Base64 Image Encoder & Decoder
Convert images to Base64 data URIs and back, instantly
A two-way Base64 image tool: upload any PNG, JPEG, WebP or GIF to get the complete data URI with one-click copy and a clear original-vs-encoded size comparison, or paste an existing Base64 string or data URI to instantly preview and download the decoded image. Invalid or non-image input is caught and explained, not crashed on.
- →Encode any image into a full data:image/...;base64,... URI with one click to copy
- →Shows original file size vs Base64 size side-by-side, including the ~33% encoding overhead
- →Decode a data URI or raw base64 string into a live image preview, with a download button
- →Handles PNG, JPEG, WebP, GIF and BMP, and shows a clear error for invalid or non-image input instead of crashing
- →Watermarked by Cikal Studio Labs · Works on any device, no install required
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