What is Base64 encoding?

Base64 is a way to represent binary data (like images) as ASCII text. It is commonly used to embed images directly into HTML or CSS files.

Is my image uploaded to a server?

No. This tool processes your images entirely in your browser using JavaScript. No data is ever sent to our servers.

Does Base64 increase file size?

Yes, Base64 encoding typically increases the file size by about 33%. It is best used for small icons or logos to reduce HTTP requests.

Base64 Converter

Encode Images into Data URI strings.

Source Image

Drag & Drop Image

PNG, JPG, SVG, GIF, WEBP

Browse Files

Base64 Output

Performance & Privacy

This Base64 Image Encoder/Decoder runs entirely in your browser. Unlike other online tools, we do not upload your images to any server. This ensures 100% privacy and lightning-fast performance, even for large files.

Convert Image to Base64: Drag and drop any PNG, JPG, or GIF to get an instant Data URI string for use in HTML or CSS.
Convert Base64 to Image: Paste a raw base64 string to visualize and download the original file.
Zero Latency: Immediate feedback using optimized client-side FileReaders.

How To Convert Images

Select Mode

Toggle between Encode (Image to Text) and Decode (Text to Image).

Upload or Paste

Drag your image onto the canvas, or paste your Base64 string into the text box.

Copy or Download

Get your result instantly. Click 'Copy' to use the code, or 'Download' to save the image.

Frequently Asked Questions

Why use Base64 for images?

Base64 allows you to embed images directly into HTML or CSS, reducing the number of HTTP requests your website makes. This is great for small icons, logos, or placeholders.

Is it secure?

Yes! This tool works 100% in your browser ("client-side"). Your images are never uploaded to any server, so your data remains completely private.

What formats are supported?

We support all major web image formats including PNG, JPG, GIF, SVG, and WEBP.