Image to Base64
Convert image files to Base64 data URLs.
Select an image
Use cases
Data URI previews
Convert a small image into Base64 for quick HTML, CSS, JSON, or email template tests.
API payload experiments
Prepare image strings for APIs that accept Base64 uploads during debugging.
Inline asset checks
Test whether a tiny icon or placeholder can be embedded directly without hosting a file.
Examples
Frequently Asked Questions
Can Base64 be large?+
Yes. Base64 strings are usually larger than the original binary file.
Is the image uploaded?+
No. Conversion runs locally.
Related Tools
API preview
Endpoint
POST
/api/tools/image-base64Request
{
"input": "hello world",
"options": {}
}Response
{
"result": "processed output",
"tool": "image_base64"
}