CSS or HTML image
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A data:image/png;base64,… URL
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Convert a JPG, PNG, or WebP image into Base64 text locally.
Quick answer
Upload a JPG, PNG, or WebP image up to 25 MB and convert its bytes into Base64 directly in the browser.
Base64 image
Upload an image to create Base64 output.
Illustrative view
Local image bytes become portable Base64 text.
Upload a JPG, PNG, or WebP image up to 25 MB and convert its bytes into Base64 directly in the browser. The tool provides both a complete data URL and the raw Base64 payload.
Base64 is usually about one-third larger than the original binary file. Data URLs are useful for small embedded assets, but normal image files are generally better for large website images and browser caching.
Upload icon.png
A data:image/png;base64,… URL
Copy raw Base64
Image bytes without the data URL prefix
No. File reading, previewing, and encoding happen locally in your browser.
JPG/JPEG, PNG, and WebP files up to 25 MB are supported.
Base64 represents every three binary bytes with four text characters, adding roughly 33 percent overhead before the data URL prefix.
No. This tool runs locally in your browser, so the values or files you provide are not sent to a ToolStack server.
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