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Image to Base64 Converter

Convert images to Base64 encoding for embedding in HTML/CSS.

Upload Image

Drag and drop an image here, or click to select

How to use image to base64 converter

Access the tool

Open the image to base64 converter in your browser.

Input your data

Enter or upload the content you want to process.

Get results

View and use the processed results instantly.

What our customers say about Image to Base64 Converter

Instant conversion and easy copy—love it.

Emily Carter

Great for embedding icons into CSS.

Rafael Costa

Privacy‑friendly and super fast.

Leila Rahman

Does exactly what I need for docs.

Tomáš Dvořák

Data URLs work perfectly in my prototypes.

Nora Ahmed

Clean UI and reliable output size estimates.

George Petrov

What makes this tool special?

Multiple Formats

Convert JPG, PNG, WebP and more to Base64.

Quality Controls

Adjust output quality for JPEG/WebP sources.

Preview & Size

See output length and estimated size instantly.

Copy & Download

Copy the Base64 string or download as a .txt file.

Data URL Support

Generate data:image/*;base64 URLs for quick embeds.

Local Processing

Runs entirely in your browser—no uploads.

Perfect for these situations

Email Embeds

Embed small images directly without external hosting.

Inline CSS/HTML

Use data URLs for icons, backgrounds, and badges.

Prototyping

Share self‑contained demos without asset folders.

Documentation

Include screenshots in markdown as Base64.

CI/CD Pipelines

Inject small assets into config files programmatically.

Mobile Apps

Bundle tiny assets as strings for quick rendering.

Frequently Asked Questions

Is this image to base64 converter free to use?+
Yes, our image to base64 converter is completely free to use with no restrictions.
Do I need to create an account?+
No account required. You can use the image to base64 converter immediately.
Is Base64 larger than the original file?+
Yes. Base64 adds roughly 33% overhead compared to the original binary image size.
When should I use Data URLs?+
Use them for small assets (icons, badges) to reduce HTTP requests. For larger images, prefer normal image files.
Can I control MIME type in the output?+
Yes. The tool prefixes the Base64 content with the appropriate data:image/* MIME based on the input format.
Is my image uploaded anywhere?+
No. Conversion happens entirely in your browser; files never leave your device.

Convert images to Base64 encoding for embedding in HTML/CSS.