
Click or drag a file here to upload (any format)
All processing is done locally in your browser. No data is uploaded.
How to Use
- Paste any valid JSON, supports nesting, arrays and escapes
- Click Beautify to auto indent and format
- Click Minify to remove whitespace into one line
- All operations run locally for privacy
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FAQ
What is the output format?
A full Data URL (data:type;base64,payload) by default, ready for CSS/HTML embedding or API transport.
Any file size limit?
Limited by browser memory; keep files under tens of MB to avoid slowdowns.
Will my file be uploaded?
No, files are read and converted locally only.