FREE IMAGE CONVERTER

Image to Base64 Converter

Convert any image to Base64 string instantly. Support for PNG, JPG, GIF, WebP, SVG and more. Free, secure, and works offline with drag-drop functionality.

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Convert Your Image to Base64

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Why Choose Our Image to Base64 Converter?

Universal Format Support

Convert PNG, JPG, JPEG, GIF, WebP, SVG, BMP, and TIFF images to Base64 with perfect quality preservation.

Real-time Preview

See your image preview instantly with file details including dimensions, size, and format information.

Multiple Output Options

Get Base64 string, data URI, or download as text file. Perfect for HTML, CSS, and JavaScript projects.

Perfect for Web Developers & Designers

Embed Images in CSS

Use Base64 images as background images in CSS to reduce HTTP requests and improve page load speed.

background-image: url(data:image/png;base64,...)

HTML Image Embedding

Embed images directly in HTML without external file dependencies.

<img src="data:image/png;base64,..." />

Email Templates

Include images in email templates without hosting them separately.

API Responses

Send images as Base64 strings in JSON API responses for seamless data transfer.

Frequently Asked Questions

What is an Image to Base64 converter?

An Image to Base64 converter is a tool that transforms image files into Base64 encoded strings. Base64 encoding converts binary image data into a text format using only ASCII characters (A-Z, a-z, 0-9, +, /). This allows images to be embedded directly in HTML, CSS, or transmitted as text in APIs and email templates without requiring separate image files.

Which image formats are supported by this converter?

Our converter supports all major image formats including PNG, JPG/JPEG, GIF, WebP, SVG, BMP, and TIFF. The tool automatically detects the image format and generates the appropriate Base64 string with the correct MIME type for use in data URIs.

Is it safe to convert images to Base64 online?

Yes, our Image to Base64 converter is completely safe and private. All image processing happens entirely in your browser using JavaScript - no images are uploaded to our servers. Your files never leave your device, ensuring complete privacy and security. The tool works offline once the page is loaded.

What is the maximum file size I can convert?

You can convert images up to 10MB in size. However, for optimal performance and faster processing, we recommend using images under 5MB. Keep in mind that Base64 encoding increases the file size by approximately 33%, so a 1MB image will result in about 1.33MB of Base64 text.

How do I use Base64 images in HTML?

To use Base64 images in HTML, use the data URI format: <img src="data:image/png;base64,YOUR_BASE64_STRING" alt="Description" />. Replace 'png' with your actual image format and YOUR_BASE64_STRING with the generated Base64 code. This embeds the image directly in your HTML without requiring external files.

How do I use Base64 images in CSS?

In CSS, you can use Base64 images as background images: background-image: url('data:image/png;base64,YOUR_BASE64_STRING'); or background: url('data:image/png;base64,YOUR_BASE64_STRING') no-repeat center; This is useful for small icons, logos, or decorative elements that you want to embed directly in your stylesheet.

What's the difference between Base64 string and Data URI?

A Base64 string is just the encoded image data, while a Data URI is the complete format ready for use in HTML/CSS. Data URI includes the MIME type and encoding information: 'data:image/png;base64,BASE64_STRING'. Use the Base64 string when you need just the encoded data, and use the Data URI when you want to embed directly in web pages.

Why would I want to convert images to Base64?

Converting images to Base64 is useful for: 1) Reducing HTTP requests by embedding small images directly in HTML/CSS, 2) Including images in email templates, 3) Sending images through APIs as JSON data, 4) Creating self-contained HTML files, 5) Avoiding external file dependencies, and 6) Improving page load speed for small images.

Does Base64 encoding affect image quality?

No, Base64 encoding does not affect image quality at all. It's a lossless encoding method that converts binary data to text format. The decoded image will be identical to the original. However, Base64 encoding does increase the file size by approximately 33% compared to the original binary image.

Can I convert multiple images at once?

Currently, our tool processes one image at a time to ensure optimal performance and user experience. This allows for better error handling, preview functionality, and prevents browser memory issues with large files. For batch processing, you can use the tool multiple times or consider using our API for automated workflows.

How do I download the Base64 result?

After converting your image, you can either copy the Base64 string/Data URI to your clipboard using the copy button, or download it as a text file using the download buttons. We provide separate download options for the Base64 string and the complete Data URI format.

Is there a limit to how many images I can convert?

No, there are no limits on the number of images you can convert. Since all processing happens in your browser, you can convert as many images as you need. The tool is completely free and doesn't require registration or account creation.

Can I use this tool on mobile devices?

Yes, our Image to Base64 converter is fully responsive and works on all devices including smartphones and tablets. The drag-and-drop functionality adapts to touch interfaces, and you can easily select images from your device's photo gallery or camera.

What happens if my image is too large?

If your image exceeds the 10MB limit, you'll see an error message. For large images, consider resizing them first using an image editor or our image resizer tool. Remember that very large Base64 strings can cause performance issues in browsers and may not be suitable for web use.

Can I convert SVG images to Base64?

Yes, SVG images are fully supported. However, for SVG files, you might also consider using them directly in HTML since SVG is already a text-based format. Base64 encoding SVG is useful when you need to embed them in CSS or send them through APIs that require text-only data.