Base64 Image Encoder
Convert images to Base64 data URLs and back again.
Encode: image → Base64
Drop a file here
or choose a file — it never leaves your device
Decode: Base64 → image
Paste base64 image data to preview it here.
About the Base64 Image Encoder
Encode any image file into a Base64 data URL for embedding in CSS or HTML, or decode a Base64 string back into a viewable image. Fully client-side using the FileReader API.
Examples
Encode PNG
icon.pngOutput
data:image/png;base64,iVBORw0K...Related tools
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Frequently asked questions
Read more
- Base64 encoding explained: when to use it, when not to
Base64 turns binary into text-safe ASCII, but it isn't compression or encryption. Here's what it actually does and where it fits.
- Choosing image formats: WebP vs AVIF vs PNG vs JPEG
A practical decision guide for picking the right image format based on content type, browser support and file size.
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser