Image to Base64

🖼️ Instantly convert any image to a Base64 string for easy embedding. Perfect for HTML & CSS and API payloads.

✅ 100% Free🔓 No Login Required⚡ Instant Online Tool

Client-Side Only

All Image Formats

100% Private

Upload Image

Click to select an image

PNG, JPG, GIF, WebP, SVG, BMP…

Select Image

Base64 Output

0 characters

🔧 How It Works

Simple, fast, and private image-to-Base64 conversion in just a few steps

Upload Your Image

Click "Select Image" and choose any image file from your device

Instant Conversion

The tool instantly converts your image to a Base64 encoded string in your browser

Copy or Download

Copy the Base64 string to your clipboard or download it as a text file — ready to embed!

Frequently Asked Questions

Everything you need to know about the Image to Base64 tool

Do I need to sign up or log in to use this tool?

No. All QuickTextTools are completely free to use online with no login, signup, or account required.

What image formats are supported?

The tool supports all common image formats including PNG, JPG/JPEG, GIF, WebP, SVG, BMP, and ICO. Any format your browser can read will work.

Is my image uploaded to a server?

No. The entire conversion happens locally in your browser using the FileReader API. Your image is never sent to any server, making this tool completely private and secure.

What is Base64 encoding used for?

Base64 encoding is commonly used to embed images directly in HTML, CSS (as data URIs), or JSON payloads — eliminating the need for a separate image file or HTTP request.

Is there a file size limit?

There is no hard limit imposed by this tool. However, very large images will produce very long Base64 strings. For best results, consider compressing your image before converting.

Can I use the Base64 output directly in CSS or HTML?

Yes. The output includes the full data URI prefix (e.g. data:image/png;base64,...) so you can paste it directly into a CSS background-image property or an HTML <img> src attribute.