SVG to Base64 Converter

Convert SVG files and code to Base64 encoded strings. Generate data URIs, CSS backgrounds, and HTML img tags for inline embedding.

Remove comments & extra whitespace
SVG Input498 chars
SVG Preview
SVG

SVG to Base64 Encoder

Convert SVG graphics to Base64 for inline embedding. Generate data URIs, CSS backgrounds, and HTML img tags instantly. Reduce HTTP requests and simplify your assets.

Output Formats

Data URI

For img src or CSS url()

Raw Base64

Just the encoded string

CSS Background

Ready for stylesheets

IMG Tag

Complete HTML element

How this SVG to Base64 Converter works

This encoding tool converts SVG graphics to Base64 data URLs for inline embedding in HTML, CSS, or JavaScript without external file requests. The converter reads SVG content, optionally optimizes it by removing comments and whitespace, then encodes using Base64 standard alphabet.

Four output formats serve different use cases: raw Base64 for API payloads, Data URI for img src attributes, CSS background-image property syntax, and complete HTML img tag markup. The SVG optimizer reduces Base64 output size by stripping non-essential characters without affecting visual rendering.

Live preview displays the SVG graphic while encoding, verifying successful processing before copying output. File upload and paste functionality accept SVG from any source. All encoding runs client-side through JavaScript—graphics never upload to external servers.

How to use this SVG to Base64 Converter

1

Input SVG

Paste SVG code or upload an .svg file from your computer.

2

Choose Format

Select output format: raw Base64, data URI, CSS, or IMG tag.

3

Copy & Use

Copy the encoded output to use directly in your HTML, CSS, or JavaScript.

Example Usage

Converting an SVG to a Data URI:

Input
<svg>...</svg>
Output
data:image/svg+xml;base64,PHN2ZyB4b...

Frequently Asked Questions

Why convert SVG to Base64?
Base64-encoded SVGs can be embedded directly in HTML, CSS, or JavaScript without external file requests. This reduces HTTP requests and simplifies deployment.
What is a Data URI?
A Data URI (data:image/svg+xml;base64,...) is a format that embeds the entire SVG content inline. It can be used in img src, CSS background-image, or anywhere images are accepted.
Does Base64 increase file size?
Yes, Base64 encoding increases size by about 33%. For small SVGs (icons, logos), the benefit of fewer HTTP requests often outweighs this. For large SVGs, external files may be better.
What does the "Optimize" option do?
It removes comments, extra whitespace, and normalizes the SVG before encoding. This reduces the final Base64 size without changing how the SVG looks.
Is my SVG data secure?
Yes. All encoding happens in your browser using JavaScript. Your SVG content never leaves your device or is sent to any server.

Related Tools

The SVG to Base64 Converter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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