Image to Base64 Converter
Encode images to Base64 data URIs or decode Base64 back to images. 100% client-side.
Drop an image here or click to select
PNG, JPG, GIF, SVG, WebP, ICO
Frequently Asked Questions
How do I convert an image to Base64?▼
Drag and drop an image onto the drop zone, or click to select a file. The tool instantly converts it to a Base64 string. You can copy the full data URI or raw Base64. All processing happens in your browser.
What image formats are supported?▼
PNG, JPG/JPEG, GIF, SVG, WebP, ICO, BMP, and TIFF. Basically any image format your browser can display will work.
Why is Base64 larger than the original file?▼
Base64 encoding represents binary data using 64 ASCII characters. This encoding adds ~33% overhead because 3 bytes of binary data become 4 bytes of Base64 text. It's a tradeoff for being able to embed binary data directly in HTML, CSS, or JSON.
When should I use Base64 images?▼
Base64 images are useful for: small icons/logos (under ~10KB) to reduce HTTP requests, embedding in HTML emails, storing in JSON/databases, CSS background images for tiny graphics, and data URIs in SVG. Avoid it for large images — use regular files instead.
Can I decode Base64 back to an image?▼
Yes! Switch to 'Base64 → Image' mode, paste your Base64 string (with or without the data: prefix), and click 'Decode & Preview'. You can then download the reconstructed image.
Is my data safe?▼
Absolutely. This tool runs 100% in your browser using the FileReader API. Your images never leave your device — no data is uploaded to any server.