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Image to Base64 Converter

🖼️

Drop an image here

or click to browse your files

Supported formats: PNG, JPG, GIF, WebP, SVG (max 10 MB)

Last updated:

This tool is provided as-is for convenience. Output should be verified before use in any production or critical context.

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Browser workflow

Runs instantly in the browser with private local processing and copy/export-ready output.

Browser Workflow

This tool is optimized for instant in-browser execution with local data handling. Run it here and copy/export the output directly.

/image-to-base64/

For automation planning, fetch the canonical contract at /api/tool/image-to-base64.json.

How to Use Image to Base64 Converter

  1. 1

    Upload image file

    Click 'Choose File' or drag-and-drop an image (PNG, JPG, GIF, WebP, SVG). The tool shows a preview instantly.

  2. 2

    Select Base64 format

    Choose Standard Base64 or data URL format (data:image/png;base64,...). Data URL is ready to embed directly in HTML/CSS.

  3. 3

    View encoded output

    See the full Base64 string in a scrollable text area. The tool shows original and encoded file sizes for comparison.

  4. 4

    Batch convert

    Upload multiple images and convert all at once. Download a JSON file mapping filenames to Base64 strings.

  5. 5

    Copy or embed

    One-click copy to clipboard. Use data URL format in CSS backgrounds, HTML <img> tags, or API payloads to avoid separate file requests.

Frequently Asked Questions

What is Image to Base64 Converter?
Image to Base64 Converter transforms image files (PNG, JPG, GIF, WebP, SVG) into Base64-encoded strings. It provides output in data URI, CSS background, and HTML img tag formats.
How do I use Image to Base64 Converter?
Upload or drag-and-drop an image file into the tool. It instantly generates the Base64-encoded string with ready-to-use code snippets for data URIs, CSS backgrounds, and HTML image tags.
Does Image to Base64 Converter store or send my data?
No. All processing happens entirely in your browser. Your images stay on your device — nothing is sent to any server.
Why would I convert an image to Base64?
Base64-encoded images can be embedded directly in HTML, CSS, or JSON without separate file requests. This is useful for small icons, email templates, and reducing HTTP requests, though it increases file size by about 33%.