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Utilnivo

Image

Utilnivo

Image to Base64 Converter

Convert an image file to Base64 or a data URL.

No registration
  • Basic conversion
  • Stays on your device

Browse more in Image or all tools.

Private on your device

Your information stays on your device and is not uploaded.

Upload a JPG, PNG, WebP, GIF, or SVG and convert it to Base64 and a data URL on your device. Copy either output for use in CSS, HTML, or APIs. Files are not uploaded or stored.

How to use this tool

1. Choose an image or drag it onto the upload area. 2. Review the generated Base64 string or data URL in the output panel. 3. Choose whether to include the data URL prefix if that option is shown. 4. Click Copy to clipboard. 5. Paste into HTML, CSS, or API payloads as needed. Processing runs on your device.

Worked example

Example: upload a small PNG icon and copy the data:image/png;base64,... string for an inline email or test fixture.

How it works

Upload an image and the tool converts its bytes to Base64 and a data URL on your device. Supported formats are JPG, PNG, WebP, GIF, and SVG. Files are not uploaded or stored.

Limitations

Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.

Privacy and file handling

Your data stays on your device and is not uploaded.

FAQ

Frequently asked questions

Which image formats are supported?

JPG, PNG, WebP, GIF, and SVG. The tool encodes the file bytes on your device.

What is the difference between Base64 and a data URL?

Base64 is the encoded payload only. A data URL includes the MIME type prefix, such as data:image/png;base64,…

Is my image uploaded?

No. Everything stays on your device.

Part of these workflows

This tool is one step in a longer job. Jump straight to your step or open the full workflow guide.

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