RHD Studio ToolsFree Online Image to Base64 Converter
Encode an image as a Base64 string or data URL to embed it directly in HTML, CSS or JSON.
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Privacy: your files are processed in your browser and are not uploaded or stored by us. Third-party ads or analytics, if shown, may still make their own requests.
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How to use the image to base64 converter
- Drop your file onto the upload area or click to browse.
- Adjust the options if you need to.
- Run the tool and download the result. The page lists the new file size.
Good to know
Base64 is about 33% larger than the file. Very large images make unwieldy strings; this tool accepts files up to 10 MB.
Common uses
- Prepare photos for email, forms and uploads.
- Meet website or marketplace image requirements.
- Keep a copy in a format other software can open.
Frequently asked questions
Are my files uploaded to a server?
No. This tool runs in your browser and your file is not sent to our server or stored. Ads or analytics, when enabled, may make their own network requests; see our Privacy Policy.
What are the limits of the image to base64 converter?
Base64 is about 33% larger than the file. Very large images make unwieldy strings; this tool accepts files up to 10 MB.
Is the image to base64 converter free?
Yes. It is free, needs no account and has no watermark.