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Image to Base64

Convert image to Base64 online, generate a data URI, and copy the encoded string without uploading files.

⌘ Runs in browser ◴ No data stored ⌁ Free

Concept

Use image-to-Base64 conversion when you need inline assets

Image to Base64 conversion turns a file into a data URI so it can be embedded in HTML, CSS, email HTML, JSON fixtures, and API test payloads without separate hosting.

The tool encodes image data in-browser and outputs a Base64 data URI, which is useful for quick testing and self-contained examples.

It works well for small icons, email snippets, and mock JSON/API payloads where external file requests should be avoided.

Typical use cases

Inline images for small UI icons, email templates, markdown docs, and API test payloads are common search intents for this converter.

What to check first

Review the MIME type in the data URI (for example, image/png) and compare encoded size with the source file.

Performance considerations

Base64 payloads are often longer than the original file, which can hurt cache efficiency, bundle size, and runtime performance.

Prefer linked assets for large or frequently changing images; use Base64 mostly for compact assets and temporary test data.

Image input
Base64 result
Image info will appear here.

How to use

  1. 1 Drag an image in or click to upload it.
  2. 2 Check the preview and file details, then review the image to Base64 output.
  3. 3 Copy the converted string into HTML, CSS, JSON, or another target.

Common use cases

  • Image to Base64 data URI generation
  • Small icon inline embedding
  • Base64 string copying for online use

Frequently asked questions

How do I provide an image?

Select an image file or drag and drop it to generate a Base64 data URL with a preview.

Can I copy the generated image Base64 result?

Yes. You can copy the Base64 data URL from the output box to your clipboard.

What should I know when converting large images?

Base64 strings can be larger than the original file, so check the size before embedding large images in pages or code.

Related workflow

Image to Base64Convert the image into a Base64 string that can be placed in HTML, CSS, or JSON. → Base64 to ImageBefore embedding it inline, reopen it as an image to check the conversion result. → Favicon GeneratorIf the same source should also serve as a site icon, generate favicons from it.