Image to Base64
Convert images to Base64 encoded strings. Get data URIs, CSS backgrounds, and HTML img tags ready to use.
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Drop your image here
Supports PNG, JPEG, WebP, SVG, GIF — up to 10 MB
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Frequently Asked Questions
What is Base64 encoding for images?▾
Base64 is a way to represent binary data (like images) as ASCII text. This lets you embed images directly in HTML, CSS, or JSON without needing a separate image file.
When should I use Base64 images?▾
Base64 is great for small icons, logos, and thumbnails that you want to inline in HTML or CSS. It eliminates an extra HTTP request. Avoid it for large images as it increases file size by ~33%.
Is my image uploaded to a server?▾
No. The conversion happens entirely in your browser using the FileReader API. Your image never leaves your device.
What output formats are available?▾
You get the raw Base64 string, a data URI (for img src), a CSS background-image snippet, and an HTML img tag — all ready to copy and use.