Image to Base64
Images as Text
Converts an image into a Base64 data URI (data:image/png;base64,...) you can paste directly into HTML, CSS, or JSON. No separate image file or request needed — the image travels inside your code.
When It Helps — and Hurts
Great for tiny icons and single-use images: eliminates HTTP requests. Terrible for large photos: Base64 inflates size ~33%, cannot be cached separately, and bloats your HTML. Rule of thumb: under ~2KB, inline it; above that, use a real file.
Privacy
Conversion runs entirely in your browser — your image is never uploaded anywhere.
How to Use the Image to Base64 Converter
This tool encodes an image file into a Base64 data URI, a long text string you can embed directly in HTML, CSS, or JSON without hosting a separate image file.
- Upload your image file from your device.
- The tool encodes it into a Base64 string, shown as a ready-to-use data URI.
- Copy the string and paste it into your code where the image should appear.
Example
Upload a small logo and you receive a string like data:image/png;base64,iVBORw0KGgo... that runs for thousands of characters. Paste the whole string into the src attribute of an img tag and the image displays with no separate file request.
Frequently Asked Questions
Why is the string so long?
Base64 encoding expands data by about 33 percent, so a 30 KB image becomes roughly a 40 KB string. It is a trade-off: bigger text, but zero extra HTTP requests.
When should I avoid embedding images this way?
Skip it for large photos. Big Base64 strings bloat your HTML, slow page parsing, and cannot be cached separately. It shines for tiny icons and logos under a few kilobytes.
Does this work in CSS too?
Yes. Use the data URI as a background-image value and the graphic renders straight from the stylesheet, which is handy for small repeating textures and icons.