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Image to Base64

Convert images to Base64 online and generate Data URL, raw Base64, HTML img tag, CSS background or JSON output.

Image to Base64 Online

Convert images into Base64 Data URL, raw Base64, HTML image tag, CSS background code or JSON output.

Base64 Encoder
Base64 usually increases file size by about 33%. It is best for small icons, logos and embedded assets, not very large photos.

Select Images

Drop images here Supports JPG, PNG, WebP, GIF and SVG. You can encode multiple images.

Output Settings

Used for CSS output.
Used for HTML and Markdown output.
0 Images
0 KB Input Size
0 KB Base64 Size
0% Size Increase
0 Characters

Image Preview

No images yet
Add images first Upload images and click Convert to Base64.

Base64 Output

Conversion Report

About This Tool

Image to Base64 is a free online image encoder that converts image files into Base64 text directly in your browser.

You can upload JPG, PNG, WebP, GIF or SVG images and generate different output formats such as Base64 Data URL, raw Base64, HTML image tag, CSS background image, Markdown image or JSON list. The tool supports multiple images, preview, copy output, download text output and download ZIP files.

This tool is useful for developers, website owners, designers, bloggers and anyone who needs to embed small images, icons, logos or graphics directly inside HTML, CSS, JSON or other code without linking to an external image file.

How to Use Image to Base64

1. Upload or drag and drop JPG, PNG, WebP, GIF or SVG images.
2. Choose the output type such as Data URL, raw Base64, HTML img tag, CSS background, Markdown or JSON.
3. Choose whether to wrap long Base64 lines.
4. Click Convert to Base64.
5. Copy the output or download it as a text file.
6. You can also download a ZIP containing Base64 text files for each image.

Privacy Note: This Image to Base64 tool runs directly in your browser using JavaScript. Your images are processed on the page and are not submitted through a form by this tool.

Frequently Asked Questions

Is this Image to Base64 tool free?

Yes. This Image to Base64 tool is free to use and does not require signup.

Which image formats are supported?

The tool supports JPG, PNG, WebP, GIF and SVG image files.

What output formats can I generate?

You can generate a Data URL, raw Base64 text, HTML img tag, CSS background image code, Markdown image syntax or JSON output.

Can I convert multiple images at once?

Yes. You can upload multiple images and convert them together. You can also download a ZIP file containing Base64 text outputs.

Does Base64 reduce image size?

No. Base64 usually increases file size by about 33%. It is best for small icons, logos and embedded assets, not large photos.

Does this tool upload my images to the server?

No. The image encoding runs directly in your browser using JavaScript and the page does not submit your images through a form.